Glenrock Wyoming Climate Data

Monthly Average Climate Data for Glenrock Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F38.0 °F0.4 in.
February17.0 °F39.8 °F0.67 in.
March24.2 °F49.9 °F0.9 in.
April30.6 °F56.7 °F1.91 in.
May39.7 °F66.3 °F2.4 in.
June48.3 °F78.8 °F1.84 in.
July55.5 °F88.6 °F0.99 in.
August53.5 °F86.5 °F1.01 in.
September43.6 °F76.1 °F1.03 in.
October32.3 °F60.6 °F1.2 in.
November23.0 °F47.3 °F0.6 in.
December16.4 °F38.0 °F0.42 in.
Annual33.3 °F60.6 °F13.37 in.

Climate Data for Glenrock Wyoming

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 11 - May 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year