Brownsville (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Brownsville.
Climate overview of Brownsville
The climate in Brownsville, Texas, United States of America, is marked by large temperature swings across the seasons, ranging from 35°C (95°F) in August to 21°C (70°F) in January.
Brownsville sees a moderate amount of rainfall, totalling around 786 mm (31 in) per year. It experiences a distinct dry season from January to February, creating some seasonal variation. The most sunshine falls in July, with an average of 10.9 hours of daily sunshine.
Brownsville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Brownsville — and find the best time to visit.
Monthly Temperature in Brownsville
In Brownsville, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very hot 35°C (95°F) in August, the warmest time of the year, to a pleasant 21°C (70°F) during cooler months like January.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 10°C (50°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Brownsville
On average, Brownsville receives a reasonable amount of rainfall, with an annual precipitation of 786 mm (31 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives heavy rainfall, averaging 180 mm (7.1 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month February brings less rainfall, with 27 mm (1.1 in) over 5 rainy days. For more details, please visit our Brownsville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Brownsville
Seasonal changes in sunshine hours are quite dramatic in Brownsville. While July receives considerable daily sunshine with up to 10.9 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.4 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Brownsville by Month
The relative humidity is high throughout the year in Brownsville.
The city experiences its highest humidity in January, reaching 78%. In July, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Brownsville
The mean wind speed over the year ranges from 4 m/s (8 knots) in September and October to 7 m/s (14 knots) in April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Brownsville
Be prepared for heavier rainfall during September, the wettest period of the year. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Brownsville
What is the best time to visit Brownsville?
January, February, March, April, November and December typically offer the most optimal weather in Brownsville. In contrast, June, July, August and September tend to have less optimal conditions. Brownsville has a distinct dry season from January to February.
What temperatures can I expect in Brownsville?
Daytime highs range from 21°C (70°F) in January to 35°C (95°F) in August. Nighttime lows range from 10°C (50°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Brownsville get?
Annual rainfall is around 786 mm (31 in). September is the wettest month with 180 mm (7.1 in), while February is the driest with 27 mm (1.1 in).
How sunny is Brownsville?
Brownsville receives around 2,715 hours of sunshine per year. July is the sunniest month with 326 hours, while January is the cloudiest with just 133 hours. Overall, Brownsville enjoys abundant sunshine.
Brownsville 3-Day Forecast
Brownsville (TX) 3-Day Forecast
Brownsville on the map
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