Arizona monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Arizona
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 26.1 | 27.1 | 28.9 | 30 | 30.8 | 30.4 | 29.9 | 30.1 | 30 | 28.6 | 27.2 | 26.5 |
| °F | 79.1 | 80.7 | 83.9 | 85.9 | 87.4 | 86.8 | 85.8 | 86.1 | 86.1 | 83.6 | 80.9 | 79.6 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
Average rainfall & rainy days
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 187 | 142 | 95 | 72 | 97 | 179 | 191 | 189 | 206 | 281 | 323 | 262 |
| inches | 7.4 | 5.6 | 3.7 | 2.9 | 3.8 | 7 | 7.5 | 7.4 | 8.1 | 11 | 12.7 | 10.3 |
| Rainy days | 16 | 11 | 8 | 6 | 9 | 16 | 19 | 20 | 19 | 19 | 18 | 17 |
Average annual rainfall in Arizona: 2151.333mm (847 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Arizona
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 7.2 | 7.4 | 8.7 | 9.5 | 9.4 | 8.1 | 7.7 | 7.5 | 7.1 | 6.5 | 6.3 | 6.6 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 17.7 | 17.7 | 18.9 | 20 | 21.2 | 21.6 | 21.1 | 21.1 | 21.2 | 20.4 | 19.3 | 18.4 |
| Max °C | 26.4 | 27.3 | 29.1 | 30.2 | 31 | 30.7 | 30.1 | 30.3 | 30.3 | 28.9 | 27.4 | 26.7 |
| Min °F | 63.8 | 63.9 | 66 | 68 | 70.2 | 70.8 | 70 | 70 | 70.1 | 68.6 | 66.7 | 65 |
| Max °F | 71.6 | 72.5 | 75.2 | 77.2 | 79 | 79 | 78.1 | 78.3 | 78.3 | 76.3 | 73.9 | 72.5 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 27 | 27 | 27.3 | 28 | 28.6 | 29 | 29 | 29.3 | 29.5 | 29.2 | 28.4 | 27.6 |
| °F | 80.6 | 80.5 | 81.1 | 82.4 | 83.5 | 84.3 | 84.2 | 84.7 | 85.1 | 84.6 | 83.1 | 81.6 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 21 | 22 | 23 | 24 | 23 | 23 | 24 | 22 | 20 | 19 | 19 | 19 |
| mph | 13 | 14 | 15 | 15 | 14 | 14 | 15 | 14 | 12 | 12 | 12 | 12 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77% | 76% | 70% | 67% | 70% | 78% | 80% | 81% | 81% | 83% | 83% | 80% |
Other monthly averages
Arizona weather stats
| Hottest month: | May | 30.8°C 87.4°F |
|---|---|---|
| Driest month: | April | 72mm 2.8ins |
| Sunniest month: | April | 9.5hrs |
| Coldest month: | January | 26.1°C 79°F |
| Wettest month: | November | 323mm 12.7ins |
| Warmest sea: | September | 29.5°C 85.1°F |
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