Afton Wyoming Climate Data

Monthly Average Climate Data for Afton Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.1 °F28.3 °F1.46 in.
February8.2 °F32.1 °F1.31 in.
March16.6 °F41.3 °F1.57 in.
April25.1 °F49.7 °F1.83 in.
May33.1 °F60.5 °F2.48 in.
June38.2 °F70.3 °F1.55 in.
July43.7 °F80.4 °F1.04 in.
August42.4 °F79.9 °F1.06 in.
September34.6 °F70.3 °F1.3 in.
October26.7 °F55.7 °F1.6 in.
November17.4 °F40.6 °F1.38 in.
December7.6 °F28.7 °F1.47 in.
Annual25 °F53.2 °F18.05 in.

Climate Data for Afton Wyoming

Average First Frost DateAug. 11 - Aug. 20
Average Last Frost DateJul. 1 - Jul. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall