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

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* 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

Aosta - weather forecast by months

Aosta weather in januaryAosta weather in februaryAosta weather in marchAosta weather in aprilAosta weather in mayAosta weather in juneAosta weather in julyAosta weather in augustAosta weather in septemberAosta weather in octoberAosta weather in novemberAosta weather in december

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)

    • Weather forecast in the closest to Aosta admin centers

    Weather forecast in the closest towns to Aosta

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    Frequently asked questions

    When is the best time to visit Aosta?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Aosta.
    What is the weather like in Aosta?
    See average temperature, rainfall and daylight hours for Aosta by month in the table above.
    How many sunny days does Aosta have?
    The monthly weather statistics above show sunshine and rainfall patterns for Aosta throughout the year.