Average Annual Temperatures in New Hampshire





Average annual temperatures for cities, communities and other locations around around New Hampshire are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for Southern and Northern New Hampshire.

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Southern New Hampshire

Average annual temperatures
High °F Low °F Place High °C Low °C
58 36 Concord 15 2
58 37 Durham 15 3
56 34 Franklin Falls Reservoir Dam 14 1
57 33 Keene 14 1
57 37 Laconia & Lakeport 14 3
58 35 Lebanon 14 1
57 38 Massabesic Lake 14 3
55 36 Mount Sunapee 13 2
60 37 Nashua 16 3
57 38 Portsmouth & Greenland 14 3
58 38 Rochester 14 3

Northern New Hampshire

Average temperatures for the year
High °F Low °F Place High °C Low °C
54 31 Berlin 12 0
55 29 Bethlehem 13 -2
52 28 Colebrook 11 -2
50 28 First Connecticut Lake 10 -2
35 21 Mount Washington 2 -6
57 34 North Conway 14 1
51 30 Pinkham Notch 11 -1
56 31 Plymouth 13 0
55 31 Tamworth 13 0
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

New Hampshire Temperatures
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