Lancaster New Hampshire Climate Data

Monthly Average Climate Data for Lancaster New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January3.4 °F25.6 °F2.43 in.
February4.2 °F29.3 °F2.02 in.
March15.1 °F38.5 °F2.16 in.
April28.7 °F52.4 °F3.16 in.
May40.0 °F66.3 °F3.93 in.
June49.5 °F74.7 °F4.5 in.
July54.3 °F79.3 °F4.31 in.
August52.5 °F77.9 °F4.15 in.
September44.9 °F70.4 °F3.6 in.
October34.2 °F56.4 °F4.06 in.
November24.6 °F43.1 °F2.81 in.
December12.8 °F31.3 °F2.93 in.
Annual30.4 °F53.8 °F40.06 in.

Climate Data for Lancaster New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year