Average Rainfall for New Hampshire in August

The tables below give monthly averages for rainfall during August 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 rainfall 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 August
Days Place Inches Milli­metres
10 Concord 3.6 92
10 Durham 3.8 96
10 Keene 4.3 109
10 Laconia & Lakeport 3.9 99
14 Lebanon 3.6 92
9 Massabesic Lake 3.7 93
11 Mount Sunapee 3.7 93
9 Nashua 3.9 99
9 Portsmouth & Greenland 3.7 93
12 Rochester 3.2 81

Northern New Hampshire

August averages for total rainfall
Days Place Inches Milli­metres
10 Berlin 3.8 95
13 Bethlehem 4.2 106
12 Colebrook 4.2 107
14 First Connecticut Lake 4.8 121
16 Mount Washington 7.7 196
11 North Conway 4.4 112
13 Pinkham Notch 5.1 130
12 Plymouth 3.8 97
11 Tamworth 4.0 102
Reference

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

New Hampshire Precipitation
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