Fitzwilliam New Hampshire Climate Data

Monthly Average Climate Data for Fitzwilliam New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F30.5 °F3.82 in.
February14.5 °F33.6 °F3.29 in.
March21.7 °F41.0 °F3.89 in.
April33.2 °F54.4 °F3.84 in.
May42.9 °F66.2 °F3.85 in.
June53.2 °F74.4 °F4.63 in.
July58.6 °F79.5 °F4.29 in.
August55.7 °F77.9 °F4.26 in.
September48.5 °F70.1 °F4.31 in.
October38.7 °F57.8 °F5.11 in.
November29.3 °F46.3 °F3.8 in.
December19.9 °F36.0 °F4.28 in.
Annual35.8 °F55.6 °F49.37 in.

Climate Data for Fitzwilliam New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 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