Salem, New Hampshire Climate by Month
Salem, New Hampshire, United States
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Salem's climate in short. July is the warmest month, with highs around 83°F (28°C); January is the coolest at 35°F (2°C), and nights dip to 16°F (-9°C). It gets 44 in (1114 mm) of rain a year, spread across the months.
- Warmest month
- 83°F(28°C)
- Average high, July
- Coldest nights
- 16°F(-9°C)
- Average low, January
- Rain per year
- 44 in(1114 mm)
- No clear rainy season
- Humidity
- 65%
- Sunniest: July
Best and worst months in Salem
Best for weatherThe most comfortable weather comes in June and September, with highs around 76°F (25°C) and about 3.6 in (92 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 35°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Salem weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 35°F(2°C) | 16°F(-9°C) | 3.6 in(91 mm) | 64% | 1.6 |
| FebFebruary | 38°F(3°C) | 18°F(-8°C) | 3.1 in(78 mm) | 59% | 2.5 |
| MarMarch | 45°F(7°C) | 25°F(-4°C) | 3.9 in(99 mm) | 57% | 3.5 |
| AprApril | 57°F(14°C) | 36°F(2°C) | 3.9 in(100 mm) | 56% | 4.6 |
| MayMay | 69°F(21°C) | 46°F(8°C) | 3.3 in(85 mm) | 63% | 5.2 |
| JunJuneBest | 77°F(25°C) | 55°F(13°C) | 3.6 in(91 mm) | 68% | 5.5 |
| JulJuly | 83°F(28°C) | 61°F(16°C) | 3.5 in(89 mm) | 71% | 5.7 |
| AugAugust | 82°F(28°C) | 60°F(15°C) | 3.2 in(82 mm) | 70% | 5.2 |
| SepSeptemberBest | 75°F(24°C) | 52°F(11°C) | 3.6 in(92 mm) | 75% | 4.0 |
| OctOctober | 63°F(17°C) | 40°F(5°C) | 4.3 in(108 mm) | 69% | 2.6 |
| NovNovember | 51°F(11°C) | 32°F(0°C) | 3.8 in(96 mm) | 67% | 1.7 |
| DecDecember | 40°F(5°C) | 23°F(-5°C) | 4.1 in(103 mm) | 66% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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