Climateby Month

Newark, NJ weather in July

NOAA 1991-2020 normals and daily records · Newark all year

Newark is warm and often humid in July, with frequent rain: highs average 87°F and nights drop to about 69°F. Rain falls on about 10 days. This is the peak of the warm season in Newark.

Normal high
87°F
Normal low
69°F
Wet days
10
4.7 in total
Muggy days
15
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high86°F86°F
Normal low68°F70°F
Chance of a wet day33%34%
Sunrise / sunset5:29 am / 8:31 pm5:52 am / 8:13 pm
Daylight15.0 h14.3 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical July day

  1. 6 am72°Fdew point 64°F
  2. 9 am79°Fdew point 64°F
  3. Noon84°Fdew point 63°F
  4. 3 pm85°Fdew point 63°F
  5. 6 pm82°Fdew point 63°F
  6. 9 pm78°Fdew point 64°F

NOAA hourly normals (local standard time) from Newark Intl Airport (4 mi away); average wind 9 mph; clear or few clouds in 54% of daytime hours, mostly cloudy or overcast in 32%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more11 of 31
  • Muggy daysdaily mean dew point 65°F or more15 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 4.7 in; a dry July brings about 2.4 in and a wet one about 6.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202011: average high 93°F
  • Coolest July1996: average high 81°F
  • Wettest July2020: 11.2 in
  • Driest July1999: 1.0 in
  • Highest reading108°F (July 22, 2011)
  • Lowest reading56°F (July 24, 2007)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high82°F87°F85°F
Normal low64°F69°F68°F
Wet days111010
Comfortable days823
Daylight15.0 h14.8 h13.8 h

Highs change by +5°F from June and -2°F into August.

Nearby alternatives in July

How Newark ranks in July

  • Normal high196th warmest of 378 cities; 2nd of 3 in New Jersey
  • Wet days228th driest of 378
  • Comfortable days168th most of 340

What to pack for Newark in July

  • Light, breathable clothing – highs near 87°F and about 15 muggy days
  • A rain jacket or umbrella – rain on about 10 days
  • Sunglasses and sunscreen – about 14.8 hours of daylight and highs near 87°F

Heating and cooling

July has 0 heating degree days and 408 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How hot is Newark in July?

The normal high is 87°F and the normal low is 69°F. From 1991 to 2020 the hottest July reading was 108°F (July 22, 2011).

Does it rain a lot in Newark in July?

About 10 days in July have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest July in 1991-2020 was in 2020 (11.2 in); the driest was in 1999 (1.0 in).

Is July a good time to visit Newark?

July ranks 7th of 12 months on our comfort score for Newark (49 out of 100). It has about 2 comfortable days and about 11 days at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Newark Intl Airport (USW00014734), 3.7 mi S of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Teterboro Airport (USW00094741), 9.8 mi NE of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Newark Liberty International Airport (725020-14734), 3.6 mi S of the city center, 7 ft . Hourly observations, 1991-2020.