Siasconset Massachusetts Climate Data

Monthly Average Climate Data for Siasconset Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.8 °F39.2 °F4.1 in.
February27.5 °F39.6 °F3.68 in.
March32.3 °F43.5 °F4.88 in.
April40.3 °F51.9 °F4.28 in.
May48.5 °F60.1 °F3.06 in.
June57.4 °F68.3 °F2.93 in.
July64.5 °F75.4 °F2.56 in.
August64.8 °F75.5 °F3.18 in.
September59.8 °F70.7 °F3.75 in.
October50.6 °F61.6 °F4.55 in.
November41.3 °F52.8 °F4.08 in.
December32.8 °F44.9 °F4.82 in.
Annual45.6 °F57 °F45.87 in.

Climate Data for Siasconset Massachusetts

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 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
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