Franklin New Hampshire Climate Data

Monthly Average Climate Data for Franklin New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.5 °F31.2 °F3.0 in.
February12.8 °F34.4 °F2.81 in.
March21.6 °F42.9 °F3.33 in.
April32.6 °F56.8 °F3.47 in.
May44.1 °F69.3 °F3.67 in.
June53.7 °F77.8 °F4.18 in.
July59.7 °F83.2 °F4.39 in.
August57.4 °F81.5 °F3.74 in.
September49.8 °F73.7 °F3.6 in.
October37.9 °F60.3 °F5.07 in.
November28.5 °F47.6 °F3.82 in.
December18.8 °F36.7 °F4.1 in.
Annual35.7 °F58 °F45.18 in.

Climate Data for Franklin 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year