Phoenix, Arizona, USA: Annual Weather Averages
July is the hottest month in Phoenix with an average temperature of 91°F (33°C) and the coldest is January at 54°F (12°C) with the most daily sunshine hours at 14 in June. The wettest month is August with an average of 32mm of rain.
Average Temperature: Phoenix
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 12 | 14 | 16 | 20 | 25 | 30 | 33 | 32 | 29 | 23 | 16 | 12 |
| °F | 54 | 57 | 61 | 68 | 77 | 86 | 91 | 90 | 84 | 73 | 61 | 54 |
Average High/Low Temperature: Phoenix
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 19 | 21 | 24 | 29 | 34 | 39 | 41 | 40 | 37 | 31 | 24 | 19 |
| High °F | 66 | 70 | 75 | 84 | 93 | 102 | 106 | 104 | 99 | 88 | 75 | 66 |
| Low °C | 4 | 6 | 8 | 11 | 16 | 20 | 25 | 24 | 21 | 14 | 8 | 4 |
| Low °F | 39 | 43 | 46 | 52 | 61 | 68 | 77 | 75 | 70 | 57 | 46 | 39 |
Average Rainfall: Phoenix
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 24 | 21 | 26 | 7 | 4 | 3 | 22 | 32 | 23 | 17 | 20 | 25 |
| Days | 4 | 4 | 4 | 2 | 2 | 1 | 5 | 5 | 3 | 3 | 3 | 4 |
Average Daily Sunshine Hours: Phoenix
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 9 | 9 | 11 | 12 | 13 | 14 | 12 | 12 | 11 | 10 | 9 | 8 |