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Climate and Average Weather Year Round in Phoenix Arizona, United States. In Phoenix, the summers are sweltering and dry, the winters are cool, and it is mostly clear year round. Over the course of the year, the temperature typically varies from 45°F to 107°F and is rarely below 37°F or above 112°F.
Average High in March: 77° F/25° C. Average Low in March: 54° F/12° C. Average Monthly Rainfall: ~1 inch. Record High: 100° F/ 37° C. Record Low: 25° F/-4° C. What to Pack for the Phoenix Weather in March. The Phoenix weather in March is the transition from our spring like weather to early summer.
Averages are for Phoenix Sky Harbor International Airport, which is 4 miles from Phoenix. Based on weather reports collected during 1992–2021. Showing: All Year January February March April May June July August September October November December
March. 2024. Daily. S. M. T. W. T. F. S. 25. 67°. 45°. 26. 66°. 45°. 27. 67°. 46°. 28. 66°. 46°. 29. 65°. 45°. 1. 66°. 45°. 2. 67°. 46°. 3. 66°. 46°. 67°. 47°. 5. 68°. 47°.
January, February, March, April, October, November and December typically offer the most optimal weather. In contrast, August tends to have less optimal conditions. For an in-depth look at the yearly conditions, visit our specialized Phoenix climate page with graphs . Phoenix, monthly averages in March. Min Temperature 11°C. Max Temperature 26°C.
During March to May, Phoenix begins its transition from mild to hot weather. Temperatures gradually escalate with average highs jumping from 76.1°F (24.5°C) in March to 90.9°F (32.7°C) in May. Corresponding lows also rise from 55.9°F (13.3°C) to 67.6°F (19.8°C).
