Bristol New Hampshire Climate Data

Monthly Average Climate Data for Bristol New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.6 °C-1.1 °C80.26 mm
February-11.1 °C0.7 °C65.02 mm
March-6.1 °C5.4 °C85.85 mm
April0.3 °C13.1 °C100.58 mm
May6.5 °C20.1 °C102.87 mm
June11.8 °C24.7 °C106.68 mm
July14.9 °C27.7 °C98.81 mm
August13.7 °C26.8 °C102.36 mm
September9.6 °C22.6 °C87.38 mm
October3.3 °C15.1 °C137.92 mm
November-1.8 °C8.1 °C102.62 mm
December-7.3 °C2.1 °C108.97 mm
Annual1.9 °C13.8 °C1179.32 mm

Climate Data for Bristol New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 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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