Sunnyslope Washington Climate Data

Monthly Average Climate Data for Sunnyslope Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C2.2 °C37.59 mm
February-2.7 °C6.4 °C26.16 mm
March0.3 °C12.1 °C22.1 mm
April3.8 °C17.5 °C16.26 mm
May8.1 °C22.7 °C19.81 mm
June11.7 °C26.3 °C16.26 mm
July15.1 °C31.6 °C7.62 mm
August14.7 °C31.2 °C4.57 mm
September10.1 °C26.1 °C7.37 mm
October4.2 °C17.3 °C19.3 mm
November-0.6 °C8.1 °C29.46 mm
December-3.8 °C2.1 °C41.91 mm
Annual4.7 °C17 °C248.41 mm

Climate Data for Sunnyslope Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate