Concord New Hampshire Climate Data

Monthly Average Climate Data for Concord New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.9 °C-0.2 °C77.22 mm
February-9.9 °C1.6 °C77.47 mm
March-5 °C6.1 °C87.88 mm
April1.1 °C13.5 °C95.25 mm
May7.2 °C20.1 °C89.15 mm
June12.6 °C25.1 °C107.95 mm
July15.6 °C27.9 °C101.85 mm
August14.5 °C27.2 °C92.2 mm
September10.2 °C23 °C97.03 mm
October3.8 °C15.7 °C123.7 mm
November-1.6 °C9.1 °C90.17 mm
December-6.8 °C3 °C105.16 mm
Annual2.6 °C14.3 °C1145.03 mm

Climate Data for Concord New Hampshire

Average First Frost DateOct. 1 - Oct. 10
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 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year