Hiram Maine Climate Data

Monthly Average Climate Data for Hiram Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.2 °F26.9 °F3.84 in.
February6.3 °F30.1 °F4.0 in.
March16.7 °F38.5 °F4.85 in.
April27.4 °F52.1 °F4.39 in.
May38.6 °F64.3 °F3.64 in.
June48.5 °F73.0 °F4.99 in.
July53.7 °F78.6 °F4.69 in.
August52.0 °F77.5 °F4.0 in.
September44.1 °F69.9 °F3.86 in.
October33.0 °F56.6 °F5.56 in.
November25.8 °F43.0 °F4.7 in.
December14.8 °F32.3 °F4.74 in.
Annual30.5 °F53.6 °F53.26 in.

Climate Data for Hiram Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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