Weather & Climate at Portsmouth Shipyard Navy Base in Portsmouth, NH
Summary of the weather and climate in Portsmouth, NH:
- The average high in Portsmouth, NH is 58.7°F and average low is 37.1°F
- The hottest month is July with an high of 82°F
- The coldest month is January with an low of 14.8°F
- Annual rainfall is 50.89 inches. The rainiest month is March with an average of 4.99 inches.
- Annual snowfall is 59.9 inches. The snowiest month is January with an average of 18.1 inches.
SOURCE: NOAA.GOV
Climate Table — Portsmouth Shipyard Navy Base
Monthly Averages:
| High (°F) | Low (°F) | Rainfall (inches) | Snowfall (inches) | |
|---|---|---|---|---|
| January | 33.9 | 14.8 | 3.61 | 18.1 |
| February | 37.6 | 17.6 | 3.55 | 12.9 |
| March | 45.4 | 25 | 4.99 | 11.4 |
| April | 57 | 34.2 | 4.7 | 2.7 |
| May | 67.6 | 43.4 | 4.24 | 0 |
| June | 76.9 | 53.1 | 4.34 | 0 |
| July | 82 | 58.5 | 4.1 | 0 |
| August | 80.6 | 57.2 | 3.49 | 0 |
| September | 72.8 | 49.9 | 4.05 | 0 |
| October | 61.3 | 38.7 | 4.57 | 0 |
| November | 50.1 | 31 | 4.86 | 1.8 |
| December | 39.1 | 21.3 | 4.39 | 13 |
Climate Charts — Portsmouth Shipyard Navy Base
Weather through the year:
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