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 7.8–16.2°C, 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 20.8–24.3°C, 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 18.7–7.1°C, 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 3.5–6.3°C, 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. 12.9°C / Annual rainfall: approx. 1313 mm / Summer humidity: 60%–70% / Rainiest month: May
Aosta Valley monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
2.8°C
48
February
6.3°C
69
March
7.8°C
161.2
April
10.8°C
100.6
May
16.2°C
216.4
June
20.8°C
104.6
July
24.3°C
59.1
August
23.5°C
80.7
September
18.7°C
88.5
October
15.4°C
141.9
November
7.1°C
114.5
December
3.5°C
128.6
Aosta Valley weather for the next seven days
12/21
Sunday
Light drizzle
1°C/-3.2°C
12/22
Monday
Light drizzle
-0.1°C/-3.5°C
12/23
Tuesday
Freezing fog
-0.2°C/-2.7°C
12/24
Wednesday
Light freezing rain
0.9°C/-5.6°C
12/25
Thursday
Patchy light drizzle
-2.6°C/-8.1°C
12/26
Friday
Partly Cloudy
-2.8°C/-10.1°C
12/27
Saturday
Sunny
2°C/-9.7°C
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