August weather forecast
Millburn, NJ

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Weather in August

August, the last month of the summer in Millburn, is also a moderately hot month, with an average temperature varying between 81.9°F (27.7°C) and 67.3°F (19.6°C).

Temperature

Millburn commences August with an average high-temperature of a still warm 81.9°F (27.7°C), maintaining a close resemblance to the previous month. During the month of August, the nighttime temperature falls to an average of 67.3°F (19.6°C).

Heat index

The heat index value during August is computed to be a hot 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The months with the lowest humidity are April and August, with an average relative humidity of 72%.

Rainfall

In Millburn, in August, it is raining for 13.1 days, with typically 1.02" (26mm) of accumulated precipitation. In Millburn, during the entire year, the rain falls for 117.5 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

Sunshine

In Millburn, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

In Millburn, 81.9°F (27.7°C) is the average high-temperature and 67.3°F (19.6°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 86°F (30°C).

What are the least humid months?

The months with the lowest humidity are April and August, with an average relative humidity of 72%.

What is the average humidity in August?

In Millburn, the average relative humidity in August is 72%.

How much does it rain in August?

In Millburn, in August, during 13.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in August?

In August, the average day length is 13h and 45min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:30 pm EDT.

How many hours of sunshine does Millburn have in August?

In Millburn, New Jersey, the average sunshine duration in August is 10.4h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Millburn, NJ

Average temperature in August - Millburn, NJ
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in August
Millburn, NJ

Average pressure in August - Millburn, 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 (29.93"Hg).

Average wind speed in August
Millburn, NJ

Average wind speed in August - Millburn, NJ
  • Average wind speed in August: 6.1mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in August
Millburn, NJ

Average humidity in August - Millburn, NJ
  • Average humidity in August: 72%

The months with the highest relative humidity are February and December (77%).
The months with the lowest relative humidity are April and August (72%).

Average rainfall in August
Millburn, NJ

Average rainfall in August - Millburn, NJ
  • Average rainfall in August: 1.02"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in August
Millburn, NJ

Average rainfall days in August - Millburn, NJ
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in August
Millburn, NJ

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

The month with the highest snowfall is March (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Millburn, NJ

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

The month with the highest number of snowfall days is February (5.1 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
Millburn, NJ

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in August
Millburn, NJ

Average sunshine days in August - Millburn, NJ
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in August
Millburn, NJ

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

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

Average cloud cover in August
Millburn, NJ

Average cloud cover in August - Millburn, NJ
  • Average cloud cover in August: 30

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Millburn, NJ

Average visibility in August - Millburn, 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).

Millburn, New Jersey, USA

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