Bartlett New Hampshire Climate Data

Monthly Average Climate Data for Bartlett New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.5 °F29.6 °F3.71 in.
February9.7 °F32.4 °F3.47 in.
March19.2 °F40.9 °F3.95 in.
April30.7 °F54.3 °F4.42 in.
May42.0 °F67.1 °F4.25 in.
June51.1 °F75.3 °F4.8 in.
July56.1 °F80.3 °F4.81 in.
August54.3 °F79.0 °F4.16 in.
September46.2 °F71.5 °F4.11 in.
October35.6 °F58.0 °F5.55 in.
November26.4 °F45.3 °F4.47 in.
December16.4 °F34.8 °F4.96 in.
Annual33 °F55.7 °F52.66 in.

Climate Data for Bartlett New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 11 - May 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall