Weather in Phoenix in August
In an average August, Phoenix sees a daily high around 104°F and a low around 82°F, based on 1980–2026 of local climate records.
| Average high | 104°F |
|---|---|
| Typical high range | 97°F to 110°F |
| Average low | 82°F |
| Typical low range | 76°F to 87°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
116°F
2025-08-07
Lowest
82°F
1990-08-15
Low
Highest
92°F
2024-08-06
Lowest
66°F
1990-08-23
Feels-like
Highest
150°F
1988-08-25
Lowest
88°F
1990-08-15
Humidity
Highest
24.9 g/m³
1988-08-25
Lowest
2.9 g/m³
2009-08-08
Wind
Highest
23 mph
2019-08-06
Lowest
4 mph
2014-08-23
Gust
Highest
40 mph
1982-08-07
Lowest
8 mph
1992-08-26
Precip
Wettest
5.65 in
1992
Driest
0.04 in
2011
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