August weather forecast
Colesville, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Colesville, Maryland, with an average temperature varying between 84.7°F (29.3°C) and 67.6°F (19.8°C).

Temperature

August notes an average high-temperature of a warm 84.7°F (29.3°C), subtly differing from July's 87.3°F (30.7°C). An average low-temperature of 67.6°F (19.8°C) is observed during the August nights.

Heat index

For most parts of August, the heat index is estimated at a hot 93.2°F (34°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In August, the average relative humidity is 71%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.9 days and accumulates 4.02" (102mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

Is it hot during August?

The average high-temperature, in August, in Colesville, is 84.7°F (29.3°C), while the average low-temperature is 67.6°F (19.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in August?

The average relative humidity in August is 71%.

What is the wettest month in Colesville?

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 4.02" (102mm) of precipitation.

How many days does it rain in August?

In Colesville, during August, the rain falls for 16.9 days and regularly aggregates up to 4.02" (102mm) of precipitation.

When it does not snow?

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

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

In Colesville, the average day length in August is 13h and 39min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

How many hours of sunshine does Colesville have in August?

In August, the average sunshine duration in Colesville is 10.2h.

What is the month with the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Colesville, MD

Average temperature in August - Colesville, MD
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in August
Colesville, MD

Average pressure in August - Colesville, 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).

Average wind speed in August
Colesville, MD

Average wind speed in August - Colesville, MD
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Colesville, MD

Average humidity in August - Colesville, MD
  • Average humidity in August: 71%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in August
Colesville, MD

Average rainfall in August - Colesville, MD
  • Average rainfall in August: 4.02"

The wettest month (with the highest rainfall) is August (4.02").
The driest months (with the least rainfall) are January and February (2.01").

Average rainfall days in August
Colesville, MD

Average rainfall days in August - Colesville, MD
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9 days).

Average snowfall in August
Colesville, MD

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

The month with the highest snowfall is March (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Colesville, MD

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

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Colesville, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Colesville, MD

Average sunshine days in August - Colesville, MD
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in August
Colesville, MD

Average UV index in August - Colesville, 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, February, November and December (UV index 2).

Average cloud cover in August
Colesville, MD

Average cloud cover in August - Colesville, MD
  • Average cloud cover in August: 33

The months with the most cloud cover are March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
Colesville, MD

Average visibility in August - Colesville, 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).

Colesville, Maryland, USA

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