Newmarket New Hampshire Climate Data

Monthly Average Climate Data for Newmarket New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.8 °F33.5 °F3.13 in.
February16.4 °F36.2 °F3.14 in.
March24.2 °F43.7 °F3.91 in.
April34.2 °F55.9 °F4.2 in.
May44.2 °F66.5 °F3.72 in.
June53.8 °F76.1 °F4.09 in.
July59.5 °F81.6 °F3.82 in.
August58.0 °F80.7 °F3.54 in.
September50.2 °F73.2 °F3.88 in.
October38.8 °F61.0 °F4.61 in.
November30.1 °F49.7 °F3.84 in.
December21.5 °F38.6 °F4.26 in.
Annual37.1 °F58.1 °F46.14 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year