What is the hottest month in Gilbert?

July — average highs around 42° with lows near 28°.

What is the coldest month in Gilbert?

January, when nights typically drop to 6° and days top out near 20°.

What is the rainiest month in Gilbert?

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

How warm is Gilbert over the year?

The annual mean is 24°, with about 12 in of precipitation in a typical year (1991-2020 normals).

Gilbert Climate — Monthly Normals 1991-2020

Climate in Gilbert

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

Annual mean temp

23.8°C

average across 12 months

Annual precipitation

304 mm

yearly total

Warmest month

Jul

⌀ max 42°C

Coldest month

Jan

⌀ min 6°C

Temperatures by month

typical high (orange) · typical low (blue)

Jan

6° … 20°

Feb

7° … 22°

Mar

10° … 25°

Apr

15° … 31°

May

19° … 35°

Jun

25° … 41°

Jul

28° … 42°

Aug

28° … 41°

Sep

25° … 39°

Oct

17° … 32°

Nov

11° … 25°

Dec

7° … 20°

Precipitation by month

monthly totals across the year

Jan

30 mm

Feb

33 mm

Mar

35 mm

Apr

4 mm

May

1 mm

Jun

7 mm

Jul

38 mm

Aug

29 mm

Sep

31 mm

Oct

32 mm

Nov

28 mm

Dec

36 mm

The short version

RegionArizona

Latitude33.3528°N

Annual mean23.8°C

Annual precipitation304 mm

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Weather map — Gilbert

Gilbert →

Source · 1991-2020 normals

Gilbert, AZ Climate