Newark, NJ Climate & Monthly Averages
Newark has a humid subtropical climate. July is the hottest month, averaging 86° by day; January is the coldest at 40°.
Newark's climate is a story of contrasts
Newark runs one of the wider annual swings in our dataset: 25°C separates the average July from the average January. Afternoons reach 86°F (30°C) at the peak of summer and 40°F (4°C) at the depth of winter, with 131 days of measurable precipitation through the year.
July
86° by day 69° at nightJanuary
40° by day 26° at nightThe two ends of the year
January is the coolest month, with highs of 40°F (4°C) and lows near 26°F (-4°C). Warmth peaks in July: highs of 86°F (30°C), lows of 69°F (20°C). Snow falls on roughly 12 days a year, mostly December through March.
Between the average July and the average January lie 25°C, a wider spread than roughly 82% of the cities we track. Overnight lows average at or below freezing for 3 months, December through February. The wettest month is July (5.5 inches (140 mm) across 14 days) and the driest November. Sunshine averages 8.5 hours a day over the year, peaking in July at 11.5 hours.
Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum -6°F (-21°C).
More climate facts for Newark
- Hottest month: July - highs near 86°F (30°C)
- Coldest month: January - highs near 40°F (4°C)
- Decade extremes (2015-2024): 100°F (38°C) high · -6°F (-21°C) low
- Wettest month: July (14 rainy days) · Sunniest: July (11.5 h sun/day)
- Climate type: humid subtropical
- Annual swing: 25°C between the average warmest and coolest month · day to night: 9°C
- Snow: about 12 days a year
- Months with freezing average lows: 3
- Average humidity: 70%
Four distinct parts of the year in Newark
Spring (March through May)
Spring in Newark is crisp but comfortable, with daytime highs averaging 60°F (16°C) and nights around 42°F (6°C); rain falls on around 35 of the 90 days, plus about 3 snowy days.
Summer (June through August)
Summer in Newark sits firmly in the heat, with daytime highs averaging 83°F (28°C) and nights around 66°F (19°C); rain falls on around 38 of the 90 days. Daylight is generous - around 11.1 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Fall in Newark is mild, with daytime highs averaging 66°F (19°C) and nights around 50°F (10°C); expect showers on roughly 28 days across the season.
Winter (December through February)
Winter in Newark runs cold, with daytime highs averaging 43°F (6°C) and nights around 28°F (-2°C); rain falls on around 30 of the 90 days, plus about 8 snowy days.
Newark temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.
Choosing a season in Newark
Best time to visit Newark
The best time to visit Newark is generally May to June and September to October, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 73°F (23°C), with rain on about 11 days a month. For the same question asked the other way round, see where else is warm in May.
What to pack
Pack for Newark with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. July nights average 69°F (20°C), so evenings rarely match the afternoons.
Monthly highs, lows and seasonal change
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 40° | 26° | 10 | 4.0 in | 6.1 h/day | 9.6 h | 31% | 66% |
| February | 43° | 26° | 10 | 3.5 in | 6.9 h/day | 10.6 h | 35% | 68% |
| March | 50° | 32° | 10 | 4.5 in | 8.2 h/day | 11.8 h | 33% | 65% |
| April | 60° | 42° | 13 | 4.5 in | 8.7 h/day | 13.2 h | 43% | 66% |
| May | 71° | 53° | 12 | 3.7 in | 9.9 h/day | 14.4 h | 39% | 70% |
| June | 80° | 62° | 11 | 4.1 in | 11.0 h/day | 15.1 h | 38% | 69% |
| July | 86° | 69° | 14 | 5.5 in | 11.5 h/day | 14.8 h | 44% | 72% |
| August | 83° | 67° | 12 | 4.1 in | 10.8 h/day | 13.8 h | 40% | 73% |
| September | 77° | 61° | 10 | 5.0 in | 9.0 h/day | 12.4 h | 34% | 73% |
| October | 66° | 50° | 9 | 4.8 in | 7.7 h/day | 11.0 h | 30% | 73% |
| November | 54° | 38° | 8 | 3.0 in | 7.1 h/day | 9.8 h | 28% | 69% |
| December | 45° | 31° | 11 | 4.5 in | 5.6 h/day | 9.3 h | 35% | 72% |
Newark from the coldest month to the hottest
Each card shows the average high and low. The bar places that month between Newark's coldest night and warmest afternoon.
January
- Rain
- 10 days
- Sunshine
- 6.1 h
- Daylight
- 9.6 h
- Snow
- 3 days
February
- Rain
- 10 days
- Sunshine
- 6.9 h
- Daylight
- 10.6 h
- Snow
- 4 days
March
- Rain
- 10 days
- Sunshine
- 8.2 h
- Daylight
- 11.8 h
- Snow
- 3 days
April
- Rain
- 13 days
- Sunshine
- 8.7 h
- Daylight
- 13.2 h
May
- Rain
- 12 days
- Sunshine
- 9.9 h
- Daylight
- 14.4 h
June
- Rain
- 11 days
- Sunshine
- 11.0 h
- Daylight
- 15.1 h
July
- Rain
- 14 days
- Sunshine
- 11.5 h
- Daylight
- 14.8 h
August
- Rain
- 12 days
- Sunshine
- 10.8 h
- Daylight
- 13.8 h
September
- Rain
- 10 days
- Sunshine
- 9.0 h
- Daylight
- 12.4 h
October
- Rain
- 9 days
- Sunshine
- 7.7 h
- Daylight
- 11.0 h
November
- Rain
- 8 days
- Sunshine
- 7.1 h
- Daylight
- 9.8 h
December
- Rain
- 11 days
- Sunshine
- 5.6 h
- Daylight
- 9.3 h
- Snow
- 2 days
Looking for warmer alternatives? Browse warm places by month, or compare Newark's coolest part of the year: January, February, December.
Where Newark sits among other climates
- 28% of the year's precipitation falls in its wettest three months - more evenly spread than almost every other city we track.
These comparisons use the same ten-year window for every city in the dataset.