Best year time to visit Gillette

General weather information about Gillette

Average annual temperature is 8.3 °C

Absolute maximum temperature: 37 °C

Absolute minimum temperature: -30.7 °C

Number of sunny days: 197

Number of rainy days: 113

Number of snow days: 55

Average annual precipitation: 477 mm

Look at detailed online map of Gillette

* Weather data for Gillette United States is based on climate observations for 2023 year

Gillette air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 8.1 7.8 12.8 21.6 27.3 31.1 37 36.3 33.1 24.1 17.5 14.9
Average daytime temperature (°C) 0.6 1.4 2.7 11.6 21.1 23 29.1 28.4 23.8 14.3 10.4 6.2
Average temperature (°C) -3.4 -4.5 -3 4.8 14.7 16.8 22.2 21.6 16.9 7.2 4.2 0.8
Average night temperature (°C) -6.2 -8.4 -7.2 -0.3 8.9 11.8 15.7 15.8 11.6 2.6 -0.2 -2.7
Absolute minimum temperature (°C) -28.5 -30.7 -13.7 -10 2.9 8.1 7.7 10.1 8.2 -13.3 -13.2 -12.4

Gillette monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 9.8 11.1 12.7 14.2 15.3 15.5 15.5 14.6 13.3 11.7 10.2 9.1
Daylight mean duration (h) 9.3 10.5 11.9 13.5 14.8 15.5 15.1 14 12.5 11 9.6 8.9
Daylight minimum duration (h) 8.9 9.8 11.2 12.8 14.2 15.3 14.7 13.3 11.8 10.3 9.1 8.9
Sunshine mean duration (h) 6.1 7.9 8.2 11 12.2 10.8 13.4 11.7 11 8.6 7.8 6.7
Precipitation (mm) 25 37 36 24 78 89 22 42 87 23 7 8
Sunny days 17 16 9 18 7 6 16 21 19 20 26 22
Rainy days 2 1 6 6 24 24 15 10 11 8 3 3
Snow days 12 11 16 6 3 1 6

Gillette - weather forecast by months

January February March April May June July August September October November December

Best time to visit Gillette:

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

  • May — 12.2(h)
  • July — 13.4(h)

Months with the longest average daylight duration in Gillette:

  • June — 15.5(h)

The largest precipitation sum in Gillette is at

  • May — 78(mm)
  • June — 89(mm)
  • September — 87(mm)

Weather forecast in the closest to Gillette admin centers