FR Chamonix · Spring

Chamonix in May
what's the weather like?

May is a difficult time — August offers much better conditions.

Open-Meteo · 10 years · 12 months compared · 45.92°N 6.87°E
16°CMax temperature
61%Rainy days
12.7hSunshine / day

Chamonix weather in May

⚠️ Fair
🌡️ Temperature min / max
6°C – 16°C
🌧 Rainy days
61% of days
☀️ Sunshine
12.7h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
6.1/10
📅 📅 Best month
August (7.9/10)

Should you visit Chamonix in May?

⚠️ Fair

✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.

❌ No if: you're planning 100% outdoor activities — rain is frequent.

🌧 Rain : ██████░░░░ 61%
🌡 Temperature : ████░░░░░░ 16°C
☀️ Sunshine : █████████░ 12.7h/d

Our take: May is an average time for Chamonix. August (7.9/10) is clearly preferable.

Chamonix in May by trip type

What to expect in May

🎯 Trails walkable but wet — bring proper footwear and plan sheltered breaks Spring marks the start of the good season in Chamonix. Temperatures rise (16°C) and tourists have not yet arrived en masse. With 61% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. August (7.9/10) is significantly better if possible.

All months for Chamonix

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScoreSki score 🎿
🌨️ January-4°C4°C45%6.07.3h2.9/107.5/10
🌦️ February-2°C7°C41%4.59.0h4.1/107.2/10
🌦️ March-1°C8°C45%4.810.4h4.2/107.0/10
🌦️ April2°C13°C48%4.412.0h5.5/105.5/10
🌦️ May6°C16°C61%6.212.7h6.1/104.4/10
🌦️ June10°C21°C57%4.713.6h7.3/104.0/10
🌤️ July13°C23°C45%3.914.1h7.8/104.1/10
🌤️ August13°C24°C39%3.413.0h7.9/104.1/10
🌦️ September10°C18°C46%4.111.0h7.0/104.3/10
⛅ October6°C15°C37%4.29.7h6.4/104.6/10
🌦️ November0°C8°C45%5.47.9h4.0/106.5/10
🌦️ December-3°C6°C43%6.27.4h3.5/107.1/10
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 May, Chamonix averages 16°C, 61% rainy days and 12.7h of sunshine per day. Overall weather score: 6.1/10. See methodology →

May vs August (best month)

The best month is August (score 7.9/10). Difference:

FAQ — Chamonix in May

Is May a good time to visit Chamonix?
Transition period with a summer score of 6.1/10 and ski score of 4.4/10. Neither the best ski nor summer season.
Does it rain a lot in Chamonix in May?
Yes, 61% of days see rain in May. Plan some indoor activities as backup.

Find a place to stay in Chamonix

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Activities and tours in Chamonix

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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Real-time data with ECMWF seasonal corrections · updated daily

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