Seneca Oregon Climate Data

Monthly Average Climate Data for Seneca Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.3 °F36.0 °F1.54 in.
February16.2 °F40.4 °F1.05 in.
March21.7 °F46.5 °F1.31 in.
April26.3 °F52.7 °F1.15 in.
May32.6 °F61.9 °F1.8 in.
June37.1 °F70.4 °F1.18 in.
July41.0 °F82.8 °F0.46 in.
August38.3 °F82.6 °F0.42 in.
September31.7 °F73.8 °F0.65 in.
October24.2 °F59.0 °F1.13 in.
November19.7 °F44.3 °F1.44 in.
December13.5 °F35.6 °F1.73 in.
Annual26.4 °F57.2 °F13.86 in.

Climate Data for Seneca Oregon

Average First Frost DateJuly 11 - July 20
Average Last Frost DateJul. 1 - Jul. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate