Newmarket New Hampshire Climate Data

Monthly Average Climate Data for Newmarket New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.6 °C0.8 °C79.5 mm
February-8.7 °C2.3 °C79.76 mm
March-4.3 °C6.5 °C99.31 mm
April1.2 °C13.3 °C106.68 mm
May6.8 °C19.2 °C94.49 mm
June12.1 °C24.5 °C103.89 mm
July15.3 °C27.6 °C97.03 mm
August14.4 °C27.1 °C89.92 mm
September10.1 °C22.9 °C98.55 mm
October3.8 °C16.1 °C117.09 mm
November-1.1 °C9.8 °C97.54 mm
December-5.8 °C3.7 °C108.2 mm
Annual2.9 °C14.5 °C1171.96 mm

Climate Data for Newmarket 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year