Lucerne, nestled on the shores of Lake Lucerne and surrounded by the Swiss Alps, enjoys a temperate oceanic climate with four distinct seasons. Summers are warm with occasional rain, while winters are cold and often snowy. The city’s scenic landscapes and moderate weather make it a year-round destination for both outdoor adventure and cultural exploration.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Lucerne experiences a classic four-season climate, influenced by its central Swiss location and proximity to both lake and mountains. Winters (December–February) are cold, with average highs of 4–5°C and lows around -1 to -2°C. Snow is common, especially in January and February, with the city and surrounding mountains often blanketed in white. Daylight is short, with only 8–9 hours, and sunshine is limited (1–2 hours/day). Rainfall is moderate, and humidity remains high, making the cold feel more intense. Winter sports and festive markets are popular, and nearby resorts offer skiing, snowshoeing, and sledding.
Spring (March–May) brings a gradual warming, with highs rising from 10°C in March to 19°C in May. Rain is frequent, especially in May, but the city bursts into bloom and hiking trails reopen. Summer (June–August) is warm and lively, with average highs of 23–25°C and lows of 13–15°C. July and August are the sunniest and warmest months, offering up to 11 hours of sunshine per day. Rainfall peaks in summer – especially July and August – often as afternoon showers or thunderstorms. Lake Lucerne is ideal for swimming and boating, and the city hosts numerous festivals. Autumn (September–November) is mild to cool, with highs dropping from 20°C in September to 7°C in November. Rain and fog become more frequent, but the autumn foliage is spectacular, and crowds thin out. Annual precipitation is around 1,290 mm, with rain possible in any month, and the city enjoys about 1,530 hours of sunshine per year.
Lucerne’s weather can change quickly, especially in the mountains, so visitors should pack for a range of conditions. The city’s climate supports a vibrant outdoor lifestyle, from lakeside strolls and mountain hikes to winter sports and cultural events.
| Average climate data for Lucerne, Switzerland | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 3 | 5 | 10 | 14 | 19 | 22 | 25 | 24 | 19 | 14 | 8 | 4 | 25 |
| Average minimum temperature (°C) | -2 | -2 | 1 | 4 | 9 | 12 | 14 | 14 | 11 | 7 | 1 | -1 | -2 |
| Average precipitation (mm) | 51 | 54 | 74 | 87 | 129 | 154 | 150 | 146 | 108 | 76 | 72 | 73 | 1,173 |
| Average rainfall days (days) | 9 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 10 | 9 | 10 | 10 | 132 |
| Average snowfall (mm) | 162 | 203 | 84 | 12 | 0 | 0 | 0 | 0 | 0 | 4 | 52 | 145 | 662 |
| Average snowfall days (days) | 4 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 21 |
| Average relative humidity (%) | 83 | 79 | 73 | 70 | 72 | 72 | 72 | 74 | 81 | 83 | 83 | 85 | 77 |
| Average daily daylight hours (h) | 9 | 10 | 11 | 13 | 15 | 15 | 15 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 1 | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 4 | 3 | 1 | 1 | 3 |
| Average UV index | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 1 | 1 | 4 |
The best time to visit Lucerne is from late May to early October, when temperatures are warm (18–25°C), days are long and sunny, and the city hosts lively festivals and outdoor events. This period is ideal for sightseeing, hiking, lake cruises, and enjoying the vibrant atmosphere of both city and nature.
The least favourable times are late spring (April–May) and late autumn (October–November), when weather is unpredictable, rain and fog are common, and some mountain attractions close for maintenance. Winter (December–February) is cold and snowy, but perfect for those seeking winter sports or festive charm.
Lucerne’s annual average temperature is about 10°C. January is the coldest month (highs 4°C, lows -2°C), while July and August are the warmest (highs 24–25°C, lows 13–15°C).
Lucerne receives about 1,290 mm of precipitation annually. Rain falls year-round, with July and August being the wettest months. Snow is common in winter, especially in January and February.
Lucerne enjoys about 1,530 hours of sunshine per year. July and August are the sunniest months (up to 11 hours/day), while December and January are the least sunny (1–2 hours/day).
Late spring to early autumn (May–October) is best for outdoor activities, with mild to warm temperatures, long days, and more sunshine. Summer is ideal for hiking, lake cruises, and festivals.
Yes, Lucerne is a gateway to nearby winter sports resorts offering skiing, snowboarding, sledding, and snowshoeing from December to March, when snow cover is reliable in the mountains.
Swimming in Lake Lucerne is most comfortable in July and August, when water temperatures are warmest. Outside these months, the lake is quite cold for most swimmers.
Pack layers for spring and autumn, light clothing and rain gear for summer, and insulated, waterproof clothing for winter. An umbrella is useful year-round due to frequent showers.
The warmest month, with the highest average maximum temperature, is July (24.6 °C). The month with the lowest average maximum temperature is January (3.5 °C). Overall, the average maximum temperature over the whole year is 14.1 °C.
The month with the highest average minimum temperature is July (14.3 °C). The coldest month, with the lowest average minimum temperature, is January (-2.3 °C). Overall, the average minimum temperature over the whole year is 5.6 °C.
The wettest month, with the highest amount of precipitation, is June (154 mm). The driest month, with the least amount of precipitation, is January (50.7 mm). Over the whole year there are 1,172.5 mm of rainfall on average.
The month with the most days of rain is June (13.4 days). The month with the fewest days of rain is February (8.7 days). Over the whole year there are 132.4 days of rain on average.
The month with the most snowfall is February (203.1 mm). The months with the least snowfall are May, June, July, August and September (0 mm). Over the whole year there are 662.1 mm of snowfall on average.
The month with the most days of snowfall is December (8 days). The months with the fewest days of snowfall are May, June, July and August (0 days). Over the whole year there are 21.1 days of snowfall on average.
The month with the highest average relative humidity is December (84.7 %). The month with the lowest average relative humidity is April (70.3 %). The overall average relative humidity over the whole year is 77.2 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8.1 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 6.1 h). The month with the least sunshine per day is November (Average sunshine: 0.9 h). Over the whole year there are 3.5 h of sunlight per day on average.
The month with the highest average UV index is June (UV index: 8). The months with the lowest average UV index are January, November and December (UV index: 1). Over the whole year the average UV index is 4.2.
