Mesa, Arizona, United States climate
Average temperatures, precipitation and all-time records for Mesa, Arizona, United States, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 105°F, and its coldest is January, with an average low of 42°F.
Mesa is a city in Maricopa County, Arizona, United States. The population was 504,258 at the 2020 census. It is the third-most populous city in Arizona, after Phoenix and Tucson, the 38th-most populous city in the U.S., and the most populous city that is not a county seat. via Wikipedia
Mesa average temperatures by month
Typical daily high and low, and average precipitation, for each month in Mesa, Arizona, United States, based on 1980–2026 records. The wettest month is February (0.10 in on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 66°F | 42°F | 0.00 in |
| February | 70°F | 45°F | 0.10 in |
| March | 77°F | 50°F | 0.00 in |
| April | 85°F | 56°F | 0.00 in |
| May | 93°F | 65°F | 0.00 in |
| June | 103°F | 74°F | 0.00 in |
| July | 105°F | 83°F | 0.00 in |
| August | 103°F | 81°F | 0.00 in |
| September | 98°F | 74°F | 0.00 in |
| October | 88°F | 61°F | 0.00 in |
| November | 76°F | 50°F | 0.00 in |
| December | 65°F | 42°F | 0.00 in |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 118°F on 1990-06-27
- Coldest day on record: 22°F on 1990-12-23
Percentiles compare each day to Mesa, Arizona, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →