Cowley, Wyoming Climate Data

Cowley, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from -0.2 °C (low) to 15.2 °C (high). Annual precipitation averages 176.5 Millimeters. Cowley is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.

Avg Annual High15.2 °C
Avg Annual Low-0.2 °C
Annual Precipitation176.5 mm
Hardiness ZoneZone 4b
Growing Season: Last frost around May 1 - May 10 — First frost around Sep. 21 - Sep. 30 — Approximately 150-180 Days frost days per year.

Monthly Average Climate Data for Cowley, Wyoming

Average monthly temperatures and precipitation Switch to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.1 °C0.1 °C5.84 mm
February-10.6 °C3 °C6.86 mm
March-5.1 °C10 °C7.11 mm
April-0.4 °C14.7 °C18.54 mm
May5.1 °C19.9 °C30.23 mm
June9.7 °C26 °C30.48 mm
July13.1 °C31.4 °C18.29 mm
August11.6 °C30.4 °C8.89 mm
September6.2 °C23.9 °C20.57 mm
October-0.1 °C15.2 °C18.29 mm
November-6.4 °C7 °C6.35 mm
December-11.9 °C0.9 °C5.08 mm
Annual-0.2 °C15.2 °C176.53 mm

Climate Zone Data for Cowley, Wyoming

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 1 - May 10
Average Days With Frost150-180 Days
Plant Hardiness ZoneZone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationBWk - Cold Desert Climate
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