Rockport Maine Climate Data

Monthly Average Climate Data for Rockport Maine

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F30.7 °F4.51 in.
February17.1 °F32.6 °F3.85 in.
March23.9 °F39.7 °F4.72 in.
April33.7 °F51.0 °F4.83 in.
May43.8 °F61.7 °F3.8 in.
June52.9 °F70.4 °F4.33 in.
July59.1 °F76.5 °F3.23 in.
August58.5 °F76.1 °F3.12 in.
September51.6 °F69.1 °F4.49 in.
October41.8 °F57.4 °F5.58 in.
November33.2 °F46.8 °F5.0 in.
December23.3 °F36.8 °F5.08 in.
Annual37.9 °F54.1 °F52.54 in.

Climate Data for Rockport Maine

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year