Tempe, AZ Weather & Climate Normals
Tempe's real weather, in one number
Tempe, 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.
Tempe's hottest and coldest months
Tempe's hottest month is Jul, averaging 91°F; its coldest is Dec, averaging 54°F, a 37.4°F swing across the year, a middling gap by national standards.
Rain and snow in Tempe
Tempe averages 8.8in of precipitation a year across roughly 34 days with measurable rain or snow, and 0in of snow a year.
Where Tempe ranks
Tempe ranks 1637 of 4876 US cities in this dataset for comfort score, and 23 of 57 within AZ. About 190,114 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from TEMPE ASU, AZ US, 2.6 miles from Tempe, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure