Do you need to know, when is the best time to go to Switzerland? Then you should take a look here, what weather you can expect there during the year.
The climate of Switzerland is temperate, but it varies with altitude. You can generally expect cold, quite cloudy and rainy or snowy winters, but cool or warm, but sometimes cloudy and humid summers. During summer weather may be pleasantly warm, especially in lowlands, but you should expect very cold weather in mountains.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Aarau, Andermatt, Appenzell, Ascona, Augusta Raurica, Avenches, Baden, Basel, Bellinzona, Berne, Berne Region, Bernese Highlands, Biel, Brienz, Brig, Brugg, Brunnen, Central Switzerland, Chur, Château d'Œx, Crans Montana, Davos, Delémont, Disentis, Eastern Switzerland, Engadin, Engelberg, Falera, Fiesch, Flims, Fribourg, Geneva, Gimmelwald, Glarus, Graubünden, Grindelwald, Gruyères, Gstaad, Hermance, Horgen, Ilanz, Interlaken, Kandersteg, Küssnacht, La Chaux de Fonds, Laax, Lausanne, Lauterbrunnen, Lavaux, Le Locle, Lenzerheide, Les Diablerets, Leukerbad, Leysin, Liestal, Locarno, Lucens, Lucerne, Lugano, Lötschental, Martigny, Meiringen, Montreux, Murten, Mürren, Neuchatel, Northwestern Switzerland, Nyon, Pfäffikon, Pontresina, Rapperswil, Rheinfelden, Riederalp Bettmeralp, Romanshorn, Saas Fee, Safiental, Saint Maurice, Saint Ursanne, Saint Gallen, Samedan, Samnaun, Sargans, Sarnen, Schaffhausen, Scuol, Sierre, Sion, Solothurn, Spiez, St. Moritz, Stans, Stein am Rhein, Surselva, Swiss Alps, Swiss Alps Jungfrau Aletsch, Swiss National Park, Tenero, Thun, Ticino, Uster, Val Lumnezia, Val Mesolcina, Val d'Illiez, Valais, Vals, Vaud, Verbier, Verzasca Valley, Vevey, Villars sur Ollon, Visp, Wengen, Western Switzerland, Winterthur, Yverdon, Zermatt, Zug, Zurich.
Let's look now what weather you can expect in the area around Zurich and in many other cities. The warmest month here is July, the average maximum temperature is 22.8 ℃ (73.04 ℉). The average minimum temperature in this month is 12.9 ℃ (55.22 ℉). The coldest month here is January, the average maximum temperature is 2.2 ℃ (35.96 ℉). The average minimum temperature in this month is -2.6 ℃ (27.32 ℉). The most rainy month here is August, the average number of rainy days is 12.3. The least rainy month here is September, the average number of rainy days is 7.8. 
When travelling to some places in Switzerland, always consider the altitude of the the place as well. The highest point here is Dufourspitze (4634 m) and the lowest point is Lake Maggiore (195 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 Switzerland in January is this: The average highest temperature in Switzerland in January is 2.2 ℃ (35.96 ℉). The average lowest temperature is -2.6 ℃ (27.32 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 2.65 ℃ (36.77 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 3.25 ℃ (37.85 ℉). The average number of rainy days in January is 11.1. The average rainfall is 66.9 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 8:31 (hours and minutes), in the middle of the month 8:53 and at the end of the month 9:29.These numbers above are valid primarily for Zurich 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 Switzerland in February is this: The average highest temperature in Switzerland in February is 4.3 ℃ (39.74 ℉). The average lowest temperature is -1.7 ℃ (28.94 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 3.25 ℃ (37.85 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 6.3 ℃ (43.34 ℉). The average number of rainy days in February is 10.1. The average rainfall is 71.1 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 9:29 (hours and minutes), in the middle of the month 10:14 and at the end of the month 11:04.These numbers above are valid primarily for Zurich 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 Switzerland in March is this: The average highest temperature in Switzerland in March is 8.3 ℃ (46.94 ℉). The average lowest temperature is 0.8 ℃ (33.44 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 6.3 ℃ (43.34 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 10.45 ℃ (50.81 ℉). The average number of rainy days in March is 11.2. The average rainfall is 70.6 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 11:04 (hours and minutes), in the middle of the month 11:55 and at the end of the month 12:46.These numbers above are valid primarily for Zurich 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 Switzerland in April is this: The average highest temperature in Switzerland in April is 12.6 ℃ (54.68 ℉). The average lowest temperature is 3.9 ℃ (39.02 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 10.45 ℃ (50.81 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 15 ℃ (59 ℉). The average number of rainy days in April is 12.1. The average rainfall is 89.2 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 12:46 (hours and minutes), in the middle of the month 13:37 and at the end of the month 14:24.These numbers above are valid primarily for Zurich 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 Switzerland in May is this: The average highest temperature in Switzerland in May is 17.4 ℃ (63.32 ℉). The average lowest temperature is 8 ℃ (46.4 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 15 ℃ (59 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 19 ℃ (66.2 ℉). The average number of rainy days in May is 11.8. The average rainfall is 102 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 14:24 (hours and minutes), in the middle of the month 15:06 and at the end of the month 15:38.These numbers above are valid primarily for Zurich 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 Switzerland in June is this: The average highest temperature in Switzerland in June is 20.6 ℃ (69.08 ℉). The average lowest temperature is 11.1 ℃ (51.98 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 19 ℃ (66.2 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 21.7 ℃ (71.06 ℉). The average number of rainy days in June is 11.7. The average rainfall is 123.7 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 15:38 (hours and minutes), in the middle of the month 15:55 and at the end of the month 15:54.These numbers above are valid primarily for Zurich 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 Switzerland in July is this: The average highest temperature in Switzerland in July is 22.8 ℃ (73.04 ℉). The average lowest temperature is 12.9 ℃ (55.22 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 21.7 ℃ (71.06 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 22.7 ℃ (72.86 ℉). The average number of rainy days in July is 10.8. The average rainfall is 119.3 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 15:54 (hours and minutes), in the middle of the month 15:36 and at the end of the month 15:04.These numbers above are valid primarily for Zurich 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 Switzerland in August is this: The average highest temperature in Switzerland in August is 22.6 ℃ (72.68 ℉). The average lowest temperature is 12.5 ℃ (54.5 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 22.7 ℃ (72.86 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 20.75 ℃ (69.35 ℉). The average number of rainy days in August is 12.3. The average rainfall is 133.1 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 15:04 (hours and minutes), in the middle of the month 14:22 and at the end of the month 13:35.These numbers above are valid primarily for Zurich 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 Switzerland in September is this: The average highest temperature in Switzerland in September is 18.9 ℃ (66.02 ℉). The average lowest temperature is 10 ℃ (50 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 20.75 ℃ (69.35 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 16.35 ℃ (61.43 ℉). The average number of rainy days in September is 7.8. The average rainfall is 93.1 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 13:35 (hours and minutes), in the middle of the month 12:45 and at the end of the month 11:55.These numbers above are valid primarily for Zurich 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 Switzerland in October is this: The average highest temperature in Switzerland in October is 13.8 ℃ (56.84 ℉). The average lowest temperature is 6.5 ℃ (43.7 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 16.35 ℃ (61.43 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 10.55 ℃ (50.99 ℉). The average number of rainy days in October is 7.9. The average rainfall is 70.3 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 11:55 (hours and minutes), in the middle of the month 11:04 and at the end of the month 10:15.These numbers above are valid primarily for Zurich 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 Switzerland in November is this: The average highest temperature in Switzerland in November is 7.3 ℃ (45.14 ℉). The average lowest temperature is 1.6 ℃ (34.88 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 10.55 ℃ (50.99 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 5.2 ℃ (41.36 ℉). The average number of rainy days in November is 10. The average rainfall is 81.3 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 10:15 (hours and minutes), in the middle of the month 9:30 and at the end of the month 8:54.These numbers above are valid primarily for Zurich 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 Switzerland in December is this: The average highest temperature in Switzerland in December is 3.1 ℃ (37.58 ℉). The average lowest temperature is -1.5 ℃ (29.3 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 5.2 ℃ (41.36 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 2.65 ℃ (36.77 ℉). The average number of rainy days in December is 9.8. The average rainfall is 72.4 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 8:54 (hours and minutes), in the middle of the month 8:31 and at the end of the month 8:27.These numbers above are valid primarily for Zurich and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.| Geneva | temperature: - | highest temperature: 4.7 ℃ (40.46 ℉) | lowest temperature: -0.3 ℃ (31.46 ℉) | rainfall: 73.2mm | rainy days: 10 |
| Zurich | temperature: - | highest temperature: 3.1 ℃ (37.58 ℉) | lowest temperature: -1.5 ℃ (29.3 ℉) | rainfall: 72.4mm | rainy days: 9.8 |
| Lugano | temperature: - | highest temperature: 7.3 ℃ (45.14 ℉) | lowest temperature: 1.2 ℃ (34.16 ℉) | rainfall: 63.6mm | rainy days: 5.9 |