Yearly weather and climate in Phoenix, United States
The yearly weather in Phoenix runs from around 5°C in January to 44°C in July. May is the driest month at 0 rainy days; January the wettest at 6. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in Mar, Apr, May, Oct, Nov, with mild temperatures and lower rainfall.
Sunshine
Expect up to 12.9 hours of clear skies in Jun, but only 7.7 hours in Jan. Pack sunglasses and SPF accordingly.
Rainfall
Rainfall peaks in Jan (57mm), but it's generally moderate. A light travel umbrella should be enough.
Day-to-night swings
Temperatures typically drop by 14°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Phoenix, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 1762°540°6Jan
- 2067°744°6Feb
- 2271°948°5Mar
- 3085°1457°1Apr
- 3594°2067°0May
- 40104°2577°0Jun
- 44111°3187°1Jul
- 41106°2984°3Aug
- 39102°2476°2Sep
- 3493°1865°1Oct
- 2475°1050°2Nov
- 2170°745°2Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. May is typically driest at 0 days (0mm); Jan the wettest at 6 days (57mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 17°C | 5°C | 6 | 57mm |
| Feb | 20°C | 7°C | 6 | 42mm |
| Mar | 22°C | 9°C | 5 | 52mm |
| Apr | 30°C | 14°C | 1 | 3mm |
| May | 35°C | 20°C | 0 | 0mm |
| Jun | 40°C | 25°C | 0 | 0mm |
| Jul | 44°C | 31°C | 1 | 3mm |
| Aug | 41°C | 29°C | 3 | 18mm |
| Sep | 39°C | 24°C | 2 | 7mm |
| Oct | 34°C | 18°C | 1 | 4mm |
| Nov | 24°C | 10°C | 2 | 13mm |
| Dec | 21°C | 7°C | 2 | 19mm |
Weather data by Open-Meteo.com
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