Bath New Hampshire Climate Data

Monthly Average Climate Data for Bath New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.1 °C-2.6 °C58.42 mm
February-13.8 °C-0.7 °C52.32 mm
March-8.2 °C4.4 °C59.94 mm
April-1.3 °C11.9 °C75.95 mm
May5.3 °C19.4 °C90.93 mm
June10.4 °C23.9 °C101.35 mm
July13.3 °C26.7 °C105.16 mm
August12.2 °C25.8 °C100.33 mm
September8.1 °C21.7 °C91.19 mm
October1.9 °C14.1 °C106.68 mm
November-3.3 °C7 °C71.63 mm
December-9.4 °C0.6 °C78.23 mm
Annual0.1 °C12.7 °C992.13 mm

Climate Data for Bath New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°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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