August weather forecast
River Mills, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in River Mills, Maryland, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 83.5°F (28.6°C).

Temperature

The average high-temperature during August registers at a still warm 83.5°F (28.6°C), maintaining a close resemblance to the previous month. River Mills, in August, experiences an average temperature of 67.3°F (19.6°C) at night.

Heat index

In August, the average heat index is computed to be a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Keep in mind the heat index values are meant for areas in shade and with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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.

Humidity

In River Mills, Maryland, the average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

May through October are months without snowfall in River Mills.

Daylight

In August, the average length of the day in River Mills, Maryland, is 13h and 40min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:19 pm. On the last day of August, in River Mills, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

Sunshine

In River Mills, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index in River Mills are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

How hot is it in River Mills in August?

The high-temperature in River Mills, Maryland, during August is 83.5°F (28.6°C) and the low-temperature is 67.3°F (19.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in August in River Mills?

In August, the average relative humidity in River Mills, Maryland, is 73%.

What is the rainiest month in River Mills?

The month with the most rainfall is August, when the rain falls for 15.9 days and typically aggregates up to 3.74" (95mm) of precipitation.

How many days does it rain in August in River Mills?

In August, the rain falls for 15.9 days. Throughout August, 3.74" (95mm) of precipitation is accumulated.

When it does not snow in River Mills?

May through October are months without snowfall in River Mills, Maryland.

How many hours of daylight does River Mills have in August?

The average day length in August in River Mills, Maryland, is 13h and 40min.

When is the sunrise / sunset in August in River Mills?

On the first day of August in River Mills, Maryland, sunrise is at 6:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

How many hours of sunshine does River Mills have in August?

In River Mills, Maryland, the average sunshine duration in August is 10.4h.

What are the months with the highest UV index in River Mills?

The months with the highest UV index in River Mills, Maryland, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August in River Mills?

In August, the average daily maximum UV index 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
River Mills, MD

Average temperature in August - River Mills, MD
  • Average high temperature in August: 83.5°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 (38.1°F).

  • Average low temperature in August: 67.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in August
River Mills, MD

Average pressure in August - River Mills, 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
River Mills, MD

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

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
River Mills, MD

Average humidity in August - River Mills, MD
  • Average humidity in August: 73%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in August
River Mills, MD

Average rainfall in August - River Mills, MD
  • Average rainfall in August: 3.74"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in August
River Mills, MD

Average rainfall days in August - River Mills, MD
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in August
River Mills, MD

Average snowfall in August - River Mills, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
River Mills, MD

Average snowfall days in August - River Mills, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.9 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
River Mills, MD

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

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Average sunshine days in August
River Mills, MD

Average sunshine days in August - River Mills, MD
  • Average sunshine days in August: 13 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in August
River Mills, MD

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

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Average cloud cover in August
River Mills, MD

Average cloud cover in August - River Mills, MD
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in August
River Mills, MD

Average visibility in August - River Mills, 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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River Mills, Maryland, USA

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