August weather forecast
Chatham Hills, MD

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Weather in August

August, the last month of the summer in Chatham Hills, is also a moderately hot month, with an average temperature varying between 69.1°F (20.6°C) and 83.7°F (28.7°C).

Temperature

August begins with an average high-temperature of a still moderately hot 83.7°F (28.7°C), reflecting close similarity to the preceding month. Chatham Hills, during August, witnesses an average low-temperature of 69.1°F (20.6°C).

Heat index

The average heat index in August is evaluated at a tropical 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In August, the average relative humidity is 73%.

Rainfall

The month with the most rainfall in Chatham Hills is August, when the rain falls for 13.9 days and typically aggregates up to 3.54" (90mm) of precipitation.

Snowfall

In Chatham Hills, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 39min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

Sunshine

In Chatham Hills, the average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

Is it hot in Chatham Hills during August?

The high-temperature, in August, in Chatham Hills, is 83.7°F (28.7°C), while the low-temperature averages to 69.1°F (20.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August in Chatham Hills?

In August, the average relative humidity in Chatham Hills, Maryland, is 73%.

What is the wettest month in Chatham Hills?

The month with the most rainfall is August, when the rain falls for 13.9 days and typically aggregates up to 3.54" (90mm) of precipitation.

How many days does it rain in August in Chatham Hills?

In Chatham Hills, Maryland, in August, it is raining for 13.9 days, with typically 3.54" (90mm) of accumulated precipitation.

When it does not snow in Chatham Hills?

May through October are months without snowfall in Chatham Hills.

What is the average length of the day in August in Chatham Hills?

The average day length in August in Chatham Hills is 13h and 39min.

What time are sunrise and sunset in August in Chatham Hills?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, in Chatham Hills, Maryland, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Chatham Hills have in August?

In Chatham Hills, Maryland, the average sunshine duration in August is 10.4h.

When is the highest UV index in Chatham Hills?

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

How high is the UV index in August in Chatham Hills?

In August, the average daily maximum UV index in Chatham Hills is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Chatham Hills, MD

Average temperature in August - Chatham Hills, MD
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in August
Chatham Hills, MD

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Chatham Hills, MD

Average wind speed in August - Chatham Hills, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Chatham Hills, MD

Average humidity in August - Chatham Hills, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in August
Chatham Hills, MD

Average rainfall in August - Chatham Hills, MD
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Chatham Hills, MD

Average rainfall days in August - Chatham Hills, MD
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in August
Chatham Hills, MD

Average snowfall in August - Chatham Hills, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Chatham Hills, MD

Average snowfall days in August - Chatham Hills, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Chatham Hills, MD

Average daylight in August / Average sunshine in August - Chatham Hills, 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 2min

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 6min).

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Average sunshine days in August
Chatham Hills, MD

Average sunshine days in August - Chatham Hills, MD
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in August
Chatham Hills, MD

Average UV index in August - Chatham Hills, 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, November and December (UV index 2).

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Average cloud cover in August
Chatham Hills, MD

Average cloud cover in August - Chatham Hills, MD
  • Average cloud cover in August: 30

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

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Average visibility in August
Chatham Hills, MD

Average visibility in August - Chatham Hills, 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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Chatham Hills, Maryland, USA

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