Litchfield New Hampshire Climate Data

Monthly Average Climate Data for Litchfield New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.8 °F33.9 °F3.3 in.
February15.5 °F36.9 °F3.19 in.
March23.8 °F44.7 °F4.04 in.
April34.5 °F57.9 °F3.99 in.
May45.5 °F69.0 °F3.7 in.
June54.9 °F78.0 °F4.17 in.
July60.5 °F83.4 °F3.58 in.
August58.7 °F81.8 °F3.73 in.
September50.8 °F74.4 °F3.79 in.
October38.7 °F61.6 °F4.74 in.
November29.4 °F49.9 °F3.77 in.
December20.6 °F39.3 °F4.27 in.
Annual37.2 °F59.2 °F46.27 in.

Climate Data for Litchfield New Hampshire

Average First Frost DateOct. 11 - Oct. 20
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