Manchester New Hampshire Climate Data

Monthly Average Climate Data for Manchester New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.2 °C0.7 °C72.39 mm
February-9.2 °C2.3 °C72.64 mm
March-4.6 °C6.7 °C84.84 mm
April1.5 °C13.9 °C88.9 mm
May7.6 °C20.2 °C88.65 mm
June12.8 °C25.3 °C106.17 mm
July15.9 °C28.1 °C92.96 mm
August14.9 °C27.3 °C92.71 mm
September10.6 °C23.2 °C94.23 mm
October4.1 °C15.9 °C112.27 mm
November-1.2 °C9.7 °C88.9 mm
December-6.3 °C3.7 °C99.31 mm
Annual3 °C14.8 °C1093.97 mm

Climate Data for Manchester New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year