Manchester New Hampshire Climate Data

Monthly Average Climate Data for Manchester New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.7 °F33.2 °F2.85 in.
February15.4 °F36.1 °F2.86 in.
March23.8 °F44.1 °F3.34 in.
April34.7 °F57.1 °F3.5 in.
May45.6 °F68.4 °F3.49 in.
June55.1 °F77.5 °F4.18 in.
July60.7 °F82.5 °F3.66 in.
August58.8 °F81.1 °F3.65 in.
September51.1 °F73.8 °F3.71 in.
October39.3 °F60.7 °F4.42 in.
November29.8 °F49.5 °F3.5 in.
December20.6 °F38.6 °F3.91 in.
Annual37.4 °F58.6 °F43.07 in.

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