Rainy days · Wyoming
How often does it rain in Cheyenne?
Cheyenne gets so little rain the wind usually blows it to Nebraska before it lands.
Cheyenne gets measurable rain or snow on about 101 days a year, adding up to about 15 inches.
November usually brings Cheyenne about 6 wet days and 0.6 inches. The wettest month is usually May, with about 13 wet days, and the driest is January, with about 5 wet days. That makes Cheyenne number 93 of the 129 US cities we track, rainiest first.
Last updated
No rain in the forecast for the next 48 hours.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 5 | 0.3 |
| February | 7 | 0.5 |
| March | 8 | 0.9 |
| April | 11 | 1.8 |
| May | 13 | 2.4 |
| June | 11 | 2.2 |
| July | 11 | 2.1 |
| August | 10 | 1.5 |
| September | 7 | 1.5 |
| October | 7 | 1.0 |
| November | 6 | 0.6 |
| December | 6 | 0.5 |
Cities with about as many rainy days
- Shreveport, Louisiana: about 101 wet days a year
- Sioux City, Iowa: about 102 wet days a year
- Omaha, Nebraska: about 103 wet days a year
Source: NOAA daily precipitation records for the Cheyenne area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.