Chamonix · SummerMonth summary
Chamonix weather in August
✅ Good
🌡️ Temperature min / max
55°F – 75°F
🌧 Rainy days
39% of days
☀️ Sunshine
13.0h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.9/10
📅 📅 Best month
August (7.9/10)
Quick decision
Should you visit Chamonix in August?
✅ Good
✅ Yes if: you want to explore cultural sites and local food.
❌ No if: you need guaranteed sunshine for photos or outdoor activities.
Our take: Chamonix in August: 75°F and 13.0h of sunshine. Decent, but not the peak.
By trip type
Chamonix in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
Summer in Chamonix brings pleasant temperatures (24°F) and long sunny days (13.0h of sunshine). Expect rain on 39% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if August (7.9/10) remains theoretically better.
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All months for Chamonix
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score | Ski score 🎿 |
|---|---|---|---|---|---|---|---|
| 🌨️ January | 25°F | 39°F | 45% | 0.2in | 7.3h | 2.9/10 | 7.5/10 |
| 🌦️ February | 28°F | 45°F | 41% | 0.2in | 9.0h | 4.1/10 | 7.2/10 |
| 🌦️ March | 30°F | 46°F | 45% | 0.2in | 10.4h | 4.2/10 | 7.0/10 |
| 🌦️ April | 36°F | 55°F | 48% | 0.2in | 12.0h | 5.5/10 | 5.5/10 |
| 🌦️ May | 43°F | 61°F | 61% | 0.2in | 12.7h | 6.1/10 | 4.4/10 |
| 🌦️ June | 50°F | 70°F | 57% | 0.2in | 13.6h | 7.3/10 | 4.0/10 |
| 🌤️ July | 55°F | 73°F | 45% | 0.2in | 14.1h | 7.8/10 | 4.1/10 |
| 🌤️ August | 55°F | 75°F | 39% | 0.1in | 13.0h | 7.9/10 | 4.1/10 |
| 🌦️ September | 50°F | 64°F | 46% | 0.2in | 11.0h | 7.0/10 | 4.3/10 |
| ⛅ October | 43°F | 59°F | 37% | 0.2in | 9.7h | 6.4/10 | 4.6/10 |
| 🌦️ November | 32°F | 46°F | 45% | 0.2in | 7.9h | 4.0/10 | 6.5/10 |
| 🌦️ December | 27°F | 43°F | 43% | 0.2in | 7.4h | 3.5/10 | 7.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Chamonix averages 75°F, 39% rainy days and 13.0h of sunshine per day. Overall weather score: 7.9/10.
See methodology →
Comparison
August vs August (best month)
The best month is August (score 7.9/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Chamonix in August
Is August a good time to visit Chamonix?
Yes, August is a good time (7.9/10). Great for outdoor activities and hiking.
What to do in Chamonix in August?
With 75°F max and 13.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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