Harrisville Rhode Island Climate Data

Monthly Average Climate Data for Harrisville Rhode Island

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.4 °F36.4 °F3.97 in.
February19.7 °F38.8 °F3.51 in.
March26.9 °F46.2 °F4.84 in.
April37.0 °F58.4 °F4.59 in.
May47.0 °F69.0 °F3.62 in.
June56.3 °F77.1 °F4.29 in.
July62.4 °F82.7 °F3.79 in.
August60.7 °F80.9 °F4.23 in.
September53.6 °F73.9 °F4.08 in.
October42.5 °F62.4 °F5.08 in.
November32.7 °F51.6 °F4.15 in.
December24.3 °F41.5 °F4.95 in.
Annual40.1 °F59.9 °F51.1 in.

Climate Data for Harrisville Rhode Island

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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