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Aletsch Glacier

Glacier · Canton of Valais, 🇨🇭 Switzerland
Area 14 km²
Time zone Europe/Zurich
Aletsch Glacier

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Aletsch Glacier — Map

Aletsch Glacier — Map

Climate & when to visit

Select a month

Typical weather in January

Poor
  • -10° (feels like -15°) · extremes -25°–-5°
  • -18° 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 February

Poor
  • -9° (feels like -14°) · extremes -26°–-4°
  • -17° at night
  • 12 rainy days
  • 8 sunny days
  • 5 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 2 · low

Typical weather in March

Poor
  • -6° (feels like -11°) · extremes -22°–-1°
  • -14° at night
  • 15 rainy days
  • 10 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 3 · moderate

Typical weather in April

Poor
  • -2° (feels like -6°) · extremes -17°–5°
  • -9° at night
  • 16 rainy days
  • 8 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 4 · moderate

Typical weather in May

Poor
  • 4° (feels like 0°) · extremes -10°–11°
  • -5° at night
  • 21 rainy days
  • 8 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 5 · moderate

Typical weather in June

Poor
  • 9° (feels like 6°) · extremes -6°–15°
  • 0° at night
  • 20 rainy days
  • 11 sunny days
  • 9 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 7 · high

Typical weather in July

Poor
  • 10° (feels like 7°) · extremes -4°–15°
  • 1° at night
  • 19 rainy days
  • 13 sunny days
  • 9 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 7 · high

Typical weather in August

Poor
  • 10° (feels like 8°) · extremes -4°–16°
  • 1° at night
  • 18 rainy days
  • 14 sunny days
  • 8 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 6 · high

Typical weather in September

Poor
  • 7° (feels like 3°) · extremes -8°–13°
  • -2° at night
  • 15 rainy days
  • 12 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 4 · moderate

Typical weather in October

Poor
  • 2° (feels like -2°) · extremes -12°–9°
  • -6° at night
  • 15 rainy days
  • 9 sunny days
  • 5 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 3 · moderate

Typical weather in November

Poor
  • -5° (feels like -9°) · extremes -21°–3°
  • -11° at night
  • 16 rainy days
  • 3 sunny days
  • 3 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 1 · low

Typical weather in December

Poor
  • -9° (feels like -13°) · extremes -25°–-4°
  • -16° at night
  • 15 rainy days
  • 2 sunny days
  • 3 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 1 · low

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

Practical information

Currency
Swiss Franc CHF CHF · Card payments · Widely accepted
Emergency numbers
112
Electricity
Type C / Type J
230 V · 50 Hz
Languages
German, French, Italian, Romansh
Tap water
Safe to drink
Driving side
Right
Calling code
+41
Learn more

Tours & Activities

Riverside Hotel
Taxi · 8 min
Aletsch Glacier
2h
Walk · 6 min
Corner Café
45 min
Walk · 18 min
Riverside Hotel

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Related destinations

Canton of Valais

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