Houlton Maine Climate Data

Monthly Average Climate Data for Houlton Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-16.2 °C-4.8 °C87.12 mm
February-15.4 °C-2.9 °C67.56 mm
March-8.9 °C2.3 °C77.98 mm
April-1.6 °C9.7 °C81.28 mm
May4.8 °C17.8 °C84.33 mm
June9.9 °C22.9 °C104.14 mm
July13.1 °C25.7 °C91.69 mm
August12.1 °C25.1 °C85.85 mm
September7.8 °C20.6 °C82.3 mm
October2 °C12.9 °C99.31 mm
November-3.3 °C5.3 °C93.98 mm
December-10.7 °C-1.2 °C102.62 mm
Annual-0.5 °C11.1 °C1058.16 mm

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 : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4a : -34.4°C to -31.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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