August weather forecast
Harkness Creek Park, MD

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Weather in August

August, the last month of the summer in Harkness Creek Park, is also a moderately hot month, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 83.3°F (28.5°C).

Temperature

As Harkness Creek Park welcomes August, the average high-temperature is noted at a still moderately hot 83.3°F (28.5°C), closely aligning with the preceding month. An average low-temperature of 70.5°F (21.4°C) marks the nights throughout August.

Heat index

The heat index value during August is calculated to be a tropical 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 74%.

Rainfall

August is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of August, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

In August, the average sunshine is 10.5h.

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 threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 in August translates into these instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

How hot does it get in August?

The average high-temperature and low-temperature during August are 83.3°F (28.5°C) and 70.5°F (21.4°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August in Harkness Creek Park, Maryland, is 74%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 14.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

How much does it rain in August?

In Harkness Creek Park, during August, the rain falls for 14.3 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 38min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How long on average sun shines in August?

In Harkness Creek Park, the average sunshine duration in August is 10.5h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Harkness Creek Park, MD

Average temperature in August - Harkness Creek Park, MD
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in August
Harkness Creek Park, MD

Average pressure in August - Harkness Creek Park, 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).

Average wind speed in August
Harkness Creek Park, MD

Average wind speed in August - Harkness Creek Park, MD
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in August
Harkness Creek Park, MD

Average humidity in August - Harkness Creek Park, MD
  • Average humidity in August: 74%

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

Average rainfall in August
Harkness Creek Park, MD

Average rainfall in August - Harkness Creek Park, MD
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
Harkness Creek Park, MD

Average rainfall days in August - Harkness Creek Park, MD
  • Average rainfall days in August: 14.3 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in August
Harkness Creek Park, MD

Average snowfall in August - Harkness Creek Park, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Harkness Creek Park, MD

Average snowfall days in August - Harkness Creek Park, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.5 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
Harkness Creek Park, MD

Average daylight in August / Average sunshine in August - Harkness Creek Park, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in August
Harkness Creek Park, MD

Average sunshine days in August - Harkness Creek Park, MD
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in August
Harkness Creek Park, MD

Average UV index in August - Harkness Creek Park, 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 and December (UV index 2).

Average cloud cover in August
Harkness Creek Park, MD

Average cloud cover in August - Harkness Creek Park, MD
  • Average cloud cover in August: 29

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).

Average visibility in August
Harkness Creek Park, MD

Average visibility in August - Harkness Creek Park, 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).

Harkness Creek Park, Maryland, USA

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