August weather forecast
Northfield, NJ

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Weather in August

The last month of the summer, August, is another warm month in Northfield, New Jersey, with an average temperature ranging between max 80.2°F (26.8°C) and min 70.7°F (21.5°C).

Temperature

Northfield notes an average high-temperature of a still warm 80.2°F (26.8°C) in August, displaying minor variation from July. August nights are marked by an average low-temperature of 70.7°F (21.5°C).

Humidity

In Northfield, the average relative humidity in August is 77%.

Rainfall

August is the month with the most rainfall. Rain falls for 14.6 days and accumulates 2.01" (51mm) of precipitation.

Snowfall

In Northfield, snow does not fall in May through October.

Daylight

In Northfield, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August is 10.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during August leads to these instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Northfield?

The average high-temperature and low-temperature in Northfield during August are 80.2°F (26.8°C) and 70.7°F (21.5°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August is 77%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 14.6 days and accumulates 2.01" (51mm) of precipitation.

How much does it rain in August?

In Northfield, in August, it is raining for 14.6 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow?

In Northfield, snow does not fall in May through October.

How many hours of daylight does Northfield have in August?

The average day length in August is 13h and 40min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:58 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Northfield have in August?

In Northfield, the average sunshine duration in August is 10.6h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

How high is the UV index in August?

In Northfield, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Northfield, NJ

Average temperature in August - Northfield, NJ
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 70.7°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
Northfield, NJ

Average pressure in August - Northfield, NJ
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Northfield, NJ

Average wind speed in August - Northfield, NJ
  • Average wind speed in August: 8mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).

Average humidity in August
Northfield, NJ

Average humidity in August - Northfield, NJ
  • Average humidity in August: 77%

The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is November (73%).

Average rainfall in August
Northfield, NJ

Average rainfall in August - Northfield, NJ
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in August
Northfield, NJ

Average rainfall days in August - Northfield, NJ
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in August
Northfield, NJ

Average snowfall in August - Northfield, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Northfield, NJ

Average snowfall days in August - Northfield, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Northfield, NJ

Average daylight in August / Average sunshine in August - Northfield, NJ
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Northfield, NJ

Average sunshine days in August - Northfield, NJ
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in August
Northfield, NJ

Average UV index in August - Northfield, NJ
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in August
Northfield, NJ

Average cloud cover in August - Northfield, NJ
  • Average cloud cover in August: 27

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in August
Northfield, NJ

Average visibility in August - Northfield, NJ
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Northfield, New Jersey, USA

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