Hallettsville Texas Climate Data

Monthly Average Climate Data for Hallettsville Texas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January41.1 °F63.4 °F2.79 in.
February45.0 °F66.7 °F2.16 in.
March51.7 °F73.3 °F2.82 in.
April57.7 °F79.4 °F2.83 in.
May65.9 °F85.9 °F4.59 in.
June71.9 °F91.6 °F4.35 in.
July73.0 °F94.2 °F2.25 in.
August73.1 °F95.7 °F3.22 in.
September68.4 °F90.6 °F3.76 in.
October59.1 °F82.9 °F4.1 in.
November49.7 °F72.7 °F3.17 in.
December42.7 °F65.2 °F2.64 in.
Annual58.3 °F80.1 °F38.68 in.

Climate Data for Hallettsville Texas

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateFeb. 21 - Feb. 29
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 ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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