What is the hottest month in Mesa, AZ?

July is the warmest month, with a normal high of 106°F at Tempe Asu.

What is the coldest month in Mesa, AZ?

December is the coldest month, with a normal low of 38°F.

What is the wettest month in Mesa, AZ?

August has the most precipitation on average, about 1.30 inches.

Checked Oct 25, 2026

Mesa, AZ Climate

1991 to 2020 normals at Tempe Asu, 7.7 mi from the center of Mesa, elevation 1167 ft.

Average weather by month

Select a month for daily normals and last year's weather

Month	High	Low	Precip.
January	71°	39°	1.04 in
February	74°	41°	1.12 in
March	80°	46°	0.96 in
April	87°	51°	0.23 in
May	95°	59°	0.18 in
June	104°	67°	0.06 in
July	106°	76°	0.99 in
August	105°	75°	1.30 in
September	101°	69°	0.71 in
October	91°	56°	0.61 in
November	79°	45°	0.65 in
December	69°	38°	0.95 in
Year	88°		8.80 in

Frequently asked questions

What is the hottest month in Mesa, AZ?: July is the warmest month, with a normal high of 106°F at Tempe Asu.
What is the coldest month in Mesa, AZ?: December is the coldest month, with a normal low of 38°F.
What is the wettest month in Mesa, AZ?: August has the most precipitation on average, about 1.30 inches.

Today

Mesa, AZ forecast

Data sources

U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
U.S. Climate Normals 1991-2020 (daily) and GHCN-Daily via Access Data ServiceNOAA National Centers for Environmental Information

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About this data

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Climate normals are 30-year averages measured at one weather station, which may be miles from the place named here or at a different elevation.

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