Best year time to visit Town of Alton

General weather information about Town of Alton

Average annual temperature is 9.4 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -28.9 °C

Number of sunny days: 159 days

Number of rainy days: 183 days

Number of snow days: 23 days

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* Weather data for Town of Alton United States is based on climate observations for 2026 year

Town of Alton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.010.710.027.430.732.530.926.531.027.616.513.3
Average daytime temperature (°C)3.02.04.813.419.621.626.423.622.216.97.05.6
Average temperature (°C)-0.4-3.50.77.813.316.822.219.518.012.72.91.7
Average night temperature (°C)-3.5-7.9-2.93.88.113.118.816.114.89.4-0.2-0.9
Absolute minimum temperature (°C)-11.1-28.9-7.6-3.51.78.014.412.89.41.4-5.8-7.9

Town of Alton monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.16.57.47.711.58.110.09.68.26.86.64.3
Precipitation (mm)1534297961181772561771518460167
Sunny days812151420551216152215
Rainy days14101116112526191416615
Snow days965000000021

Town of Alton - weather forecast by months

Town of Alton weather in januaryTown of Alton weather in februaryTown of Alton weather in marchTown of Alton weather in aprilTown of Alton weather in mayTown of Alton weather in juneTown of Alton weather in julyTown of Alton weather in augustTown of Alton weather in septemberTown of Alton weather in octoberTown of Alton weather in novemberTown of Alton weather in december

Best time to visit Town of Alton:

The best time to visit Town of Alton during the most sunny months:

  • May — 11.5(h)
  • July — 10.0(h)
  • August — 9.6(h)

Months with the longest average daylight duration in Town of Alton:

  • June — 15.4(h)

The largest precipitation sum in Town of Alton is at

  • June — 177(mm)
  • July — 256(mm)
  • August — 177(mm)
  • December — 167(mm)

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    Frequently asked questions

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