What is the hottest month in Brownsville?

August — average highs around 93° with lows near 80°.

What is the coldest month in Brownsville?

January, when nights typically drop to 56° and days top out near 71°.

What is the rainiest month in Brownsville?

September, averaging about 5.9 in of precipitation; the driest is February at roughly 1.4 in.

How warm is Brownsville over the year?

The annual mean is 77°, with about 33 in of precipitation in a typical year (1991-2020 normals).

Brownsville Climate — Monthly Normals 1991-2020

Climate in Brownsville

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

Annual mean temp

24.8°C

average across 12 months

Annual precipitation

849 mm

yearly total

Warmest month

Aug

⌀ max 34°C

Coldest month

Jan

⌀ min 13°C

Temperatures by month

typical high (orange) · typical low (blue)

Jan

56° … 71°

Feb

58° … 74°

Mar

65° … 80°

Apr

69° … 84°

May

75° … 89°

Jun

78° … 91°

Jul

79° … 92°

Aug

80° … 93°

Sep

77° … 90°

Oct

71° … 86°

Nov

64° … 79°

Dec

60° … 75°

Precipitation by month

monthly totals across the year

Jan

52 mm

Feb

35 mm

Mar

51 mm

Apr

64 mm

May

75 mm

Jun

90 mm

Jul

91 mm

Aug

65 mm

Sep

149 mm

Oct

66 mm

Nov

70 mm

Dec

41 mm

The short version

RegionTexas

Latitude25.9017°N

Annual mean24.8°C

Annual precipitation849 mm

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Weather map — Brownsville

Brownsville →

Source · 1991-2020 normals

Brownsville, TX Climate