Rock River Wyoming Climate Data

Monthly Average Climate Data for Rock River Wyoming

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C0.3 °C15.75 mm
February-10.4 °C1.3 °C16.51 mm
March-6.3 °C6.7 °C24.89 mm
April-3 °C10.9 °C38.86 mm
May1.7 °C16.8 °C57.91 mm
June6.3 °C23.3 °C38.35 mm
July9.7 °C27.9 °C35.05 mm
August8.3 °C26.8 °C27.18 mm
September3.7 °C21.9 °C29.46 mm
October-1.8 °C13.9 °C30.23 mm
November-6.9 °C5.8 °C22.86 mm
December-11 °C0.3 °C17.53 mm
Annual-1.7 °C13 °C354.58 mm

Climate Data for Rock River Wyoming

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year