August weather forecast
Chester, MD

Weather in August

The last month of the summer, August, is also a moderately hot month in Chester, Maryland, with an average temperature varying between 69.6°F (20.9°C) and 82.6°F (28.1°C).

Temperature

In Chester, the average high-temperature in August is practically the same as in July - a still moderately hot 82.6°F (28.1°C). In August, in Chester, the average low-temperature is 69.6°F (20.9°C).

Heat index

The average heat index in August is calculated to be a hot 89.1°F (31.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In August, the rain falls for 14 days. Throughout August, 3.19" (81mm) of precipitation is accumulated. In Chester, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.

Snowfall

In Chester, Maryland, snow does not fall in May through October.

Ocean temperature

The month with the warmest seawater in Chester is August, with an average ocean temperature of 77.7°F (25.4°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In August, the average length of the day in Chester is 13h and 38min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:37 pm EDT.

Sunshine

The average sunshine in August in Chester is 10.5h.

UV index

The months with the highest UV index in Chester are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in August in Chester?

In Chester, Maryland, in August, the average high-temperature is 82.6°F (28.1°C), and the average low-temperature is 69.6°F (20.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.1°F (31.7°C).

What is the average humidity in August in Chester?

In August, the average relative humidity is 76%.

How much does it rain in Chester in August?

In Chester, in August, it is raining for 14 days, with typically 3.19" (81mm) of accumulated precipitation.

When it does not snow in Chester?

May through October are months without snowfall in Chester, Maryland.

When is the ocean warmest in Chester?

The month with the warmest seawater is August, with an average ocean temperature of 77.7°F (25.4°C).

What is the water temperature in August in Chester?

In Chester, Maryland, the average seawater temperature in August is 77.7°F (25.4°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Chester have in August?

In Chester, the average day length in August is 13h and 38min.

When is the sunrise / sunset in August in Chester?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:16 pm. On the last day of the month, in Chester, sunrise is at 6:33 am and sunset at 7:37 pm EDT.

How long on average sun shines in August in Chester?

The average sunshine duration in August in Chester, Maryland, is 10.5h.

What are the months with the highest UV index in Chester?

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

What is the UV index intensity in August in Chester?

In Chester, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in August
Chester, MD

Average temperature in August - Chester, MD
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 69.6°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in August
Chester, MD

Average pressure in August - Chester, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Chester, MD

Average wind speed in August - Chester, MD
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in August
Chester, MD

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

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall in August
Chester, MD

Average rainfall in August - Chester, MD
  • Average rainfall in August: 3.19"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Chester, MD

Average rainfall days in August - Chester, MD
  • Average rainfall days in August: 14 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in August
Chester, MD

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

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Chester, MD

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

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Chester, MD

Average sea temperature in August - Chester, MD
  • Average sea temperature in August: 77.8°F

The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).

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

Average daylight in August / Average sunshine in August - Chester, MD
  • Average daylight in August: 13h and 38min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in August: 10.5h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in August
Chester, MD

Average sunshine days in August - Chester, MD
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in August
Chester, MD

Average UV index in August - Chester, MD
  • Average UV index in August: 6

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

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Average cloud cover in August
Chester, MD

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

The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Chester, MD

Average visibility in August - Chester, MD
  • 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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