Brenham Texas Climate Data

Monthly Average Climate Data for Brenham Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January40.5 °F61.5 °F3.59 in.
February44.1 °F65.1 °F3.18 in.
March50.7 °F71.8 °F3.52 in.
April57.3 °F79.0 °F3.28 in.
May65.5 °F85.7 °F5.19 in.
June71.8 °F91.7 °F4.41 in.
July73.7 °F94.4 °F2.53 in.
August73.5 °F96.2 °F3.4 in.
September68.6 °F90.6 °F3.9 in.
October58.6 °F82.1 °F4.98 in.
November48.8 °F71.1 °F4.12 in.
December42.1 °F63.4 °F3.62 in.
Annual57.9 °F79.4 °F45.72 in.

Climate Data for Brenham Texas

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate