Jamestown Rhode Island Climate Data

Monthly Average Climate Data for Jamestown Rhode Island

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.8 °C3.6 °C100.33 mm
February-4.1 °C4.5 °C89.66 mm
March-0.7 °C7.6 °C130.3 mm
April4.4 °C12.7 °C115.06 mm
May9.7 °C17.9 °C88.65 mm
June14.9 °C22.8 °C90.68 mm
July18.3 °C26.3 °C77.47 mm
August17.8 °C26.1 °C87.88 mm
September14.4 °C22.8 °C94.49 mm
October8.6 °C17.1 °C114.3 mm
November3.4 °C11.7 °C102.62 mm
December-1.4 °C6.8 °C120.9 mm
Annual6.7 °C15 °C1212.34 mm

Climate Data for Jamestown Rhode Island

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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