HackensackReport this photo · linked, not stored
Hackensack climate by month
What the weather is like
Hackensack has a hot-summer humid continental climate (Köppen Dfa): warm summers, cold winters and precipitation in every season.
The warmest month is July, when afternoons average 86° and nights 68°. January is the coolest month, with highs of 39° and lows of 24°. The difference between the warmest and the coolest month is about 45°, a large swing typical of continental interiors.
About 45.6 in of precipitation falls in an average year. June is the wettest month (3.8 in, 14 wet days) and February the driest (2.9 in, 9 wet days). Cloud cover ranges from 31% in July to 40% in January.
The sea reaches about 74° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Washington, the capital, Hackensack is 1.5° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 86° · July
- Coldest nights
- 24° · January
- Wettest month
- June
- Driest month
- February
- Clearest skies
- July · 31% cloud
- Warmest sea
- 74° · August
- Longest day
- 15 h 06 min
- Shortest day
- 9 h 15 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 39° | 42° | 50° | 62° | 73° | 82° | 86° | 84° | 77° | 65° | 54° | 44° |
| Average low | 24° | 25° | 33° | 43° | 53° | 62° | 68° | 66° | 59° | 47° | 38° | 30° |
| Precipitation | 3.1 in | 2.9 in | 3.9 in | 4.1 in | 4.0 in | 3.8 in | 4.3 in | 4.2 in | 3.9 in | 4.0 in | 3.7 in | 3.7 in |
| Wet days (≥1 mm) | 8.8 | 8.7 | 10.7 | 10.6 | 13.2 | 13.6 | 12.6 | 13.2 | 9.6 | 9.8 | 8.7 | 10.3 |
| Cloud cover | 40% | 40% | 40% | 40% | 39% | 36% | 31% | 32% | 33% | 33% | 38% | 40% |
| Sea temperature | 43° | 40° | 41° | 46° | 55° | 65° | 72° | 74° | 71° | 63° | 55° | 48° |
| Daylight | 9h 34 | 10h 40 | 11h 54 | 13h 18 | 14h 28 | 15h 06 | 14h 50 | 13h 49 | 12h 30 | 11h 09 | 9h 55 | 9h 15 |
| Month score | 33 | 33 | 29 | 65 | 65 | 55 | 48 | 51 | 76 | 76 | 47 | 30 |