Rainy days · Oklahoma
How often does it rain in Tulsa?
Tulsa’s spring rain comes in loud, and the summer sun comes back even louder.
Tulsa gets measurable rain or snow on about 94 days a year, adding up to about 41 inches.
November usually brings Tulsa about 7 wet days and 2.6 inches. The wettest month is usually May, with about 11 wet days, and the driest is January, with about 6 wet days. That makes Tulsa number 100 of the 129 US cities we track, rainiest first.
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Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 6 | 1.6 |
| February | 7 | 1.6 |
| March | 9 | 3.1 |
| April | 9 | 4.4 |
| May | 11 | 5.7 |
| June | 9 | 4.7 |
| July | 7 | 3.8 |
| August | 7 | 3.4 |
| September | 8 | 3.9 |
| October | 8 | 3.8 |
| November | 7 | 2.6 |
| December | 7 | 2.4 |
Cities with about as many rainy days
- Lincoln, Nebraska: about 95 wet days a year
- Rapid City, South Dakota: about 96 wet days a year
- Helena, Montana: about 92 wet days a year
Source: NOAA daily precipitation records for the Tulsa area, 1991 to 2020 (at least 29 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.