Newton New Hampshire Climate Data

Monthly Average Climate Data for Newton New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F34.6 °F3.56 in.
February17.6 °F37.3 °F3.47 in.
March25.1 °F44.8 °F4.57 in.
April35.3 °F57.4 °F4.23 in.
May45.4 °F67.7 °F3.88 in.
June55.0 °F76.9 °F4.26 in.
July60.7 °F82.6 °F3.58 in.
August58.8 °F81.2 °F3.51 in.
September51.4 °F73.9 °F3.87 in.
October39.8 °F61.5 °F4.93 in.
November30.9 °F50.5 °F3.85 in.
December22.4 °F40.0 °F4.61 in.
Annual38.2 °F59 °F48.32 in.

Climate Data for Newton New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year