Colmar weather in August
France

August in Colmar: warm, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Colmar · #452 of 1383 destinations to visit in August · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Colmar in August
Other months in Colmar
Colmar's forum recommends packing layers for a September visit, with summer-weight clothing generally appropriate for the days. Regulars note the Alsace region's weather stays genuinely changeable this time of year, and that it's worth checking a dedicated forecast site closer to the trip rather than relying on general seasonal expectations.
Add your own note from Colmar's card on the map.
Colmar climate normals — August
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 99 mm / 3.9 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 11 h/day | |
| Daylight | 14.2 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Colmar in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsFoire aux Vins d'Alsace, Summer holidays in France, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Colmar's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherColmar's best weather comes in June, July and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Colmar in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Foire aux Vins d'Alsace
31 Jul – 9 AugMajor festivalCrowdedBook earlyTen days at the Parc Expo where the wine fair is the daytime half and stadium-sized concerts are the evening one. Rooms in the old town go with it, so book before the line-up is announced. Source ↗
Nearby, and something's on
Within 300 km of Colmar — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Colmar?
Colmar in August — FAQ
- Is August a good time to visit Colmar?
- August in Colmar: warm, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Colmar on SeasonMap's comfort score (85/100).
- What is the weather like in Colmar in August?
- In August, Colmar averages a daily high of 26°C and a low of 16.9°C, with about 99.1 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Colmar in August?
- Colmar has a mean US Air Quality Index of about 40 in August.
Other months in Colmar
Compare Colmar in August
Warmer or cooler than Colmar in August
Similar destinations in Western Europe — August
Within 300 km: Strasbourg's Storks on the nests around 15 Feb – 31 Aug, and Zürich's Street Parade around 5–16 Aug.