Temperature for January
In Brownsville, TX during January the average high temperature is 71.5°F. The hottest day on record was January 31, 1971 when the temperature hit 92.3°F.

In Brownsville, TX during January the average high temperature is 71.5°F. The hottest day on record was January 31, 1971 when the temperature hit 92.3°F.
In January the average monthly rainfall in Brownsville, TX is 0.86 inches with rain usually falling on between 9 and 10 days. 1948 was the driest January with only 0.00 inches of rain falling, and 1973 was the wettest January with 5.01 inches of rain. The wettest single day in January was 29 January 1973 when 3.15 inches of rain fell.
In January it usually snows on between 0 and 1 days. In January there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in January.