Franklin New Hampshire Climate Data

Monthly Average Climate Data for Franklin New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.4 °C-0.4 °C76.2 mm
February-10.7 °C1.3 °C71.37 mm
March-5.8 °C6.1 °C84.58 mm
April0.3 °C13.8 °C88.14 mm
May6.7 °C20.7 °C93.22 mm
June12.1 °C25.4 °C106.17 mm
July15.4 °C28.4 °C111.51 mm
August14.1 °C27.5 °C95 mm
September9.9 °C23.2 °C91.44 mm
October3.3 °C15.7 °C128.78 mm
November-1.9 °C8.7 °C97.03 mm
December-7.3 °C2.6 °C104.14 mm
Annual2.1 °C14.4 °C1147.58 mm

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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year