Washington New Hampshire Climate Data

Monthly Average Climate Data for Washington New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.8 °F27.5 °F3.84 in.
February14.9 °F30.5 °F3.46 in.
March22.9 °F38.8 °F4.11 in.
April34.5 °F53.3 °F4.15 in.
May45.6 °F65.8 °F4.14 in.
June56.1 °F73.7 °F4.83 in.
July61.6 °F78.1 °F5.18 in.
August58.9 °F76.7 °F4.46 in.
September51.6 °F69.6 °F4.34 in.
October41.6 °F56.7 °F5.75 in.
November30.6 °F44.7 °F4.1 in.
December22.1 °F33.3 °F4.71 in.
Annual37.9 °F54.1 °F53.07 in.

Climate Data for Washington New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com