Hollis New Hampshire Climate Data

Monthly Average Climate Data for Hollis New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.8 °C0.7 °C88.14 mm
February-8.9 °C2.3 °C82.8 mm
March-4.5 °C6.7 °C105.16 mm
April1.3 °C13.9 °C102.62 mm
May7.3 °C20.1 °C96.27 mm
June12.5 °C25.1 °C111.25 mm
July15.6 °C28.1 °C95.25 mm
August14.5 °C27.1 °C97.54 mm
September10.2 °C23.1 °C101.85 mm
October3.7 °C15.9 °C122.94 mm
November-1.4 °C9.7 °C97.79 mm
December-6.2 °C3.7 °C112.01 mm
Annual2.9 °C14.7 °C1213.62 mm

Climate Data for Hollis New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 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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