Mer de Glace

Glacier · Chamonix, 🇫🇷 France

Area 2 km²

Time zone Europe/Paris

Mer de Glace

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Mer de Glace — Map

Mer de Glace — Map

Climate & when to visit

Select a month

Typical weather in January

Poor

-4° (feels like -8°) · extremes -20°–0°
-12° at night
12 rainy days
9 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in February

Poor

-3° (feels like -8°) · extremes -22°–1°
-12° at night
11 rainy days
8 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 2 · low

Typical weather in March

Poor

0° (feels like -4°) · extremes -17°–7°
-8° at night
13 rainy days
8 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 3 · moderate

Typical weather in April

Poor

5° (feels like 2°) · extremes -11°–13°
-4° at night
13 rainy days
7 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in May

Poor

10° (feels like 8°) · extremes -5°–17°
1° at night
18 rainy days
7 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 6 · high

Typical weather in June

Fair

15° (feels like 13°) · extremes -1°–21°
5° at night
16 rainy days
11 sunny days
9 hours of sunshine per day
Dry air
Calm winds
UV index 7 · high

Typical weather in July

Good

16° (feels like 14°) · extremes 1°–22°
6° at night
15 rainy days
15 sunny days
10 hours of sunshine per day
Dry air
Calm winds
UV index 7 · high

Typical weather in August

Fair

16° (feels like 15°) · extremes 1°–23°
6° at night
14 rainy days
15 sunny days
9 hours of sunshine per day
Dry air
Calm winds
UV index 6 · high

Typical weather in September

Poor

13° (feels like 11°) · extremes -3°–19°
3° at night
13 rainy days
12 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in October

Poor

9° (feels like 6°) · extremes -7°–15°
-1° at night
13 rainy days
9 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 3 · moderate

Typical weather in November

Poor

2° (feels like -2°) · extremes -15°–9°
-6° at night
14 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in December

Poor

-3° (feels like -7°) · extremes -19°–3°
-10° at night
14 rainy days
7 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency: Euro EUR € · Card payments · Widely accepted
Emergency numbers: 112
Electricity: Type C / Type E
230 V · 50 Hz

Languages: French
Tap water: Safe to drink
Driving side: Right
Calling code: +33

Tours & Activities

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