Alton Texas Climate Data

Monthly Average Climate Data for Alton Texas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January9.4 °C21.7 °C20.57 mm
February11.6 °C24.3 °C24.13 mm
March14.9 °C27.3 °C30.48 mm
April18.2 °C30.6 °C34.54 mm
May21.8 °C33.2 °C54.1 mm
June23.9 °C35.7 °C63.75 mm
July24.6 °C36.3 °C54.61 mm
August24.5 °C36.9 °C37.59 mm
September22.5 °C34.2 °C116.08 mm
October18.7 °C31.3 °C58.67 mm
November13.9 °C26.4 °C30.48 mm
December10.2 °C22.5 °C24.13 mm
Annual17.9 °C30 °C549.13 mm

Climate Data for Alton Texas

Average First Frost DateFrost Rare
Average Last Frost DateJan. 21 - Jan. 31
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 10a : -1.1°C to 1.7°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSh - Hot Semi-Arid Climate
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