Richmond New Hampshire Climate Data

Monthly Average Climate Data for Richmond New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C-0.5 °C92.71 mm
February-10.1 °C1.3 °C79.76 mm
March-5.8 °C5.6 °C94.74 mm
April0.5 °C13 °C95 mm
May6.2 °C19.7 °C97.28 mm
June11.6 °C24.4 °C116.59 mm
July14.5 °C27.2 °C108.71 mm
August13.1 °C26.2 °C109.47 mm
September8.8 °C21.8 °C109.98 mm
October3.3 °C14.9 °C128.02 mm
November-1.7 °C8.4 °C94.74 mm
December-7.1 °C2.5 °C106.17 mm
Annual1.9 °C13.7 °C1233.17 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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