Chamonix · SummerMonth summary
Chamonix weather in July
✅ Good
🌡️ Temperature min / max
13°C – 23°C
🌧 Rainy days
45% of days
☀️ Sunshine
14.1h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
August (7.9/10)
Quick decision
Should you visit Chamonix in July?
✅ 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: July is a good time to visit Chamonix. August remains slightly better (+0.1 pts).
By trip type
Chamonix in July by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in July
🎯 Trails walkable but wet — bring proper footwear and plan sheltered breaks Summer in Chamonix brings pleasant temperatures (23°C) and long sunny days (14.1h of sunshine). Expect rain on 45% 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 °C | Max °C | Rain % | Precip mm | Sun h/d | Score | Ski score 🎿 |
|---|---|---|---|---|---|---|---|
| 🌨️ January | -4°C | 4°C | 45% | 6.0 | 7.3h | 2.9/10 | 7.5/10 |
| 🌦️ February | -2°C | 7°C | 41% | 4.5 | 9.0h | 4.1/10 | 7.2/10 |
| 🌦️ March | -1°C | 8°C | 45% | 4.8 | 10.4h | 4.2/10 | 7.0/10 |
| 🌦️ April | 2°C | 13°C | 48% | 4.4 | 12.0h | 5.5/10 | 5.5/10 |
| 🌦️ May | 6°C | 16°C | 61% | 6.2 | 12.7h | 6.1/10 | 4.4/10 |
| 🌦️ June | 10°C | 21°C | 57% | 4.7 | 13.6h | 7.3/10 | 4.0/10 |
| 🌤️ July | 13°C | 23°C | 45% | 3.9 | 14.1h | 7.8/10 | 4.1/10 |
| 🌤️ August | 13°C | 24°C | 39% | 3.4 | 13.0h | 7.9/10 | 4.1/10 |
| 🌦️ September | 10°C | 18°C | 46% | 4.1 | 11.0h | 7.0/10 | 4.3/10 |
| ⛅ October | 6°C | 15°C | 37% | 4.2 | 9.7h | 6.4/10 | 4.6/10 |
| 🌦️ November | 0°C | 8°C | 45% | 5.4 | 7.9h | 4.0/10 | 6.5/10 |
| 🌦️ December | -3°C | 6°C | 43% | 6.2 | 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 July, Chamonix averages 23°C, 45% rainy days and 14.1h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
July vs August (best month)
The best month is August (score 7.9/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -6%
- ☀️ Sunshine : -1.1h/day
FAQ
FAQ — Chamonix in July
Is July a good time to visit Chamonix?
Yes, July is a good time (7.8/10). Great for outdoor activities and hiking.
What to do in Chamonix in July?
With 23°C max and 14.1h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Chamonix
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