United StatesAverage weather for New Jersey in August
It's hot in August in New Jersey with an average temperature of 30°C. Temperatures this month range from a low of 27°C to a high of 32°C. At night, you can expect temperatures between 17°C and 22°C.
Start of August
The month of August starts in New Jersey with hot temps, averaging around 30°C during the day and nights around 20°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid August
By mid-August, daytime temps rise to around 31°C, with nights around 21°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in New Jersey is around 30°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended.
In August, there is an average of 128 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
New Jersey in August |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 30°C | |
 Max. temperature |
32°C | 31°C | |
| Min. temperature |
27°C | -5°C | |
 Total precipitation |
128 mm | 79 mm | |
| Rainy days |
8 days | 13 days | |
July
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit New Jersey?
Looking for sun? August isn’t a good month to be in New Jersey. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 37°C in 2018, New Jersey reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 20°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 27°C.
Check out the climate of New Jersey for all months and discover the best travel time
The climate in New Jersey is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in New Jersey to get the full picture of the climate.
Daily Temperature in August in New Jersey
This chart shows the average daily high and low temperatures in August for New Jersey, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in New Jersey
The chart below shows the average daily precipitation in August for New Jersey, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 8 days of precipitation in New Jersey.
Daily UV index in August in New Jersey
This chart shows the average daily UV index in August in New Jersey, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in New Jersey over the years
This chart shows the average temperature in August in New Jersey, measured in degrees Celsius, over the past few years.
Total precipitation in August in New Jersey over the years
This chart shows the average precipitation in August in New Jersey, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for New Jersey
Click on any day in August to get detailed info about the usual weather on that day in New Jersey. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in New Jersey
Have you been to New Jersey in August?
Share your weather experience in August in New Jersey.
Average weather in New Jersey by month
Click on a month below to see detailed weather info for New Jersey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of New Jersey for all months at once
