Average Annual Precipitation for New Hampshire

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The tables below give yearly averages for rainfall plus snowfall at cities, towns and parks in New Hampshire.

Each place has a total for the amount of precipitation it usually receives in a year. Most locations also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

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

Southern New Hampshire

Average yearly precipitation
Days Place Inches Millimetres
131 Concord 40.6 1031
115 Durham 46.0 1169
  – Franklin Falls Reservoir Dam 45.7 1160
128 Keene 43.6 1107
132 Laconia & Lakeport 44.2 1121
140 Lebanon 38.0   966
113 Massabesic Lake 42.1 1068
129 Mount Sunapee 47.5 1206
121 Nashua 48.0 1218
123 Portsmouth & Greenland 50.9 1293
  – Surry Mountain Lake 45.8 1163

Northern New Hampshire

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
116 Berlin 41.5 1054
171 Bethlehem 39.5 1004
125 Colebrook 40.5 1029
186 First Connecticut Lake 46.1 1171
210 Mount Washington 96.9 2460
138 North Conway 49.6 1260
157 Pinkham Notch 62.0 1575
138 Plymouth 44.3 1126
148 Tamworth 52.4 1330
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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New Hampshire Precipitation

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