Phoenix, AZ Weather & Climate Normals
Phoenix's real weather, in one number
Phoenix, AZ scores 50/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Phoenix's hottest and coldest months
Phoenix's hottest month is Jul, averaging 92°F; its coldest is Dec, averaging 53°F, a 39.1°F swing across the year, a middling gap by national standards.
Phoenix's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 65°F | 44°F | 1.17in |
| Feb | 68°F | 46°F | 1.21in |
| Mar | 75°F | 51°F | 1.09in |
| Apr | 83°F | 57°F | 0.35in |
| May | 92°F | 65°F | 0.19in |
| Jun | 102°F | 73°F | 0.03in |
| Jul | 104°F | 81°F | 0.81in |
| Aug | 103°F | 81°F | 0.96in |
| Sep | 98°F | 75°F | 0.71in |
| Oct | 86°F | 63°F | 0.67in |
| Nov | 74°F | 51°F | 0.9in |
| Dec | 64°F | 43°F | 0.81in |
Feb, Mar, Apr, Oct, and Nov are the best time to see Phoenix at its mildest; the rest of the year, plan around Jul's heat and Dec's cold.
Rain and snow in Phoenix
Over a typical year, Phoenix sees about 8.9in of precipitation a year across roughly 35 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Phoenix ranks
Phoenix ranks 1629 of 4876 US cities in this dataset for comfort score, and 20 of 57 within AZ. About 1,673,164 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Phoenix Deer Valley Muni Ap, AZ US, 8.0 miles from Phoenix, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is