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.
How today compares
Latest recorded day: 2026-07-25. Each reading placed on Brownsville, Texas, United States's own ±7-day seasonal distribution.
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 |
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
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 →