Best year time to visit Thornton

General weather information about Thornton

Average annual temperature is 8.6 °C

Absolute maximum temperature: 34.3 °C

Absolute minimum temperature: -25.0 °C

Number of sunny days: 183 days

Number of rainy days: 148 days

Number of snow days: 34 days

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

Thornton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.28.17.726.433.332.932.133.234.328.116.211.4
Average daytime temperature (°C)-1.20.73.112.921.427.127.726.223.214.46.74.0
Average temperature (°C)-5.0-4.6-2.06.614.420.521.720.517.810.12.20.4
Average night temperature (°C)-8.3-9.0-6.41.68.314.516.015.713.76.8-1.3-2.1
Absolute minimum temperature (°C)-25.0-24.8-13.5-9.3-0.96.412.79.07.4-4.3-11.6-8.6

Thornton 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)9.210.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.76.76.97.610.112.412.910.88.56.26.34.5
Precipitation (mm)50627113724834366621131630
Sunny days16111411212313151292018
Rainy days778181071816182199
Snow days8109100000114

Thornton - weather forecast by months

Thornton weather in januaryThornton weather in februaryThornton weather in marchThornton weather in aprilThornton weather in mayThornton weather in juneThornton weather in julyThornton weather in augustThornton weather in septemberThornton weather in octoberThornton weather in novemberThornton weather in december

Best time to visit Thornton:

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

  • June — 12.4(h)
  • July — 12.9(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Thornton:

  • June — 15.5(h)

The largest precipitation sum in Thornton is at

  • April — 137(mm)
  • June — 83(mm)
  • October — 113(mm)

    • Weather forecast in the closest to Thornton admin centers

    Weather forecast in the closest towns to Thornton

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    Frequently asked questions

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