August weather forecast
Rock Creek Park, MD

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Weather in August

The last month of the summer, August, is another warm month in Rock Creek Park, Maryland, with an average temperature fluctuating between 83.7°F (28.7°C) and 69.1°F (20.6°C).

Temperature

August's onset sees an average high-temperature of a still warm 83.7°F (28.7°C), exhibiting a slight fluctuation from the previous month. An average temperature of 69.1°F (20.6°C) marks the nights in Rock Creek Park, Maryland, in August.

Heat index

The heat index value for August is computed to be a tropical 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall in Rock Creek Park. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

Snowfall

May through October are months without snowfall in Rock Creek Park.

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, in Rock Creek Park, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

In Rock Creek Park, Maryland, 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

How hot is it in Rock Creek Park in August?

August temperatures in Rock Creek Park vary between a high-temperature of 83.7°F (28.7°C) and a low-temperature of 69.1°F (20.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the average humidity in August in Rock Creek Park?

In Rock Creek Park, Maryland, the average relative humidity in August is 73%.

What is the rainiest month in Rock Creek Park?

The month with the most rainfall in Rock Creek Park 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 Rock Creek Park?

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

When it does not snow in Rock Creek Park?

May through October are months without snowfall.

How many hours of daylight does Rock Creek Park have in August?

In August, the average day length in Rock Creek Park is 13h and 39min.

When is the sunrise / sunset in August in Rock Creek Park?

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 Rock Creek Park, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How many hours of sunshine does Rock Creek Park have in August?

The average sunshine duration in August in Rock Creek Park, Maryland, is 10.4h.

What are the months with the highest UV index in Rock Creek Park?

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

What is the UV index reading in August in Rock Creek Park?

In Rock Creek Park, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Rock Creek Park, MD

Average temperature in August - Rock Creek Park, 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
Rock Creek Park, MD

Average pressure in August - Rock Creek Park, 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
Rock Creek Park, MD

Average wind speed in August - Rock Creek Park, 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
Rock Creek Park, MD

Average humidity in August - Rock Creek Park, 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
Rock Creek Park, MD

Average rainfall in August - Rock Creek Park, 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
Rock Creek Park, MD

Average rainfall days in August - Rock Creek Park, 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
Rock Creek Park, MD

Average snowfall in August - Rock Creek Park, 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
Rock Creek Park, MD

Average snowfall days in August - Rock Creek Park, 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
Rock Creek Park, MD

Average daylight in August / Average sunshine in August - Rock 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 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
Rock Creek Park, MD

Average sunshine days in August - Rock Creek Park, 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
Rock Creek Park, MD

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

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Average cloud cover in August
Rock Creek Park, MD

Average cloud cover in August - Rock Creek Park, 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
Rock Creek Park, MD

Average visibility in August - Rock 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).

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Rock Creek Park, Maryland, USA

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