Brownsville, Texas, United States climate

Average temperatures, precipitation and all-time records for Brownsville, Texas, United States, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 93°F, and its coldest is January, with an average low of 55°F.

Brownsville average temperatures by month

Typical daily high and low, and average precipitation, for each month in Brownsville, Texas, United States, based on 1980–2026 records. The wettest month is September (0.20 in on an average day).

Month	Avg high	Avg low	Avg precip
January	70°F	55°F	0.10 in
February	74°F	58°F	0.00 in
March	78°F	63°F	0.10 in
April	83°F	68°F	0.10 in
May	87°F	74°F	0.10 in
June	91°F	78°F	0.10 in
July	92°F	78°F	0.10 in
August	93°F	78°F	0.10 in
September	89°F	76°F	0.20 in
October	85°F	70°F	0.10 in
November	78°F	64°F	0.10 in
December	73°F	57°F	0.00 in

Jan 42°–80°

Feb 46°–82°

Mar 52°–85°

Apr 58°–89°

May 69°–91°

Jun 75°–94°

Jul 76°–95°

Aug 76°–96°

Sep 73°–93°

Oct 62°–90°

Nov 52°–85°

Dec 44°–82°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 104°F on 2000-09-05
Coldest day on record: 18°F on 1989-12-23

All Brownsville weather records →

Percentiles compare each day to Brownsville, Texas, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →