Rainy days · North Dakota
How often does it rain in Bismarck?
Bismarck saves most of its rain for June, then acts like it was never thirsty.
Bismarck gets measurable rain or snow on about 100 days a year, adding up to about 19 inches.
November usually brings Bismarck about 7 wet days and 0.7 inches. The wettest month is usually June, with about 12 wet days, and the driest is November, with about 7 wet days. That makes Bismarck number 95 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 | 8 | 0.5 |
| February | 8 | 0.5 |
| March | 8 | 0.8 |
| April | 8 | 1.3 |
| May | 10 | 2.5 |
| June | 12 | 3.4 |
| July | 10 | 3.1 |
| August | 8 | 2.5 |
| September | 7 | 1.7 |
| October | 7 | 1.4 |
| November | 7 | 0.7 |
| December | 8 | 0.6 |
Cities with about as many rainy days
- Shreveport, Louisiana: about 101 wet days a year
- Cheyenne, Wyoming: about 101 wet days a year
- Great Falls, Montana: about 98 wet days a year
Source: NOAA daily precipitation records for the Bismarck 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.