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Aosta Valley

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Aosta Valley Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Aosta Valley year round climate

  • Spring (March–May): Average 46–61°F, mild but rainy climate, especially in May. Common activities: Hiking, exploring mountain towns. Recommended clothing: Warm jacket, waterproof clothing, comfortable hiking shoes.
  • Summer (June–August): Average 69–75°F, warm and dry climate, abundant sunshine. Common activities: Mountain climbing, trekking, enjoying outdoor activities. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 65–44°F, cool climate, moderate rainfall, pleasant scenery. Common activities: Leaf viewing, tasting local cuisine, visiting historical sites. Recommended clothing: Warm jacket, comfortable long pants, waterproof jacket.
  • Winter (December–February): Average 38–43°F, cold climate, possible snowfall. Common activities: Skiing, snowshoeing. Recommended clothing: Warm clothing, waterproof jacket, warm hat, gloves, scarf.

Aosta Valley climatological average

Annual average temperature: approx. 55.2°F / Annual rainfall: approx. 1313 mm / Summer humidity: 60%–70% / Rainiest month: May

Aosta Valley monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
37°F
48
February
43.3°F
69
March
46°F
161.2
April
51.4°F
100.6
May
61.2°F
216.4
June
69.4°F
104.6
July
75.7°F
59.1
August
74.3°F
80.7
September
65.7°F
88.5
October
59.7°F
141.9
November
44.8°F
114.5
December
38.3°F
128.6

Aosta Valley weather for the next seven days

12/21
Sunday
Light drizzle
33.8°F/26.3°F
12/22
Monday
Light drizzle
31.9°F/25.8°F
12/23
Tuesday
Freezing fog
31.7°F/27.2°F
12/24
Wednesday
Light freezing rain
33.6°F/21.9°F
12/25
Thursday
Patchy light drizzle
27.4°F/17.4°F
12/26
Friday
Partly Cloudy
26.9°F/13.9°F
12/27
Saturday
Sunny
35.6°F/14.6°F

Aosta Valley Frequently Asked Questions and Useful Information for Travel

When is the best season to go to Alta Valley?

The best months to visit Elta Valley are from mid-March to early October, when the sunshine is relatively abundant and there is a greater chance of seeing the light beams. Especially in summer, which has longer sunshine hours, this is the peak season in the Alta Valley. If you want to avoid the crowds, go in spring (end of March to early April) and autumn (end of September to early October).

Which is better, Alta Valle or Lower Alta Valley?

The Alta Alta Valley is suitable for photography enthusiasts and family travelers. The terrain is not difficult and the valley is flat. The Lower Elta Valley is suitable for adventurous people and requires climbing up and down.