August weather forecast
North Caldwell, NJ

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Weather in August

The last month of the summer, August, is another warm month in North Caldwell, New Jersey, with an average temperature varying between 64.9°F (18.3°C) and 82°F (27.8°C).

Temperature

August experiences an average high-temperature of a still warm 82°F (27.8°C), barely different from July's 83.8°F (28.8°C). In August, the recorded average low-temperature in North Caldwell is a refreshing 64.9°F (18.3°C).

Heat index

The heat index value during August is computed to be a tropical 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The months with the lowest humidity in North Caldwell are April and August, with an average relative humidity of 73%.

Rainfall

In August, in North Caldwell, New Jersey, the rain falls for 16.1 days. Throughout August, 2.68" (68mm) of precipitation is accumulated. In North Caldwell, during the entire year, the rain falls for 158 days and collects up to 27.4" (696mm) of precipitation.

Snowfall

June through October are months without snowfall.

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 6:23 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August in North Caldwell is 10.1h.

UV index

June 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 hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What are the temperatures in North Caldwell in August?

The high-temperature, in August, in North Caldwell, is 82°F (27.8°C), while the low-temperature averages to 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 87.8°F (31°C).

What are the least humid months in North Caldwell?

April and August, with an average relative humidity of 73%, are the least humid months in North Caldwell.

What is the average humidity in August in North Caldwell?

The average relative humidity in August is 73%.

How much does it rain in North Caldwell in August?

In North Caldwell, New Jersey, in August, during 16.1 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in North Caldwell?

In North Caldwell, snow does not fall in June through October.

How many hours of daylight does North Caldwell have in August?

The average day length in August in North Caldwell is 13h and 45min.

When are sunrise and sunset in August in North Caldwell?

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 6:23 am and sunset at 7:30 pm EDT.

How long on average sun shines in August in North Caldwell?

In August, the average sunshine duration in North Caldwell is 10.1h.

When is the highest UV index in North Caldwell?

The months with the highest UV index in North Caldwell, New Jersey, are June through August, with an average maximum UV index of 6.

How high is the UV index in August in North Caldwell?

The average daily maximum UV index in August in North Caldwell, New Jersey, is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
North Caldwell, NJ

Average temperature in August - North Caldwell, NJ
  • Average high temperature in August: 82°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 (34.9°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in August
North Caldwell, NJ

Average pressure in August - North Caldwell, 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).

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Average wind speed in August
North Caldwell, NJ

Average wind speed in August - North Caldwell, NJ
  • Average wind speed in August: 5.5mph

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 (5.5mph).

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Average humidity in August
North Caldwell, NJ

Average humidity in August - North Caldwell, NJ
  • Average humidity in August: 73%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in August
North Caldwell, NJ

Average rainfall in August - North Caldwell, NJ
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in August
North Caldwell, NJ

Average rainfall days in August - North Caldwell, NJ
  • Average rainfall days in August: 16.1 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
North Caldwell, NJ

Average snowfall in August - North Caldwell, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
North Caldwell, NJ

Average snowfall days in August - North Caldwell, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (7 days).
The 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
North Caldwell, NJ

Average daylight in August / Average sunshine in August - North Caldwell, NJ
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in August
North Caldwell, NJ

Average sunshine days in August - North Caldwell, NJ
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in August
North Caldwell, NJ

Average UV index in August - North Caldwell, 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).

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Average cloud cover in August
North Caldwell, NJ

Average cloud cover in August - North Caldwell, NJ
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
North Caldwell, NJ

Average visibility in August - North Caldwell, NJ
  • Average visibility in August: 6mi

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

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North Caldwell, New Jersey, USA

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