Newark, NJ Climate & Monthly Averages
The climate of Newark
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.
Climate quick facts
- 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%
Temperatures through 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.
Rain, sun and snow
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).
How Newark compares
- 28% of the year's precipitation falls in its wettest three months - more evenly spread than almost every other city we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| 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 month by month
Average high and low for each month, with the bar showing where it sits in Newark's year (left is the coldest night, right is the 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
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons 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.
Climate questions, answered
How sunny is Newark?
When does Newark drop below freezing?
How warm is Newark on average?
How cold does Newark get in winter?
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.
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.
Newark temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.