August weather forecast
Rosemary Hills, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Rosemary Hills, Maryland, with an average temperature fluctuating between 68.2°F (20.1°C) and 85.6°F (29.8°C).

Temperature

With the onset of August, Rosemary Hills's average high-temperature clocks in at a moderately hot 85.6°F (29.8°C), showing a minor fluctuation from the previous month. In August, the nighttime temperature in Rosemary Hills lowers to an average of 68.2°F (20.1°C).

Heat index

Throughout August, the heat index is estimated at a fiery hot 95°F (35°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in August in Rosemary Hills is 70%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.3 days and typically aggregates up to 3.86" (98mm) of precipitation.

Snowfall

In Rosemary Hills, snow does not fall in May through October.

Daylight

In August, the average length of the day in Rosemary Hills 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, in Rosemary Hills, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

In Rosemary Hills, the average sunshine in August is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 6 in August transforms into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

Is it hot in Rosemary Hills during August?

The high-temperature in Rosemary Hills, Maryland, during August is 85.6°F (29.8°C) and the low-temperature is 68.2°F (20.1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is estimated at 95°F (35°C).

What is the average humidity in August in Rosemary Hills?

The average relative humidity in August is 70%.

What is the wettest month in Rosemary Hills?

The month with the most rainfall is August, when the rain falls for 16.3 days and typically aggregates up to 3.86" (98mm) of precipitation.

How many days does it rain in August in Rosemary Hills?

In Rosemary Hills, during August, the rain falls for 16.3 days and regularly aggregates up to 3.86" (98mm) of precipitation.

When it does not snow in Rosemary Hills?

In Rosemary Hills, snow does not fall in May through October.

What is the average length of the day in August in Rosemary Hills?

The average day length in August in Rosemary Hills is 13h and 39min.

What time are sunrise and sunset in August in Rosemary Hills?

On the first day of August in Rosemary Hills, Maryland, 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 long on average sun shines in August in Rosemary Hills?

In Rosemary Hills, the average sunshine duration in August is 10.1h.

What is the month with the highest UV index in Rosemary Hills?

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

How high is the UV index in August in Rosemary Hills?

In August, the average daily maximum UV index in Rosemary Hills, Maryland, 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
Rosemary Hills, MD

Average temperature in August - Rosemary Hills, MD
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in August
Rosemary Hills, MD

Average pressure in August - Rosemary Hills, 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 (29.95"Hg).

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Average wind speed in August
Rosemary Hills, MD

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in August
Rosemary Hills, MD

Average humidity in August - Rosemary Hills, MD
  • Average humidity in August: 70%

The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in August
Rosemary Hills, MD

Average rainfall in August - Rosemary Hills, MD
  • Average rainfall in August: 3.86"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in August
Rosemary Hills, MD

Average rainfall days in August - Rosemary Hills, MD
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in August
Rosemary Hills, MD

Average snowfall in August - Rosemary Hills, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Rosemary Hills, MD

Average snowfall days in August - Rosemary Hills, 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).

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Average daylight in August /
Average sunshine in August
Rosemary Hills, MD

Average daylight in August / Average sunshine in August - Rosemary Hills, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in August
Rosemary Hills, MD

Average sunshine days in August - Rosemary Hills, MD
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in August
Rosemary Hills, MD

Average UV index in August - Rosemary Hills, 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
Rosemary Hills, MD

Average cloud cover in August - Rosemary Hills, MD
  • Average cloud cover in August: 34

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
Rosemary Hills, MD

Average visibility in August - Rosemary Hills, MD
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Rosemary Hills, Maryland, USA

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