North Brunswick Climate by Month
North Brunswick, New Jersey, United States
Hot summers and cold winters, with rain spread through the year.
Hot summers and cold winters, with rain spread through the year: that's North Brunswick's climate in short. Expect highs of 87°F (30°C) in July and 40°F (5°C) in January, with the coldest nights (January) near 23°F (-5°C). About 48 in (1211 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(30°C)
- Average high, July
- Coldest nights
- 23°F(-5°C)
- Average low, January
- Rain per year
- 48 in(1211 mm)
- No clear rainy season
- Humidity
- 66%
- Sunniest: July
Best and worst months in North Brunswick
Best for weatherThe most comfortable weather comes in May and September, with highs around 76°F (24°C) and about 4.0 in (102 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 40°F (5°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 May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
North Brunswick weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 40°F(5°C) | 23°F(-5°C) | 3.6 in(91 mm) | 66% | 1.8 |
| FebFebruary | 43°F(6°C) | 24°F(-4°C) | 2.8 in(72 mm) | 61% | 2.7 |
| MarMarch | 52°F(11°C) | 31°F(0°C) | 4.2 in(106 mm) | 56% | 3.7 |
| AprApril | 63°F(17°C) | 41°F(5°C) | 3.7 in(93 mm) | 61% | 4.6 |
| MayMayBest | 73°F(23°C) | 50°F(10°C) | 3.7 in(93 mm) | 64% | 5.3 |
| JunJune | 82°F(28°C) | 60°F(15°C) | 4.7 in(120 mm) | 66% | 5.7 |
| JulJuly | 87°F(30°C) | 65°F(18°C) | 5.0 in(126 mm) | 66% | 5.8 |
| AugAugust | 85°F(29°C) | 63°F(17°C) | 4.4 in(111 mm) | 70% | 5.1 |
| SepSeptemberBest | 78°F(26°C) | 56°F(14°C) | 4.3 in(110 mm) | 70% | 4.0 |
| OctOctober | 67°F(19°C) | 45°F(7°C) | 3.9 in(99 mm) | 72% | 2.9 |
| NovNovember | 56°F(13°C) | 36°F(2°C) | 3.4 in(86 mm) | 67% | 2.0 |
| DecDecember | 45°F(7°C) | 28°F(-2°C) | 4.1 in(104 mm) | 68% | 1.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate outside the United States
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