Pasco Washington Climate Data

Monthly Average Climate Data for Pasco Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.6 °F41.5 °F1.16 in.
February29.6 °F47.9 °F0.81 in.
March34.5 °F57.7 °F0.7 in.
April40.1 °F65.8 °F0.67 in.
May47.5 °F74.9 °F0.75 in.
June53.7 °F81.6 °F0.63 in.
July59.3 °F90.9 °F0.19 in.
August58.4 °F89.8 °F0.19 in.
September50.5 °F80.3 °F0.27 in.
October41.0 °F65.6 °F0.71 in.
November33.5 °F50.7 °F0.92 in.
December28.5 °F41.0 °F1.16 in.
Annual42.1 °F65.6 °F8.16 in.

Climate Data for Pasco Washington

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationBWk - Cold Desert Climate