Best year time to visit Gillette

General weather information about Gillette

Average annual temperature is 23.2 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: 3.6 °C

Number of sunny days: 135 days

Number of rainy days: 230 days

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

Gillette air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)26.728.330.032.032.435.334.335.533.032.130.227.9
Average daytime temperature (°C)21.724.625.928.029.229.832.332.831.228.625.622.0
Average temperature (°C)17.019.921.323.424.726.228.528.526.624.120.617.8
Average night temperature (°C)13.616.417.519.820.923.124.824.622.620.216.614.6
Absolute minimum temperature (°C)3.610.09.016.317.520.722.922.920.412.88.47.4

Gillette monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.611.212.012.813.513.913.713.112.311.510.810.4
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)8.79.910.510.612.311.511.511.310.89.98.46.9
Precipitation (mm)3117189963173128189974529103
Sunny days1820137141234191519
Rainy days13818231729292826121512
Snow days000000000000

Gillette - weather forecast by months

Gillette weather in januaryGillette weather in februaryGillette weather in marchGillette weather in aprilGillette weather in mayGillette weather in juneGillette weather in julyGillette weather in augustGillette weather in septemberGillette weather in octoberGillette weather in novemberGillette weather in december

Best time to visit Gillette:

The largest precipitation sum in Gillette is at

  • June — 173(mm)
  • July — 128(mm)
  • August — 189(mm)

    • Weather forecast in the closest to Gillette admin centers

    Weather forecast in the closest towns to Gillette

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    Frequently asked questions

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