Houlton Maine Climate Data

Monthly Average Climate Data for Houlton Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January2.8 °F23.3 °F3.43 in.
February4.3 °F26.7 °F2.66 in.
March15.9 °F36.2 °F3.07 in.
April29.2 °F49.5 °F3.2 in.
May40.6 °F64.1 °F3.32 in.
June49.9 °F73.3 °F4.1 in.
July55.6 °F78.2 °F3.61 in.
August53.7 °F77.2 °F3.38 in.
September46.0 °F69.0 °F3.24 in.
October35.6 °F55.3 °F3.91 in.
November26.0 °F41.6 °F3.7 in.
December12.8 °F29.9 °F4.04 in.
Annual31 °F52 °F41.66 in.

Climate Data for Houlton Maine

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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