Best year time to visit Aosta

General weather information about Aosta

Average annual temperature is 13.4 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -11.7 °C

Number of sunny days: 168 days

Number of rainy days: 153 days

Number of snow days: 44 days

Look at detailed online map of Aosta

* Weather data for Aosta Italy is based on climate observations for 2026 year

Aosta air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.917.516.421.925.730.934.336.931.228.917.816.1
Average daytime temperature (°C)6.210.511.713.519.625.329.129.226.321.311.410.1
Average temperature (°C)2.05.87.69.014.920.523.823.921.117.27.56.3
Average night temperature (°C)-1.81.63.53.910.215.318.318.716.313.33.52.1
Absolute minimum temperature (°C)-11.2-11.7-3.4-2.16.19.212.89.610.34.5-7.3-8.0

Aosta monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.411.913.514.915.615.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)6.58.18.610.29.912.213.611.810.47.15.45.2
Precipitation (mm)612010759178945991127129193129
Sunny days162112136616191717817
Rainy days3212112524151213141210
Snow days12576000000104

Best time to visit Aosta:

The best time to visit Aosta during the most sunny months:

  • June — 12.2(h)
  • July — 13.6(h)
  • August — 11.8(h)

Months with the longest average daylight duration in Aosta:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Aosta is at

  • May — 178(mm)
  • November — 193(mm)