Weather Forecast for Aosta

Valle d'Aosta, Italy

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Fog

Current Weather - Aosta: -8°C

Valle d'Aosta, Italy

Fog

Feels like -9°C

Wind

4 km/h SSE

Humidity

92%

Pressure

1020 mb

UV Index

0

Visibility

0 km

Light freezing rain

Light freezing rain

Wednesday, December 17, 2025

High

2°C

Low

-3°C

Rain Chance

86%

Hourly Forecast

Fog -8°C
16:00
Freezing fog -1°C
17:00
Freezing fog -2°C
18:00
Light freezing rain -3°C
19:00
Light freezing rain -2°C
20:00
Freezing fog -2°C
21:00
Freezing fog -2°C
22:00
Light freezing rain -3°C
23:00
Dec 18

Day Statistics

Maximum Wind

4 km/h

Humidity

94%

Precipitation

1 mm

UV Index

0

Visibility

7 km

Rain Chance

86%

Snow Chance

54%

Sun & Moon

Sunrise

08:06 AM

Sunset

04:47 PM

Moonrise

05:55 AM

Moonset

02:32 PM

Moon Phase

Waning Crescent

Moon Illumination

8%

Air Quality

PM2.5

12.3

μg/m³

PM10

14

μg/m³

NO₂

11.8

μg/m³

O₃

43

μg/m³

SO₂

1.4

μg/m³

CO

194.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

139.86

Diffuse Radiation

66.92

DNI

333.32

GTI

0

When to visit Aosta?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: February March August

January

☀️
-5°C
💧
15 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month

February

☀️
-3°C
💧
13 Days of rain
❄️
Very heavy snowfall
Best time to visit
🌵 Driest month

March

☀️
1°C
💧
14 Days of rain
❄️
Very heavy snowfall
Best time to visit

April

☀️
4°C
💧
15 Days of rain
❄️
Very heavy snowfall

May

☀️
9°C
💧
17 Days of rain
❄️
Very heavy snowfall

June

☀️
15°C
💧
16 Days of rain
❄️
Very heavy snowfall

July

☀️
17°C
💧
15 Days of rain
❄️
Moderate snowfall
🔥 Hottest month

August

☀️
17°C
💧
13 Days of rain
❄️
Moderate snowfall
Best time to visit

September

☀️
13°C
💧
14 Days of rain
❄️
Very heavy snowfall

October

☀️
8°C
💧
15 Days of rain
❄️
Very heavy snowfall

November

☀️
1°C
💧
19 Days of rain
❄️
Very heavy snowfall
🌧 Wettest month,

December

☀️
-4°C
💧
17 Days of rain
❄️
Very heavy snowfall