North Bonneville Washington Climate Data

Monthly Average Climate Data for North Bonneville Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.4 °F44.1 °F11.09 in.
February36.2 °F48.6 °F7.81 in.
March38.6 °F54.7 °F8.31 in.
April42.5 °F60.3 °F5.65 in.
May47.9 °F67.7 °F3.55 in.
June52.6 °F72.6 °F2.68 in.
July57.1 °F80.5 °F0.49 in.
August57.2 °F81.7 °F0.74 in.
September52.5 °F75.9 °F2.13 in.
October46.5 °F64.0 °F6.7 in.
November40.4 °F51.5 °F11.37 in.
December35.6 °F44.1 °F12.9 in.
Annual45.2 °F62.1 °F73.42 in.

Climate Data for North Bonneville Washington

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate