Stewartstown New Hampshire Climate Data

Monthly Average Climate Data for Stewartstown New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January1.8 °F20.6 °F3.59 in.
February3.4 °F23.1 °F3.05 in.
March12.9 °F32.2 °F3.64 in.
April29.0 °F46.7 °F3.65 in.
May39.0 °F60.3 °F4.51 in.
June48.7 °F69.2 °F5.2 in.
July54.0 °F73.4 °F4.81 in.
August51.9 °F72.1 °F4.56 in.
September44.6 °F65.0 °F4.02 in.
October33.6 °F51.2 °F4.88 in.
November23.1 °F38.0 °F3.9 in.
December10.8 °F27.1 °F4.32 in.
Annual29.4 °F48.2 °F50.13 in.

Climate Data for Stewartstown New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year