Richmond New Hampshire Climate Data

Monthly Average Climate Data for Richmond New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F31.1 °F3.65 in.
February13.8 °F34.3 °F3.14 in.
March21.5 °F42.0 °F3.73 in.
April32.9 °F55.4 °F3.74 in.
May43.2 °F67.4 °F3.83 in.
June52.9 °F75.9 °F4.59 in.
July58.1 °F81.0 °F4.28 in.
August55.6 °F79.2 °F4.31 in.
September47.9 °F71.3 °F4.33 in.
October38.0 °F58.9 °F5.04 in.
November29.0 °F47.2 °F3.73 in.
December19.3 °F36.5 °F4.18 in.
Annual35.4 °F56.7 °F48.55 in.

Climate Data for Richmond New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
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