Average Precipitation for New Hampshire in May

The tables below give monthly averages for rainfall plus snowfall during May at cities, communities and other locations in New Hampshire.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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

Southern New Hampshire

Average monthly precipitation in May
Days Place Inches Milli­metres
12 Concord 3.5 88
12 Durham 3.6 92
13 Keene 3.8 96
12 Laconia & Lakeport 3.5 88
14 Lebanon 3.3 84
11 Massabesic Lake 3.4 86
13 Mount Sunapee 3.9 99
12 Nashua 3.9 99
11 Portsmouth & Greenland 4.0 100
13 Rochester 3.5 89

Northern New Hampshire

May averages for total rainfall plus snowfall
Days Place Inches Milli­metres
12 Berlin 3.6 90
16 Bethlehem 3.7 94
12 Colebrook 4.0 101
15 First Connecticut Lake 4.5 114
17 Mount Washington 7.7 195
13 North Conway 3.7 93
15 Pinkham Notch 5.5 139
14 Plymouth 3.7 94
13 Tamworth 3.8 96
Reference

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

New Hampshire Precipitation
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