Chilmark Massachusetts Climate Data

Monthly Average Climate Data for Chilmark Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.7 °F39.4 °F4.17 in.
February27.2 °F39.7 °F3.66 in.
March32.0 °F43.9 °F5.1 in.
April40.5 °F52.8 °F4.36 in.
May49.1 °F61.8 °F3.48 in.
June58.3 °F70.4 °F3.5 in.
July65.3 °F77.0 °F2.82 in.
August65.5 °F76.9 °F3.47 in.
September60.1 °F71.6 °F3.81 in.
October50.7 °F62.3 °F4.68 in.
November41.2 °F53.2 °F4.14 in.
December32.8 °F45.1 °F4.91 in.
Annual45.8 °F57.8 °F48.1 in.

Climate Data for Chilmark Massachusetts

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year