Dalton New Hampshire Climate Data

Monthly Average Climate Data for Dalton New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.9 °C-3.6 °C70.87 mm
February-14.5 °C-1.9 °C60.71 mm
March-9.6 °C3 °C62.23 mm
April-2.6 °C10.2 °C90.42 mm
May3.5 °C17.7 °C99.82 mm
June8.6 °C22.2 °C114.81 mm
July11.3 °C24.7 °C117.09 mm
August10.2 °C23.8 °C108.2 mm
September6.3 °C19.9 °C91.69 mm
October1 °C12.5 °C116.84 mm
November-4.6 °C5.7 °C82.55 mm
December-10.6 °C-0.4 °C94.23 mm
Annual-1.3 °C11.2 °C1109.46 mm

Climate Data for Dalton New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4a : -34.4°C to -31.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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