Gilliam Louisiana Climate Data

Monthly Average Climate Data for Gilliam Louisiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.7 °C13.5 °C114.05 mm
February3.6 °C15.8 °C115.06 mm
March7.4 °C20.2 °C131.57 mm
April11.5 °C24.6 °C123.95 mm
May16.8 °C28.4 °C114.05 mm
June21.1 °C32.2 °C115.32 mm
July22.7 °C34.1 °C86.61 mm
August22.2 °C34.4 °C80.77 mm
September18.6 °C31.3 °C93.47 mm
October12 °C25.4 °C121.67 mm
November6.4 °C19.1 °C106.17 mm
December2.7 °C14.4 °C127.51 mm
Annual12.2 °C24.5 °C1330.2 mm

Climate Data for Gilliam Louisiana

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate