August weather forecast
Chester, NJ

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Weather in August

August, the last month of the summer in Chester, is also a moderately hot month, with an average temperature varying between 63°F (17.2°C) and 81.3°F (27.4°C).

Temperature

At the start of August, Chester's average high-temperature reaches a still moderately hot 81.3°F (27.4°C), subtly different from the preceding month. In the month of August, Chester experiences an average low-temperature of 63°F (17.2°C).

Heat index

Throughout August, the heat index is estimated at a hot 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical 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

In August, the average relative humidity in Chester is 76%.

Rainfall

In Chester, during August, the rain falls for 15.5 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Chester, during the entire year, the rain falls for 162.6 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

In Chester, New Jersey, snow does not fall in June through September.

Daylight

In Chester, the average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 5:56 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:32 pm EDT.

Sunshine

In Chester, the average sunshine in August is 10h.

UV index

In Chester, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the usual temperature for Chester in August?

During August, Chester experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 63°F (17.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in August in Chester?

The average relative humidity in August in Chester is 76%.

How many days does it rain in August in Chester?

In August, the rain falls for 15.5 days. Throughout August, 2.91" (74mm) of precipitation is accumulated.

When it does not snow in Chester?

June through September are months without snowfall.

What is the average length of the day in August in Chester?

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

When is the sunrise / sunset in August in Chester?

On the first day of August in Chester, sunrise is at 5:56 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:32 pm EDT.

How long on average sun shines in August in Chester?

In August, the average sunshine duration in Chester, New Jersey, is 10h.

What is the UV index reading in August in Chester?

The average daily maximum UV index in August in Chester is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Chester, NJ

Average temperature in August - Chester, NJ
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in August
Chester, NJ

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

Average wind speed in August - Chester, NJ
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in August
Chester, NJ

Average humidity in August - Chester, NJ
  • Average humidity in August: 76%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in August
Chester, NJ

Average rainfall in August - Chester, NJ
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in August
Chester, NJ

Average rainfall days in August - Chester, NJ
  • Average rainfall days in August: 15.5 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in August
Chester, NJ

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

The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Chester, NJ

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in August
Chester, NJ

Average sunshine days in August - Chester, NJ
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in August
Chester, NJ

Average UV index in August - Chester, NJ
  • Average UV index in August: 5

The months with the highest UV index are June and July (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
Chester, NJ

Average cloud cover in August - Chester, NJ
  • Average cloud cover in August: 34

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

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Average visibility in August
Chester, NJ

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

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

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Chester, New Jersey, USA

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