Sandwich New Hampshire Climate Data

Monthly Average Climate Data for Sandwich New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13 °C-1.9 °C94.49 mm
February-12.3 °C-0.4 °C86.11 mm
March-7.2 °C4.4 °C101.09 mm
April-0.8 °C11.9 °C110.49 mm
May5.2 °C19.1 °C108.46 mm
June10.3 °C23.6 °C125.98 mm
July13.1 °C26.3 °C128.78 mm
August12.1 °C25.6 °C115.57 mm
September7.9 °C21.3 °C106.43 mm
October2.1 °C13.9 °C146.05 mm
November-2.7 °C7 °C114.3 mm
December-8.5 °C1.1 °C124.21 mm
Annual0.5 °C12.7 °C1361.96 mm

Climate Data for Sandwich New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com