Typical August weather
Tucson
Arizona · August
99° days
75° nights
about 4 rainy days · 13½ hours of daylight
What to pack
- Swimsuit
- Sunscreen
- Water bottle
What August feels like
August keeps the storms coming and the desert stays visibly green, which is the prettiest the Sonoran gets all year. Storm timing is unreliable enough that locals just reroute and carry on; the lightning shows over the Rincons are worth being outside for, from a safe distance.
Expect about 4 days with real rain — enough to notice, not enough to plan around. Humidity stays comfortable; the air never feels heavy. Most afternoons push past 90°.
The numbers
| Typical high | 99° |
|---|---|
| Typical low | 75° |
| Days with real rain | 4 |
| Total rain | 2.0 in |
| Humidity | comfortable |
| Sunrise / sunset (mid-month) | 5:48 am / 7:08 pm |