Benton City Washington Climate Data

Monthly Average Climate Data for Benton City Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.1 °F40.7 °F1.1 in.
February29.2 °F47.5 °F0.87 in.
March34.3 °F57.3 °F0.8 in.
April39.5 °F65.4 °F0.67 in.
May47.3 °F74.8 °F0.82 in.
June53.4 °F81.8 °F0.69 in.
July59.0 °F90.9 °F0.15 in.
August58.5 °F90.0 °F0.15 in.
September50.5 °F80.2 °F0.26 in.
October40.9 °F65.3 °F0.78 in.
November32.8 °F50.3 °F1.07 in.
December27.8 °F40.4 °F1.24 in.
Annual41.8 °F65.4 °F8.6 in.

Climate Data for Benton City Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBWk - Cold Desert Climate