What is the hottest month in Mesa?

July — average highs around 107° with lows near 85°.

What is the coldest month in Mesa?

January, when nights typically drop to 44° and days top out near 67°.

What is the rainiest month in Mesa?

July, averaging about 1.5 in of precipitation; the driest is May at roughly 0.0 in.

How warm is Mesa over the year?

The annual mean is 75°, with about 12 in of precipitation in a typical year (1991-2020 normals).

Mesa Climate — Monthly Normals 1991-2020

Climate in Mesa

The typical year in Mesa (Arizona), from 1991-2020 normals. For what's happening now, see the current forecast; a month ahead — the 30-day outlook.

Annual mean temp

24.1°C

average across 12 months

Annual precipitation

307 mm

yearly total

Warmest month

Jul

⌀ max 41°C

Coldest month

Jan

⌀ min 6°C

Temperatures by month

typical high (orange) · typical low (blue)

Jan

7° … 19°

Feb

8° … 21°

Mar

11° … 25°

Apr

16° … 31°

May

20° … 35°

Jun

26° … 41°

Jul

29° … 42°

Aug

29° … 41°

Sep

25° … 38°

Oct

18° … 32°

Nov

12° … 25°

Dec

8° … 20°

Precipitation by month

monthly totals across the year

Jan

31 mm

Feb

32 mm

Mar

36 mm

Apr

3 mm

May

1 mm

Jun

7 mm

Jul

38 mm

Aug

31 mm

Sep

33 mm

Oct

32 mm

Nov

29 mm

Dec

34 mm

The short version

RegionArizona

Latitude33.4223°N

Annual mean24.1°C

Annual precipitation307 mm

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Source · 1991-2020 normals

Mesa, AZ Climate