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New Hampshire Weather Records

Weather data and records for the U.S. state of New Hampshire based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
New Hampshire Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
Month High (°F°C) Low (°F°C)
January 28.7-1.9 9.5-12.5
February 31.8-0.1 10.9-11.7
March 40.34.6 19.5-7.0
April 53.512.0 30.4-0.9
May 66.018.9 41.45.2
June 74.423.5 50.810.5
July 79.126.2 56.113.4
August 77.525.3 54.412.5
September 70.021.1 46.88.2
October 57.113.9 36.42.4
November 44.77.0 27.0-2.8
December 33.91.1 16.9-8.4
Entire Year 54.912.7 33.50.8
New Hampshire Cities
Yearly weather averages for various places in New Hampshire, from 1991–2020.
City Average (°F°C) Record (°F°C) Yearly (inchescm)
High Low High Low Precipitation Snow
Berlin 53.912.2 32.30.2 98.136.7 -44.0-42.2 42.4107.7 85.8217.9
Colebrook 52.211.2 29.6-1.3 95.035.0 -42.0-41.1 38.998.9 83.3211.5
Concord 58.414.7 35.51.9 102.038.9 -36.9-38.3 42.0106.6 67.6171.7
Durham 59.515.3 37.22.9 102.939.4 -35.0-37.2 42.2107.3 40.0101.6
Greenland 58.714.8 38.53.6 104.040.0 -26.0-32.2 50.9129.3 65.1165.3
Hanover 57.214.0 36.82.6 102.939.4 -40.0-40.0 39.8101.0 56.5143.5
Keene 58.314.6 34.11.2 104.040.0 -35.0-37.2 45.4115.2 57.6146.3
Lebanon 57.614.2 34.71.5 100.938.3 -38.0-38.9 39.199.4 n/a
Manchester 59.715.4 40.74.9 102.939.4 -29.0-33.9 40.2102.1 n/a
Mt. Washington 34.91.6 21.4-5.9 72.022.2 -45.9-43.3 91.3231.9 279.9711.0
Nashua 59.815.4 37.63.1 106.041.1 -35.0-37.2 47.2120.0 52.8134.0