Rainy days · Arizona
How often does it rain in Tucson?
Tucson’s rain all piles into the summer afternoons, then the desert goes back to pretending it never happened.
Tucson gets measurable rain or snow on about 47 days a year, adding up to about 11 inches.
November usually brings Tucson about 3 wet days and 0.6 inches. The wettest month is usually July, with about 9 wet days, and the driest is May, with about 1 wet day. That makes Tucson number 125 of the 129 US cities we track, rainiest first.
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Rain is 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 | 4 | 0.8 |
| February | 4 | 0.8 |
| March | 3 | 0.6 |
| April | 2 | 0.2 |
| May | 1 | 0.2 |
| June | 2 | 0.2 |
| July | 9 | 2.2 |
| August | 9 | 2.0 |
| September | 4 | 1.3 |
| October | 3 | 0.7 |
| November | 3 | 0.6 |
| December | 4 | 1.0 |
Cities with about as many rainy days
- El Paso, Texas: about 48 wet days a year
- Fresno, California: about 47 wet days a year
- Reno, Nevada: about 51 wet days a year
Source: NOAA daily precipitation records for the Tucson 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.