Winslow Maine Climate Data

Monthly Average Climate Data for Winslow Maine

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.6 °C-1.7 °C77.22 mm
February-11.8 °C0.1 °C65.79 mm
March-6.1 °C4.8 °C78.23 mm
April0.2 °C12 °C93.22 mm
May6.3 °C18.7 °C85.6 mm
June11.7 °C23.6 °C101.35 mm
July15 °C26.6 °C86.61 mm
August14.2 °C26.2 °C89.41 mm
September9.8 °C21.9 °C94.49 mm
October3.8 °C14.8 °C125.22 mm
November-1.7 °C7.8 °C96.27 mm
December-7.9 °C1.6 °C97.28 mm
Annual1.7 °C13 °C1090.69 mm

Climate Data for Winslow Maine

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year