August weather forecast
Chester, CT

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Weather in August

The last month of the summer, August, is also a moderately hot month in Chester, Connecticut, with an average temperature fluctuating between 65.7°F (18.7°C) and 78.6°F (25.9°C).

Temperature

The shift into August reveals an average high-temperature of a still moderately hot 78.6°F (25.9°C), closely mirroring July's climate. The average low-temperature, in August, in Chester, is a comfortable 65.7°F (18.7°C).

Humidity

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

Rainfall

In Chester, in August, it is raining for 16.4 days, with typically 2.91" (74mm) of accumulated precipitation. In Chester, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Chester, Connecticut, the average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 5:45 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:24 pm EDT.

Sunshine

With an average of 10.6h of sunshine, August has the most sunshine of the year.

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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the average August temperature in Chester?

During August, Chester experiences an average high-temperature of 78.6°F (25.9°C) and a low-temperature of 65.7°F (18.7°C).

What is the average humidity in August in Chester?

The average relative humidity in August in Chester, Connecticut, is 77%.

How many days does it rain in August in Chester?

In Chester, in August, during 16.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Chester?

June through October are months without snowfall.

How many hours of daylight does Chester have in August?

The average day length in August in Chester, Connecticut, is 13h and 47min.

When are sunrise and sunset in August in Chester?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:24 pm EDT.

What month has the most sunshine in Chester?

August has the most sunshine of the year in Chester, Connecticut, with an average of 10.6h of sunshine.

How many hours of sunshine does Chester have in August?

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

When is the highest UV index in Chester?

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

How high is the UV index in August in Chester?

In Chester, Connecticut, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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, CT

Average temperature in August - Chester, CT
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in August
Chester, CT

Average pressure in August - Chester, CT
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Chester, CT

Average wind speed in August - Chester, CT
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in August
Chester, CT

Average humidity in August - Chester, CT
  • Average humidity in August: 77%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in August
Chester, CT

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

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in August
Chester, CT

Average rainfall days in August - Chester, CT
  • Average rainfall days in August: 16.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

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Average snowfall in August
Chester, CT

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

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Chester, CT

Average snowfall days in August - Chester, CT
  • 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 and September (0 days).

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

Average daylight in August / Average sunshine in August - Chester, CT
  • 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 12min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in August
Chester, CT

Average sunshine days in August - Chester, CT
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in August
Chester, CT

Average UV index in August - Chester, CT
  • 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
Chester, CT

Average cloud cover in August - Chester, CT
  • Average cloud cover in August: 29

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Chester, CT

Average visibility in August - Chester, CT
  • 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).

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Chester, Connecticut, USA

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