August weather forecast
Chester, MD

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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 69.6°F and 82.6°F.

Temperature

The average high-temperature during August registers at a still moderately hot 82.6°F, maintaining a close resemblance to the previous month. The nighttime temperature, during August, averages of 69.6°F.

Heat index

August's mean heat index is estimated at a hot 89.6°F. Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

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

Rainfall

In August, in Chester, the rain falls for 14 days. Throughout August, 3.19" of precipitation is accumulated. Throughout the year, there are 159 rainfall days, and 32.36" of precipitation is accumulated.

Snowfall

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

Ocean temperature

August is the month with the warmest seawater in Chester, with an average ocean temperature of 77.7°F.
Note: Water temperature ranging from 77°F to 84.2°F is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

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 6:05 am and sunset at 8:17 pm. On the last day of August, in Chester, sunrise is at 6:33 am and sunset at 7:37 pm EDT.

Sunshine

In August, the average sunshine in Chester is 10.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Chester. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 6 in August transforms into this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! Sand and water increase UV exposure due to their reflective properties.
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Frequently asked questions

How hot is August in Chester?

An average high-temperature, in August, in Chester, is 82.6°F and the average low-temperature is 69.6°F. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 89.6°F.

What is the average humidity in August in Chester?

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

How many days does it rain in August in Chester?

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

When it does not snow in Chester?

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

What is the month with the warmest ocean in Chester?

August is the month with the warmest seawater in Chester, Maryland, with an average ocean temperature of 77.7°F.

How warm is the water in August in Chester?

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

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

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

What time are sunrise and sunset in August in Chester?

On the first day of August in Chester, sunrise is at 6:05 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:37 pm EDT.

How many hours of sunshine does Chester have in August?

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

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

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

What is the UV index reading in August in Chester?

The average daily maximum UV index in August in Chester, Maryland, is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJAugustSOND
Jul
August
Sep
Average high temperature
84.4°F
82.6°F
77.4°F
Average low temperature
71.2°F
69.6°F
63.5°F
Average pressure
29.96"Hg
29.99"Hg
30.05"Hg
Average wind speed
6.6mph
6.6mph
7.4mph
Average max. wind speed
7.5mph
7.3mph
7.7mph
Average wind speed gusts
10.8mph
10.6mph
11.7mph
Average humidity
76%
76%
77%
Average rainfall
3.31"
3.19"
1.89"
Average rainfall days
16.8
14
12.5
Average snowfall
0"
0"
0"
Average snowfall days
0
0
0
Average sea temperature
76.1°F
77.8°F
73.9°F
Average daylight
14h 4min
13h 4min
12h 2min
Average sunshine
10h 5min
10h 3min
9h 2min
Average sunshine days
12.3
15.2
16.2
Average UV index
6
6
5
Average cloud cover
28%
29%
34%
Average visibility
6mi
6mi
6mi

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 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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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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Chester, Maryland, USA

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