Strasbourg, in northeastern France, features a semi-continental climate with warm summers, cold winters, and moderate rainfall year-round. The city’s weather is marked by significant seasonal shifts, from snowy, grey winters to sunny, lively summers, making it a vibrant destination for outdoor activities, festivals, and its famous Christmas markets.
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.
Strasbourg’s semi-continental climate brings distinct seasons. Summers (June–August) are warm and pleasant, with average highs of 22–27°C and lows around 13–16°C. July is typically the hottest month, and heatwaves above 30°C are possible, though usually brief. Sunshine is most abundant in summer, with up to 7–8 hours per day, and the city hosts many outdoor festivals and events. Rainfall is moderate and fairly evenly spread, with May and June being the wettest months (up to 80 mm), often as brief showers or thunderstorms.
Winters (December–February) are cold and often grey, with average highs of 3–6°C and lows near -1°C. Snowfall is occasional but can create a picturesque winter setting, especially during the magical Christmas market season. Days are short, with only 1–2 hours of sunshine and about 8 hours of daylight. Spring (March–May) and autumn (September–November) are transitional, with spring bringing blooming flowers and milder weather (10–19°C), and autumn offering colourful foliage and cooling temperatures (20°C in September to 7°C in November). Rain falls year-round, but the driest months are typically February and March. Annual precipitation averages 650–900 mm, and Strasbourg enjoys about 1,700–1,800 hours of sunshine per year. Winds are generally light to moderate, occasionally brisk in winter and spring.
| Average climate data for Strasbourg, France | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 4 | 6 | 11 | 16 | 18 | 23 | 25 | 25 | 21 | 15 | 9 | 5 | 25 |
| Average minimum temperature (°C) | -1 | -0 | 2 | 6 | 8 | 12 | 14 | 14 | 10 | 7 | 3 | 1 | -1 |
| Average precipitation (mm) | 36 | 38 | 33 | 30 | 51 | 56 | 56 | 50 | 26 | 31 | 35 | 49 | 491 |
| Average rainfall days (days) | 13 | 12 | 13 | 12 | 17 | 15 | 17 | 15 | 10 | 11 | 13 | 14 | 162 |
| Average snowfall (mm) | 39 | 28 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 40 | 134 |
| Average snowfall days (days) | 6 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 19 |
| Average relative humidity (%) | 87 | 81 | 77 | 72 | 77 | 76 | 73 | 72 | 75 | 80 | 84 | 85 | 78 |
| Average wind speed (km/h) | 10 | 11 | 11 | 9 | 9 | 8 | 8 | 7 | 8 | 8 | 9 | 11 | 9 |
| Average daily daylight hours (h) | 8 | 10 | 11 | 13 | 15 | 16 | 15 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 4 | 5 | 6 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 5 | 4 | 7 |
| Average cloud coverage (%) | 54 | 53 | 44 | 36 | 41 | 37 | 34 | 30 | 33 | 38 | 49 | 53 | 42 |
| Average UV index | 2 | 2 | 3 | 4 | 4 | 6 | 5 | 5 | 4 | 3 | 2 | 2 | 4 |
The best time to visit Strasbourg is from late April to early October, especially in May–June and September. These months offer mild to warm temperatures, long days, and vibrant festivals. Spring and early autumn are ideal for sightseeing, with blooming gardens or colourful foliage and fewer crowds than peak summer.
The least favourable time to visit Strasbourg is from November to February, when days are short, temperatures are cold (3–6°C), and rain, snow, and clouds are frequent. However, December is magical for the Christmas markets, despite the chilly, grey weather and larger crowds.
Strasbourg’s annual average temperature is about 10–11°C. January is the coldest month (highs 3–4°C, lows -1°C), while July and August are the warmest (highs 25–27°C, lows 14–16°C).
Strasbourg receives about 650–900 mm of precipitation annually. Rain falls year-round, with May and June being wettest. Snow is possible in winter but rarely heavy or long-lasting.
Strasbourg enjoys about 1,700–1,800 hours of sunshine per year. The sunniest months are June and July (up to 7–8 hours/day), while December and January are the least sunny (1–2 hours/day).
Late spring through early autumn (May–September) is best for outdoor activities, with mild to warm temperatures, long days, and more sunshine. Summer is ideal for festivals, cycling, and river cruises.
Strasbourg itself is not a winter sports destination, but the nearby Vosges mountains offer skiing and snowboarding from December to March, when snow cover is more reliable.
Swimming outdoors is most comfortable in July and August, when air temperatures reach 25–27°C. Even then, the water in lakes and pools can be cool, so beach activities are limited.
Pack layers for spring and autumn, light clothing and sun protection for summer, and insulated, waterproof clothing for winter. An umbrella and windproof jacket are useful year-round.
The warmest month, with the highest average maximum temperature, is August (24.9 °C). The month with the lowest average maximum temperature is January (4.3 °C). Overall, the average maximum temperature over the whole year is 14.8 °C.
The month with the highest average minimum temperature is August (13.8 °C). The coldest month, with the lowest average minimum temperature, is January (-0.8 °C). Overall, the average minimum temperature over the whole year is 6.2 °C.
The wettest month, with the highest amount of precipitation, is June (56.1 mm). The driest month, with the least amount of precipitation, is September (26.2 mm). Over the whole year there are 491.1 mm of rainfall on average.
The month with the most days of rain is July (17.2 days). The month with the fewest days of rain is September (10.4 days). Over the whole year there are 162.5 days of rain on average.
The month with the most snowfall is December (39.5 mm). The months with the least snowfall are April, May, June, July, August and September (0 mm). Over the whole year there are 133.7 mm of snowfall on average.
The month with the most days of snowfall is January (6.2 days). The month with the fewest days of snowfall is June (0 days). Over the whole year there are 19.2 days of snowfall on average.
The month with the highest average relative humidity is January (87.2 %). The month with the lowest average relative humidity is August (72.1 %). The overall average relative humidity over the whole year is 78.3 %.
The windiest month, with the highest average wind speed, is February (11.1 km/h). The calmest month, with the lowest average wind speed, is August (7.4 km/h). The overall average wind speed over the whole year is 9.2 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is January (53.8 %). The month with the clearest skies, so the lowest cloud coverage, is August (30.1 %). Over the whole year there is an average cloud coverage of 41.7 %.
The month with the longest days, so the most daylight, is June (Average daylight: 16 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8 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 August (Average sunshine: 10.1 h). The month with the least sunshine per day is January (Average sunshine: 4 h). Over the whole year there are 7.2 h of sunlight per day on average.
The month with the highest average UV index is June (UV index: 6). The months with the lowest average UV index are January, February, November and December (UV index: 2). Over the whole year the average UV index is 3.5.
