Newark, NJ weather in August
Expect warm, often humid weather with some rain in Newark in August, with highs near 85°F and lows near 68°F. Rain falls on about 10 days. It is one of the warmest months in Newark.
- Normal high
- 85°F
- Normal low
- 68°F
- Wet days
- 10
- 4.2 in total
- Muggy days
- 14
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 86°F | 83°F |
| Normal low | 70°F | 66°F |
| Chance of a wet day | 34% | 28% |
| Sunrise / sunset | 5:53 am / 8:12 pm | 6:22 am / 7:31 pm |
| Daylight | 14.3 h | 13.1 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 August day
- 6 am70°Fdew point 63°F
- 9 am77°Fdew point 63°F
- Noon82°Fdew point 62°F
- 3 pm83°Fdew point 62°F
- 6 pm80°Fdew point 63°F
- 9 pm76°Fdew point 64°F
NOAA hourly normals (local standard time) from Newark Intl Airport (4 mi away); average wind 8 mph; clear or few clouds in 55% of daytime hours, mostly cloudy or overcast in 33%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Hot dayshigh 90°F or more7 of 31
- Muggy daysdaily mean dew point 65°F or more14 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 August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 4.2 in; a dry August brings about 2.5 in and a wet one about 5.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202016: average high 89°F
- Coolest August2000: average high 80°F
- Wettest August2011: 18.8 in
- Driest August1995: 0.4 in
- Highest reading105°F (August 9, 2001)
- Lowest reading55°F (August 22, 2004)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 87°F | 85°F | 78°F |
| Normal low | 69°F | 68°F | 61°F |
| Wet days | 10 | 10 | 9 |
| Comfortable days | 2 | 3 | 14 |
| Daylight | 14.8 h | 13.8 h | 12.5 h |
Highs change by -2°F from July and -7°F into September.
Nearby alternatives in August
- Cooler: Montauk, NY118 mi · high 80°F · 9 wet days
How Newark ranks in August
- Normal high212th warmest of 378 cities; 2nd of 3 in New Jersey
- Wet days247th driest of 378
- Comfortable days165th most of 341
What to pack for Newark in August
- Light, breathable clothing – highs near 85°F and about 14 muggy days
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
August has 1 heating degree days and 353 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Newark in August?
The normal high is 85°F and the normal low is 68°F. From 1991 to 2020 the hottest August reading was 105°F (August 9, 2001).
Does it rain a lot in Newark in August?
About 10 days in August have at least 0.01 in of precipitation, and the normal total is 4.2 in. The wettest August in 1991-2020 was in 2011 (18.8 in); the driest was in 1995 (0.4 in).
Is August a good time to visit Newark?
August ranks 6th of 12 months on our comfort score for Newark (50 out of 100). It has about 3 comfortable days and about 7 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.