The temperatures in Brownsville during August are extremely high, between 27°C and hot as 35°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Brownsville during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Brownsville in August 2025.
If you’re planning to visit Brownsville in the near future, we highly recommend that you review the 14 day weather forecast for Brownsville before you arrive.