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Usual weather in Papua New Guinea

Do you need to know, when is the best time to go to Papua New Guinea? Then you should take a look here, what weather you can expect there during the year.

Home - Australia & Pacific - Papua New Guinea

What weather to expect in Papua New Guinea

The climate of Papua New Guinea is tropical. There is northwest monsoon from December to March, and southeast monsoon from May to October. There is only slight seasonal variation of temperatures.

When speaking about the usual weather in this state, the information is relevant for example for these popular places: Alotau, Bougainville, Bulolo, Daru, Goroka, Highlands, Kavieng, Kerema, Kimbe, Kiunga, Lae, Lorengau, Louisiade Archipelago, Madang, Madang Morobe, Manus, Mendi, Milne Bay, Mount Hagen, Namatanai, New Britain, New Ireland, New Ireland and Manus, Port Moresby, Rabaul, Sepik, Southern Papua New Guinea, Tari Basin, Trobriand Islands, Tufi, Ukarumpa, Vanimo, Wau, Western Papua New Guinea, Wewak.

Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is November, the average maximum temperature is 33.4 ℃ (92.12 ℉). The average minimum temperature in this month is 24.2 ℃ (75.56 ℉). The coldest month here is June, the average maximum temperature is 30 ℃ (86 ℉). The average minimum temperature in this month is 23.7 ℃ (74.66 ℉). The most rainy month here is March, the average number of rainy days is 18.2. The least rainy month here is August, the average number of rainy days is 3.9.

When travelling to some places in Papua New Guinea, always consider the altitude of the the place as well. The highest point here is Mount Wilhelm (4509 m) and the lowest point is Pacific Ocean (0 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.)

Please, keep in mind, that this is not a weather forecast, but the information about the usual weather (average). This should help you to decide, when is the best time to go to Papua New Guinea. Read more details about the typical weather there in all individual months below:

January - February - March - April - May - June - July - August - September - October - November - December

January

Typical (usual) weather in Papua New Guinea in January is this: The average highest temperature in Papua New Guinea in January is 32.2 ℃ (89.96 ℉). The average lowest temperature is 24 ℃ (75.2 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 32 ℃ (89.6 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 32.1 ℃ (89.78 ℉). The average number of rainy days in January is 18.1. The average rainfall is 193 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 12:40 (hours and minutes), in the middle of the month 12:36 and at the end of the month 12:31.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.

February

Typical (usual) weather in Papua New Guinea in February is this: The average highest temperature in Papua New Guinea in February is 32 ℃ (89.6 ℉). The average lowest temperature is 23.9 ℃ (75.02 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around 32.1 ℃ (89.78 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 32.05 ℃ (89.69 ℉). The average number of rainy days in February is 16.2. The average rainfall is 140.7 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 12:31 (hours and minutes), in the middle of the month 12:24 and at the end of the month 12:16.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.

March

Typical (usual) weather in Papua New Guinea in March is this: The average highest temperature in Papua New Guinea in March is 32.1 ℃ (89.78 ℉). The average lowest temperature is 23.2 ℃ (73.76 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 32.05 ℃ (89.69 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 31.8 ℃ (89.24 ℉). The average number of rainy days in March is 18.2. The average rainfall is 191.1 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 12:16 (hours and minutes), in the middle of the month 12:08 and at the end of the month 12:01.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.

April

Typical (usual) weather in Papua New Guinea in April is this: The average highest temperature in Papua New Guinea in April is 31.5 ℃ (88.7 ℉). The average lowest temperature is 24.2 ℃ (75.56 ℉). At the beginning of April you can expect higher temperatures, the average highest temperature is around 31.8 ℃ (89.24 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 31.1 ℃ (87.98 ℉). The average number of rainy days in April is 11.1. The average rainfall is 106.5 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 12:01 (hours and minutes), in the middle of the month 11:53 and at the end of the month 11:46.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.

May

Typical (usual) weather in Papua New Guinea in May is this: The average highest temperature in Papua New Guinea in May is 30.7 ℃ (87.26 ℉). The average lowest temperature is 23.3 ℃ (73.94 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 31.1 ℃ (87.98 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 30.35 ℃ (86.63 ℉). The average number of rainy days in May is 9. The average rainfall is 56.8 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 11:46 (hours and minutes), in the middle of the month 11:40 and at the end of the month 11:36.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.

June

Typical (usual) weather in Papua New Guinea in June is this: The average highest temperature in Papua New Guinea in June is 30 ℃ (86 ℉). The average lowest temperature is 23.7 ℃ (74.66 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 30.35 ℃ (86.63 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 30.4 ℃ (86.72 ℉). The average number of rainy days in June is 6. The average rainfall is 21.8 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 11:36 (hours and minutes), in the middle of the month 11:34 and at the end of the month 11:34.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.

July

Typical (usual) weather in Papua New Guinea in July is this: The average highest temperature in Papua New Guinea in July is 30.8 ℃ (87.44 ℉). The average lowest temperature is 22.7 ℃ (72.86 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 30.4 ℃ (86.72 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 30.7 ℃ (87.26 ℉). The average number of rainy days in July is 4. The average rainfall is 14.1 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 11:34 (hours and minutes), in the middle of the month 11:36 and at the end of the month 11:41.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.

August

Typical (usual) weather in Papua New Guinea in August is this: The average highest temperature in Papua New Guinea in August is 30.6 ℃ (87.08 ℉). The average lowest temperature is 23.2 ℃ (73.76 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 30.7 ℃ (87.26 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). The average number of rainy days in August is 3.9. The average rainfall is 11.9 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 11:41 (hours and minutes), in the middle of the month 11:47 and at the end of the month 11:53.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.

September

Typical (usual) weather in Papua New Guinea in September is this: The average highest temperature in Papua New Guinea in September is 30.9 ℃ (87.62 ℉). The average lowest temperature is 23.7 ℃ (74.66 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 30.75 ℃ (87.35 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). The average number of rainy days in September is 5. The average rainfall is 14.5 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 11:53 (hours and minutes), in the middle of the month 12:01 and at the end of the month 12:09.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.

October

Typical (usual) weather in Papua New Guinea in October is this: The average highest temperature in Papua New Guinea in October is 31.5 ℃ (88.7 ℉). The average lowest temperature is 24.2 ℃ (75.56 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 32.45 ℃ (90.41 ℉). The average number of rainy days in October is 5. The average rainfall is 15.1 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 12:09 (hours and minutes), in the middle of the month 12:16 and at the end of the month 12:24.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.

November

Typical (usual) weather in Papua New Guinea in November is this: The average highest temperature in Papua New Guinea in November is 33.4 ℃ (92.12 ℉). The average lowest temperature is 24.2 ℃ (75.56 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 32.45 ℃ (90.41 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 32.6 ℃ (90.68 ℉). The average number of rainy days in November is 6.1. The average rainfall is 39.6 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 12:24 (hours and minutes), in the middle of the month 12:31 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.

December

Typical (usual) weather in Papua New Guinea in December is this: The average highest temperature in Papua New Guinea in December is 31.8 ℃ (89.24 ℉). The average lowest temperature is 24.3 ℃ (75.74 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 32.6 ℃ (90.68 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 32 ℃ (89.6 ℉). The average number of rainy days in December is 11.8. The average rainfall is 96.1 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 12:36 (hours and minutes), in the middle of the month 12:39 and at the end of the month 12:40.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.

Below are average values, so you can consider them typical weather in Papua New Guinea in these places. The sign '-' means we don't have enough data for this item.

Port Moresbytemperature: - highest temperature: 31.8 ℃ (89.24 ℉)lowest temperature: 24.3 ℃ (75.74 ℉)rainfall: 96.1mmrainy days: 11.8
Darutemperature: - highest temperature: 32.5 ℃ (90.5 ℉)lowest temperature: 25.3 ℃ (77.54 ℉)rainfall: 207.2mmrainy days: 17.3
Gorokatemperature: - highest temperature: 28.3 ℃ (82.94 ℉)lowest temperature: 16.2 ℃ (61.16 ℉)rainfall: 162.2mmrainy days: 17.4
Kaviengtemperature: - highest temperature: 31.2 ℃ (88.16 ℉)lowest temperature: 23.8 ℃ (74.84 ℉)rainfall: 259.8mmrainy days: 22.3
Lae Citytemperature: - highest temperature: 32.1 ℃ (89.78 ℉)lowest temperature: 23.6 ℃ (74.48 ℉)rainfall: 343.9mmrainy days: 18.7
Madangtemperature: - highest temperature: 30.8 ℃ (87.44 ℉)lowest temperature: 24.3 ℃ (75.74 ℉)rainfall: 379.9mmrainy days: 23.2
Rabaultemperature: - highest temperature: 30.7 ℃ (87.26 ℉)lowest temperature: 23.8 ℃ (74.84 ℉)rainfall: 263.7mmrainy days: 20.6
Vanimotemperature: - highest temperature: 31.7 ℃ (89.06 ℉)lowest temperature: 24.3 ℃ (75.74 ℉)rainfall: 210.1mmrainy days: 20.4
Wewaktemperature: - highest temperature: 31.1 ℃ (87.98 ℉)lowest temperature: 24 ℃ (75.2 ℉)rainfall: 161mmrainy days: 16.3




When you read about the number of mm of rainfall, you should know this: Light rain is when the precipitation rate is less than 2.5 mm (0.1 in) per hour. For moderate rain this number is between 2.5 mm and 10 mm (0.4 in), for heavy rain it is 10 mm - 50 mm (2.0 in). Violent rain has this number higher than 50 mm per hour.