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

How today compares

Latest recorded day: 2026-07-24. Each reading placed on Mesa, Arizona, United States's own ±7-day seasonal distribution.

High 115°F Very High · 99th pct

Low 90°F Very High · 98th pct

Feels-like 122°F Very High · 90th pct

Humidity 11.7 g/m³ Normal · 42nd pct

Wind 7 mph Very Low · 9th pct

Gust 18 mph Below Normal · 37th pct

Precip 0.00 in Dry

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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

Jan 34°–75°

Feb 38°–80°

Mar 42°–87°

Apr 48°–95°

May 58°–101°

Jun 67°–109°

Jul 77°–111°

Aug 75°–108°

Sep 67°–104°

Oct 54°–97°

Nov 42°–85°

Dec 35°–74°

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

All Mesa weather records →

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 →