Cheyenne (WY) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Cheyenne (Wyoming). The numbers are calculated over a 30-year period to provide a reliable average.
- Cheyenne has dry periods in January, February, March, November and December.
- On average, May is the wettest month with 68 mm of precipitation.
- On average, January is the driest month with 8 mm of precipitation.
- The average amount of annual precipitation is 436 mm.
Current rainfall in Cheyenne (WY)
broken clouds and no rain
broken clouds and no rain
broken clouds and slight snow