Augusta Maine Climate Data

Monthly Average Climate Data for Augusta Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.6 °F29.4 °F3.46 in.
February12.3 °F32.4 °F2.98 in.
March22.2 °F40.7 °F3.69 in.
April33.2 °F53.3 °F4.15 in.
May43.9 °F64.9 °F3.36 in.
June53.5 °F73.7 °F4.21 in.
July59.5 °F79.5 °F3.26 in.
August58.1 °F78.7 °F3.43 in.
September50.5 °F71.3 °F3.86 in.
October39.5 °F58.5 °F5.32 in.
November29.6 °F46.3 °F4.35 in.
December18.9 °F35.5 °F4.26 in.
Annual36 °F55.4 °F46.33 in.

Climate Data for Augusta Maine

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year