Littleton New Hampshire Climate Data

Monthly Average Climate Data for Littleton New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.6 °C-2.8 °C55.88 mm
February-14.2 °C-0.9 °C47.75 mm
March-8.4 °C4.2 °C56.39 mm
April-1.2 °C11.7 °C76.45 mm
May5.3 °C19.2 °C90.93 mm
June10.4 °C23.8 °C102.11 mm
July13.2 °C26.5 °C108.2 mm
August12.1 °C25.7 °C100.84 mm
September7.9 °C21.6 °C86.61 mm
October1.9 °C13.9 °C102.11 mm
November-3.4 °C6.6 °C67.56 mm
December-9.7 °C0.2 °C77.72 mm
Annual-0.1 °C12.5 °C972.55 mm

Climate Data for Littleton 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 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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