Best year time to visit Upper Alton

General weather information about Upper Alton

Average annual temperature is 14.4 °C

Absolute maximum temperature: 37.3 °C

Absolute minimum temperature: -11.4 °C

Number of sunny days: 198 days

Number of rainy days: 162 days

Number of snow days: 5 days

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

Upper Alton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.519.622.728.332.034.237.336.832.429.926.117.4
Average daytime temperature (°C)8.010.912.620.325.829.731.429.526.920.013.69.6
Average temperature (°C)3.34.86.713.719.523.625.824.721.515.28.35.5
Average night temperature (°C)0.20.62.38.314.218.121.320.717.011.24.02.7
Absolute minimum temperature (°C)-11.4-11.0-7.61.86.411.917.813.911.3-0.6-5.7-4.8

Upper Alton monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.814.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.07.56.710.211.312.612.310.110.47.87.65.3
Precipitation (mm)646322678112106104163537916101
Sunny days15161517181891218202317
Rainy days12111613131222191211714
Snow days410000000000

Upper Alton - weather forecast by months

Upper Alton weather in januaryUpper Alton weather in februaryUpper Alton weather in marchUpper Alton weather in aprilUpper Alton weather in mayUpper Alton weather in juneUpper Alton weather in julyUpper Alton weather in augustUpper Alton weather in septemberUpper Alton weather in octoberUpper Alton weather in novemberUpper Alton weather in december

Best time to visit Upper Alton:

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

  • May — 11.3(h)
  • June — 12.6(h)
  • July — 12.3(h)

The largest precipitation sum in Upper Alton is at

  • March — 226(mm)
  • August — 163(mm)

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    Frequently asked questions

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