Milton New Hampshire Climate Data

Monthly Average Climate Data for Milton New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C-0.6 °C88.65 mm
February-9.6 °C1.1 °C86.36 mm
March-4.9 °C5.4 °C107.7 mm
April1 °C13 °C107.95 mm
May7.1 °C19.4 °C95.76 mm
June12.4 °C24.4 °C112.01 mm
July15.5 °C27.5 °C103.63 mm
August14.7 °C26.6 °C97.54 mm
September10.5 °C22.3 °C98.04 mm
October4.5 °C15.1 °C126.75 mm
November-1.1 °C8.4 °C105.66 mm
December-6.2 °C2.5 °C115.06 mm
Annual2.8 °C13.8 °C1245.11 mm

Climate Data for Milton New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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