Gouldsboro Maine Climate Data

Monthly Average Climate Data for Gouldsboro Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.9 °F30.9 °F4.53 in.
February16.5 °F32.6 °F3.8 in.
March24.0 °F39.4 °F4.66 in.
April34.2 °F50.3 °F4.4 in.
May43.4 °F61.0 °F4.3 in.
June51.9 °F70.1 °F4.07 in.
July57.7 °F75.8 °F3.22 in.
August57.8 °F75.5 °F2.92 in.
September51.7 °F68.2 °F4.05 in.
October42.2 °F57.1 °F5.62 in.
November32.7 °F46.6 °F5.38 in.
December22.0 °F37.3 °F5.5 in.
Annual37.4 °F53.7 °F52.45 in.

Climate Data for Gouldsboro Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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