Spencer Idaho Climate Data

Monthly Average Climate Data for Spencer Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.6 °F27.1 °F1.54 in.
February11.9 °F31.0 °F1.34 in.
March19.4 °F40.9 °F1.32 in.
April27.2 °F52.1 °F1.67 in.
May35.3 °F62.2 °F3.04 in.
June41.8 °F71.2 °F2.02 in.
July48.2 °F82.3 °F1.09 in.
August46.8 °F81.5 °F0.91 in.
September39.2 °F70.9 °F1.07 in.
October29.0 °F54.7 °F1.72 in.
November18.5 °F38.8 °F1.24 in.
December10.1 °F27.6 °F1.93 in.
Annual28.1 °F53.4 °F18.89 in.

Climate Data for Spencer Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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