August weather forecast
Rock Anna, MD

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Weather in August

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

Temperature

The shift into August uncovers an average high-temperature of a still warm 83.7°F (28.7°C), subtly different from the previous month. Rock Anna's nights in August experience an average temperature drop to an agreeable 69.1°F (20.6°C).

Heat index

In August, the average heat index is estimated at a hot 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in August is 73%.

Rainfall

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

Snowfall

May through October are months without snowfall in Rock Anna.

Daylight

In Rock Anna, the average length of the day in August is 13h and 39min.
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 in Rock Anna is 10.4h.

UV index

The months with the highest UV index in Rock Anna are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

How hot is August in Rock Anna?

In August, the average high-temperature and low-temperature are 83.7°F (28.7°C) and 69.1°F (20.6°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 91.4°F (33°C).

What is the average humidity in August in Rock Anna?

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

What is the rainiest month in Rock Anna?

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

How much does it rain in Rock Anna in August?

In Rock Anna, during August, the rain falls for 13.9 days and regularly aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Rock Anna?

May through October are months without snowfall in Rock Anna.

How many hours of daylight does Rock Anna have in August?

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

What time are sunrise and sunset in August in Rock Anna?

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 Anna, Maryland, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How many hours of sunshine does Rock Anna have in August?

In Rock Anna, Maryland, the average sunshine duration in August is 10.4h.

When is the highest UV index in Rock Anna?

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

What is the UV index intensity in August in Rock Anna?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Rock Anna, MD

Average temperature in August - Rock Anna, 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 Anna, MD

Average pressure in August - Rock Anna, 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 Anna, MD

Average wind speed in August - Rock Anna, 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 Anna, MD

Average humidity in August - Rock Anna, 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 Anna, MD

Average rainfall in August - Rock Anna, 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 January (2.01").

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Average rainfall days in August
Rock Anna, MD

Average rainfall days in August - Rock Anna, 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 Anna, MD

Average snowfall in August - Rock Anna, 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 Anna, MD

Average snowfall days in August - Rock Anna, 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 Anna, MD

Average daylight in August / Average sunshine in August - Rock Anna, 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 December (Average sunshine: 5h and 0min).

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Average sunshine days in August
Rock Anna, MD

Average sunshine days in August - Rock Anna, 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 Anna, MD

Average UV index in August - Rock Anna, 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
Rock Anna, MD

Average cloud cover in August - Rock Anna, 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 Anna, MD

Average visibility in August - Rock Anna, 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 Anna, Maryland, USA

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