August weather forecast
Rosaryville, MD

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Weather in August

August, the last month of the summer in Rosaryville, is also a moderately hot month, with an average temperature varying between 84.6°F (29.2°C) and 68.5°F (20.3°C).

Temperature

August's arrival shows an average high-temperature of a moderately hot 84.6°F (29.2°C), hardly different from the previous month. Throughout the month of August, Rosaryville witnesses an average temperature of 68.5°F (20.3°C).

Heat index

For most parts of August, the heat index is evaluated at a tropical 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In August, the average relative humidity is 74%.

Rainfall

August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.94" (100mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:38 pm EDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In August, in Rosaryville, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 68.5°F (20.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 17.3 days and typically aggregates up to 3.94" (100mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 17.3 days. Throughout August, 3.94" (100mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Rosaryville have in August?

In August, the average day length is 13h and 38min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:18 pm. On the last day of the month, in Rosaryville, sunrise is at 6:36 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Rosaryville have in August?

In August, the average sunshine duration is 10.3h.

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 intensity in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents 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
Rosaryville, MD

Average temperature in August - Rosaryville, MD
  • Average high temperature in August: 84.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in August
Rosaryville, MD

Average pressure in August - Rosaryville, 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
Rosaryville, MD

Average wind speed in August - Rosaryville, MD
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in August
Rosaryville, MD

Average humidity in August - Rosaryville, MD
  • Average humidity in August: 74%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).

Average rainfall in August
Rosaryville, MD

Average rainfall in August - Rosaryville, MD
  • Average rainfall in August: 3.94"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in August
Rosaryville, MD

Average rainfall days in August - Rosaryville, MD
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in August
Rosaryville, MD

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

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Rosaryville, MD

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

The month with the highest number of snowfall days is January (4.6 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
Rosaryville, MD

Average daylight in August / Average sunshine in August - Rosaryville, MD
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Rosaryville, MD

Average sunshine days in August - Rosaryville, MD
  • Average sunshine days in August: 11.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in August
Rosaryville, MD

Average UV index in August - Rosaryville, 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).

Average cloud cover in August
Rosaryville, MD

Average cloud cover in August - Rosaryville, MD
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Rosaryville, MD

Average visibility in August - Rosaryville, 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).

Rosaryville, Maryland, USA

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