Best year time to visit Casper

General weather information about Casper

Average annual temperature is 7.6 °C

Absolute maximum temperature: 37.4 °C

Absolute minimum temperature: -27.8 °C

Number of sunny days: 208

Number of rainy days: 103

Number of snow days: 54

Average annual precipitation: 546 mm

Look at detailed online map of Casper

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

Casper air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 4.7 5.3 10.5 19 25.5 29.4 37.4 35.5 32.3 26.8 16.1 11.5
Average daytime temperature (°C) -2.3 -0.5 2.6 9.4 20.2 22.4 30.8 29.3 25.8 15.5 8.7 5.1
Average temperature (°C) -5.1 -5.1 -3.1 3.7 13.7 15.9 22 21.2 17.3 7.7 2.8 -0.3
Average night temperature (°C) -8.2 -8.6 -7.7 -1 7.6 10.6 13.7 13.9 10.2 1.8 -1.7 -4.4
Absolute minimum temperature (°C) -26.9 -27.8 -16 -9.7 3.9 6.7 8.3 8.4 5.2 -8.8 -16.7 -13.2

Casper monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 9.9 11.2 12.7 14.1 15.1 15.4 15.3 14.5 13.2 11.8 10.3 9.3
Daylight mean duration (h) 9.4 10.5 11.9 13.4 14.7 15.3 15 13.9 12.5 11.1 9.8 9.1
Daylight minimum duration (h) 9.1 10 11.2 12.7 14.1 15.1 14.6 13.2 11.8 10.4 9.3 9
Sunshine mean duration (h) 5.5 8.1 9.3 10.5 12 10.6 12.7 11.7 11.1 8.8 7.5 7.3
Precipitation (mm) 60 31 18 68 83 117 6 52 27 63 16 6
Sunny days 13 16 16 16 10 10 20 15 23 22 23 24
Rainy days 2 2 2 8 21 20 11 16 7 8 5 1
Snow days 16 10 13 6 1 2 6

Casper - weather forecast by months

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

Best time to visit Casper:

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

  • July — 12.7(h)

Months with the longest average daylight duration in Casper:

  • June — 15.3(h)

The largest precipitation sum in Casper is at

  • January — 60(mm)
  • April — 68(mm)
  • May — 83(mm)
  • June — 117(mm)
  • October — 63(mm)

Weather forecast in the closest to Casper admin centers