Do you need to know, when is the best time to go to New Jersey? Then you should take a look here, what weather you can expect there during the year.
New Jersey is part of USA - United States of America. The climate of USA is very varied, as United States of America is a large country. The climate is mostly temperate, but tropical in Hawaii and Florida, and arctic in Alaska. This is not all. The climate is semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest. You can expect low winter temperatures in the northwest, but they are sometimes moderated in January and February by warm winds. Winters in the south are warmer. Don? forget, that temperatures are usually significantly lower in mountains.
When speaking about the usual weather in this area, the information is relevant for example for these popular places: Allamuchy, Allenhurst, Allentown, Asbury Park, Atlantic City, Atlantic County, Avalon, Avon by the Sea, Basking Ridge, Bayonne, Beach Haven, Belle Mead, Belmar, Bergen County, Bernardsville, Blairstown, Boonton, Bordentown, Bradley Beach, Brick Township, Bridgewater, Burlington, Burlington County, Camden, Camden County, Cape May, Cape May County, Carneys Point, Cherry Hill, Chester, Cinnaminson, Clark, Clifton, Clinton, Collingswood, Colts Neck, Cranford, Cumberland County, Deal, Delaware River Region, Delaware Township, Dorothy, Dover, East Brunswick, East Hanover, East Orange, East Rutherford, Edison, Egg Harbor City, Elizabeth, Englewood, Englishtown, Essex County, Ewing, Fair Haven, Fair Lawn, Fairfield, Fanwood, Far Hills, Flemington, Florence, Fort Lee, Freehold, Frenchtown, Garfield, Gateway, Gibbstown, Glen Rock, Gloucester County, Great Swamp National Wildlife Refuge, Hackensack, Hackettstown, Haddonfield, Hammonton, Harrison, Haworth, Hazlet, Highland Park, Highlands, Hightstown, Hoboken, Hope, Hudson County, Hunterdon County, Jackson Township, Jersey City, Jersey Shore, Keansburg, Kenilworth, Lake Hopatcong, Lakewood, Lambertville, Lebanon, Lincoln Park, Linden, Lindenwold, Long Beach Island, Long Branch, Long Hill, Lyndhurst, Manalapan, Manasquan, Manville, Maplewood, Mays Landing, Medford, Mercer County, Metuchen, Middlesex County, Middletown, Monmouth County, Montague, Montclair, Montgomery Township, Montville, Morris County, Morristown, Mount Olive, Netcong, New Brunswick, New Providence, Newark, North Brunswick, Nutley, Ocean City, Ocean County, Ocean Grove, Old Bridge, Ortley Beach, Paramus, Park Ridge, Parsippany, Passaic, Passaic County, Paterson, Penns Grove, Pennsauken, Pennsville, Perth Amboy, Phillipsburg, Pine Barrens, Plainfield, Pleasantville, Point Pleasant, Point Pleasant Beach, Princeton, Ramsey, Randolph, Raritan, Red Bank, Ridgewood, River Edge, River Vale, Riverside, Robbinsville, Rockaway, Rumson, Runnemede, Rutherford, Salem County, Scotch Plains, Sea Isle City, Seaside Heights, Secaucus, Short Hills, Skylands, Somerdale, Somers Point, Somerset, Somerset County, Somerville, South Orange, Southern Shore, Spring Lake, Stanhope, Stockton, Stone Harbor, Succasunna, Summit, Sussex County, Swedesboro, Teaneck, Titusville, Toms River, Trenton, Union, Union City, Union County, Ventnor City, Vernon, Vineland, Warren County, Washington, Wayne, Weehawken, West Orange, West Windsor, Westfield, Westwood, Wildwood, Williamstown, Woodbridge, Woodbury, Woodstown, Wyckoff.
Let's look now what weather you can expect in the area around Atlantic City and in many other cities. The warmest month here is July, the average maximum temperature is 27.3 ℃ (81.14 ℉). The average minimum temperature in this month is 21.3 ℃ (70.34 ℉). The coldest month here is January, the average maximum temperature is 5.5 ℃ (41.9 ℉). The average minimum temperature in this month is -1.4 ℃ (29.48 ℉). The most rainy month here is April, the average number of rainy days is 10.7. The least rainy month here is October, the average number of rainy days is 7.5. 
When travelling around New Jersey, always consider the altitude of the the place as well. We should remind you, that the highest point in USA - United States of America is Denali (Mount McKinley) (6190 m) and the lowest point is Death Valley (-86 m). So there are huge differences in altitudes in this country and the weather is very different in them therefore. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in New Jersey in January is this: The average highest temperature in New Jersey in January is 5.5 ℃ (41.9 ℉). The average lowest temperature is -1.4 ℃ (29.48 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 6.85 ℃ (44.33 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 6.1 ℃ (42.98 ℉). The average number of rainy days in January is 9.3. The average rainfall is 78.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:25 (hours and minutes), in the middle of the month 9:41 and at the end of the month 10:08.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in February is this: The average highest temperature in New Jersey in February is 6.7 ℃ (44.06 ℉). The average lowest temperature is -0.4 ℃ (31.28 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 6.1 ℃ (42.98 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 8.3 ℃ (46.94 ℉). The average number of rainy days in February is 9.2. The average rainfall is 72.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:08 (hours and minutes), in the middle of the month 10:41 and at the end of the month 11:18.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in March is this: The average highest temperature in New Jersey in March is 9.9 ℃ (49.82 ℉). The average lowest temperature is 2.8 ℃ (37.04 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 8.3 ℃ (46.94 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 12.05 ℃ (53.69 ℉). The average number of rainy days in March is 10.6. The average rainfall is 101.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:18 (hours and minutes), in the middle of the month 11:57 and at the end of the month 12:36.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in New Jersey in April is this: The average highest temperature in New Jersey in April is 14.2 ℃ (57.56 ℉). The average lowest temperature is 7.6 ℃ (45.68 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 12.05 ℃ (53.69 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 16.95 ℃ (62.51 ℉). The average number of rainy days in April is 10.7. The average rainfall is 88 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:36 (hours and minutes), in the middle of the month 13:14 and at the end of the month 13:49.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in May is this: The average highest temperature in New Jersey in May is 19.7 ℃ (67.46 ℉). The average lowest temperature is 12.6 ℃ (54.68 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 16.95 ℃ (62.51 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 21.85 ℃ (71.33 ℉). The average number of rainy days in May is 10.6. The average rainfall is 82 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:49 (hours and minutes), in the middle of the month 14:20 and at the end of the month 14:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in New Jersey in June is this: The average highest temperature in New Jersey in June is 24 ℃ (75.2 ℉). The average lowest temperature is 18.2 ℃ (64.76 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 21.85 ℃ (71.33 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 25.65 ℃ (78.17 ℉). The average number of rainy days in June is 8.8. The average rainfall is 67.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:43 (hours and minutes), in the middle of the month 14:55 and at the end of the month 14:55.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in July is this: The average highest temperature in New Jersey in July is 27.3 ℃ (81.14 ℉). The average lowest temperature is 21.3 ℃ (70.34 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 25.65 ℃ (78.17 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 27.05 ℃ (80.69 ℉). The average number of rainy days in July is 8.6. The average rainfall is 82 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:55 (hours and minutes), in the middle of the month 14:42 and at the end of the month 14:19.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in August is this: The average highest temperature in New Jersey in August is 26.8 ℃ (80.24 ℉). The average lowest temperature is 21.5 ℃ (70.7 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 27.05 ℃ (80.69 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 25.45 ℃ (77.81 ℉). The average number of rainy days in August is 7.9. The average rainfall is 101.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:19 (hours and minutes), in the middle of the month 13:48 and at the end of the month 13:13.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in September is this: The average highest temperature in New Jersey in September is 24.1 ℃ (75.38 ℉). The average lowest temperature is 17.5 ℃ (63.5 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 25.45 ℃ (77.81 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 21.3 ℃ (70.34 ℉). The average number of rainy days in September is 7.7. The average rainfall is 79.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:13 (hours and minutes), in the middle of the month 12:35 and at the end of the month 11:57.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in October is this: The average highest temperature in New Jersey in October is 18.5 ℃ (65.3 ℉). The average lowest temperature is 11.6 ℃ (52.88 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 21.3 ℃ (70.34 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 15.85 ℃ (60.53 ℉). The average number of rainy days in October is 7.5. The average rainfall is 89.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:57 (hours and minutes), in the middle of the month 11:19 and at the end of the month 10:42.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in November is this: The average highest temperature in New Jersey in November is 13.2 ℃ (55.76 ℉). The average lowest temperature is 6.2 ℃ (43.16 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 15.85 ℃ (60.53 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 10.7 ℃ (51.26 ℉). The average number of rainy days in November is 8.9. The average rainfall is 84.1 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:42 (hours and minutes), in the middle of the month 10:09 and at the end of the month 9:42.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in New Jersey in December is this: The average highest temperature in New Jersey in December is 8.2 ℃ (46.76 ℉). The average lowest temperature is 1 ℃ (33.8 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 10.7 ℃ (51.26 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 6.85 ℃ (44.33 ℉). The average number of rainy days in December is 10.2. The average rainfall is 91.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:42 (hours and minutes), in the middle of the month 9:26 and at the end of the month 9:23.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.| Atlantic City | temperature: - | highest temperature: 8.2 ℃ (46.76 ℉) | lowest temperature: 1 ℃ (33.8 ℉) | rainfall: 91.9mm | rainy days: 10.2 |
| Newark | temperature: - | highest temperature: 6.5 ℃ (43.7 ℉) | lowest temperature: -1.1 ℃ (30.02 ℉) | rainfall: 94.6mm | rainy days: 10.5 |
| Trenton | temperature: - | highest temperature: 6.5 ℃ (43.7 ℉) | lowest temperature: -2.2 ℃ (28.04 ℉) | rainfall: 93.8mm | rainy days: - |