North Rock Springs Wyoming Climate Data

Monthly Average Climate Data for North Rock Springs Wyoming

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.9 °F32.6 °F0.54 in.
February12.7 °F35.7 °F0.49 in.
March21.9 °F46.1 °F0.67 in.
April28.3 °F55.4 °F1.3 in.
May36.7 °F65.0 °F1.81 in.
June44.5 °F76.6 °F0.96 in.
July51.3 °F85.3 °F0.47 in.
August49.6 °F83.2 °F0.56 in.
September40.9 °F73.8 °F1.03 in.
October30.8 °F59.3 °F0.83 in.
November20.3 °F43.8 °F0.64 in.
December10.7 °F32.5 °F0.49 in.
Annual29.9 °F57.4 °F9.79 in.

Climate Data for North Rock Springs Wyoming

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 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 ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate