August weather forecast and climate
Bernardsville, NJ

Weather in August

The last month of the summer, August, is another warm month in Bernardsville, New Jersey, with average temperature ranging between min 63.9°F (17.7°C) and max 81.9°F (27.7°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 81.9°F (27.7°C). In Bernardsville, in August, the average low-temperature is 63.9°F (17.7°C).

Heat index

The average heat index is evaluated at a hot 87.3°F (30.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, differences in body mass, height, and shape, pregnancy). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Bernardsville, New Jersey, is 75%.

Rainfall

In Bernardsville, during August, the rain falls for 15.8 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Bernardsville, New Jersey, during the entire year, the rain falls for 155.7 days and collects up to 27.64" (702mm) of precipitation.

Snowfall

In Bernardsville snow does not fall in June through October.

Daylight

In August, the average length of the day in Bernardsville is 13.7h.

Sunshine

In August, the average sunshine in Bernardsville is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Bernardsville. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Bernardsville?

In August, in Bernardsville, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 63.9°F (17.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines relative humidity and air temperature, is calculated to 87.3°F (30.7°C).

What is the average humidity in August in Bernardsville?

In Bernardsville, New Jersey, the average relative humidity in August is 75%.

How much does it rain in Bernardsville in August?

In Bernardsville, in August, during 15.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When it does not snow in Bernardsville?

June through October are months without snowfall in Bernardsville, New Jersey.

How many hours of daylight does Bernardsville have in August?

In Bernardsville, the average length of the day in August is 13.7h.

How many hours of sunshine does Bernardsville have in August?

In Bernardsville, New Jersey, the average sunshine in August is 9.9h.

When is the highest UV index in Bernardsville?

Months with the highest UV index in Bernardsville, New Jersey, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Bernardsville?

The average daily maximum UV index in August in Bernardsville, New Jersey, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in August
Bernardsville, NJ

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

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in August
Bernardsville, NJ

Average pressure in August - Bernardsville, NJ
  • Average pressure in August: 29.99"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in August
Bernardsville, NJ

Average wind speed in August - Bernardsville, NJ
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in August
Bernardsville, NJ

Average humidity in August - Bernardsville, NJ
  • Average humidity in August: 75%

Months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in August
Bernardsville, NJ

Average rainfall in August - Bernardsville, NJ
  • Average rainfall in August: 2.72"

The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in August
Bernardsville, NJ

Average rainfall days in August - Bernardsville, NJ
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in August
Bernardsville, NJ

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

The month with the highest snowfall is March (4.09").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Bernardsville, NJ

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

The month with the highest number of snowfall days is January (7.2 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Bernardsville, NJ
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 9.9h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in August
Bernardsville, NJ

Average sunshine days in August - Bernardsville, NJ
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index in August
Bernardsville, NJ

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

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

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Average cloud cover in August
Bernardsville, NJ

Average cloud cover in August - Bernardsville, NJ
  • Average cloud cover in August: 35

Months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in August
Bernardsville, NJ

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

Months with the highest visibility are January, February, March, April, July, August, October, November and December (6mi).
Months with the lowest visibility are May, June and September (5mi).

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