Mason New Hampshire Climate Data

Monthly Average Climate Data for Mason New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10 °C0.1 °C91.69 mm
February-9.2 °C1.8 °C85.09 mm
March-4.9 °C6.1 °C109.22 mm
April1.1 °C13.3 °C106.43 mm
May7.2 °C19.6 °C100.33 mm
June12.3 °C24.5 °C112.01 mm
July15.4 °C27.4 °C104.65 mm
August14.3 °C26.4 °C100.84 mm
September10.2 °C22.5 °C105.92 mm
October3.8 °C15.3 °C131.83 mm
November-1.4 °C9.1 °C102.62 mm
December-6.4 °C3.1 °C115.57 mm
Annual2.7 °C14.1 °C1266.2 mm

Climate Data for Mason New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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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