South Royalton Vermont Climate Data

Monthly Average Climate Data for South Royalton Vermont

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.9 °F28.8 °F2.86 in.
February9.1 °F32.5 °F2.36 in.
March18.6 °F41.1 °F2.96 in.
April30.7 °F55.2 °F3.18 in.
May42.6 °F68.7 °F3.38 in.
June51.7 °F77.0 °F4.32 in.
July57.0 °F81.8 °F4.46 in.
August55.3 °F79.7 °F3.85 in.
September48.0 °F72.9 °F3.4 in.
October36.7 °F59.1 °F4.01 in.
November27.1 °F46.1 °F3.06 in.
December16.7 °F34.0 °F3.48 in.
Annual33.5 °F56.4 °F41.32 in.

Climate Data for South Royalton Vermont

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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