Rainy days · Oklahoma
How often does it rain in Oklahoma City?
Oklahoma City gets its rain in spring bursts and spends the rest of the year bragging about the sky.
Oklahoma City gets measurable rain or snow on about 83 days a year, adding up to about 36 inches.
November usually brings Oklahoma City about 6 wet days and 1.7 inches. The wettest month is usually May, with about 10 wet days, and the driest is January, with about 5 wet days. That makes Oklahoma City number 108 of the 129 US cities we track, rainiest first.
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Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 5 | 1.3 |
| February | 6 | 1.4 |
| March | 7 | 2.5 |
| April | 8 | 3.6 |
| May | 10 | 5.3 |
| June | 9 | 4.5 |
| July | 6 | 3.6 |
| August | 7 | 3.6 |
| September | 7 | 3.7 |
| October | 8 | 3.3 |
| November | 6 | 1.7 |
| December | 6 | 1.8 |
Cities with about as many rainy days
- Flagstaff, Arizona: about 82 wet days a year
- Austin, Texas: about 84 wet days a year
- Denver, Colorado: about 82 wet days a year
Source: NOAA daily precipitation records for the Oklahoma City 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.