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Chamonix-Mont-Blanc Weather in July
July in Chamonix-Mont-Blanc sees daytime temperatures around 18°C (64°F) and lows of 7°C (45°F) at night. With around 152 mm (6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Chamonix-Mont-Blanc in July
Climate statistics over the past 30 years suggest around 16 days of rain, with 152 mm (6 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Chamonix-Mont-Blanc in July
Daytime highs in Chamonix-Mont-Blanc in July reach 18°C (64°F), with nights around 7°C (45°F). July is known for being in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. On average, it sees the highest temps of the year.
Sunshine in Chamonix-Mont-Blanc in July
The month enjoys around 275 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Chamonix-Mont-Blanc.
Chamonix-Mont-Blanc Temperature in July
Min Temperature
7°C (45°F)
Max Temperature
18°C (64°F)
Chance of Rain
54%
Precipitation
152 mm (6 in)
Rainy days
16 days
Sunshine
275 hours
Percentage Sunshine
Chamonix-Mont-Blanc Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chamonix-Mont-Blanc - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chamonix-Mont-Blanc typically stay consistent throughout July, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 11°C (52°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather records for Chamonix-Mont-Blanc in July
Browse day-by-day weather records for Chamonix-Mont-Blanc spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chamonix-Mont-Blanc historical weather extremes in July
The extremes listed below come from historical weather data collected in Chamonix-Mont-Blanc from 1976 through 2026.
- The warmest day in July was on July 18, 2022, with a maximum of 35°C (95°F).
- The lowest daytime temperature in July was 7°C (45°F), recorded on July 10, 2007.
- Nighttime temperatures dropped to -2°C (28°F) on July 2, 1996, marking the coldest July night on record.
- The wettest July day on record brought 44 mm (1.7 in) of precipitation to Chamonix-Mont-Blanc (July 16, 2001).
Best Places in France in July
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in July →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Chamonix-Mont-Blanc in July
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Chamonix-Mont-Blanc in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping3/10
Chamonix-Mont-Blanc 3-Day Forecast
More climate data for Chamonix-Mont-Blanc
See the full Chamonix-Mont-Blanc climate overview or explore weather in France.
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The 10 most charming villages in France
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