What is the hottest month in Arlington?

August — average highs around 96° with lows near 78°.

What is the coldest month in Arlington?

January, when nights typically drop to 38° and days top out near 57°.

What is the rainiest month in Arlington?

May, averaging about 7.4 in of precipitation; the driest is July at roughly 2.4 in.

How warm is Arlington over the year?

The annual mean is 69°, with about 49 in of precipitation in a typical year (1991-2020 normals).

Arlington Climate — Monthly Normals 1991-2020

Climate in Arlington

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

Annual mean temp

20.3°C

average across 12 months

Annual precipitation

1233 mm

yearly total

Warmest month

Aug

⌀ max 35°C

Coldest month

Jan

⌀ min 3°C

Temperatures by month

typical high (orange) · typical low (blue)

Jan

38° … 57°

Feb

41° … 61°

Mar

51° … 72°

Apr

57° … 77°

May

66° … 84°

Jun

74° … 92°

Jul

78° … 96°

Aug

78° … 96°

Sep

72° … 90°

Oct

61° … 80°

Nov

49° … 68°

Dec

45° … 62°

Precipitation by month

monthly totals across the year

Jan

71 mm

Feb

90 mm

Mar

106 mm

Apr

133 mm

May

187 mm

Jun

109 mm

Jul

61 mm

Aug

73 mm

Sep

95 mm

Oct

151 mm

Nov

83 mm

Dec

74 mm

The short version

RegionTexas

Latitude32.7357°N

Annual mean20.3°C

Annual precipitation1233 mm

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Source · 1991-2020 normals

Arlington, TX Climate