August weather forecast
River Mills, MD

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Weather in August

August, the last month of the summer in River Mills, is another warm month, with an average temperature ranging between min 67.3°F (19.6°C) and max 83.5°F (28.6°C).

Temperature

River Mills greets August with an average high-temperature of a still moderately hot 83.5°F (28.6°C), marking a slight deviation from the preceding month. In River Mills, the nighttime temperature averages to an enjoyable 67.3°F (19.6°C) during August.

Heat index

During August, the heat index is calculated to be a tropical 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in August is 73%.

Rainfall

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.

Snowfall

In River Mills, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 40min.
On the first day of August, 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.

Sunshine

In August, the average sunshine in River Mills 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 health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 6 in August transforms into this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

How hot is it in August?

In August, the average high-temperature and low-temperature are 83.5°F (28.6°C) and 67.3°F (19.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 73%.

What is the rainiest month in River Mills?

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

How much does it rain in August?

In River Mills, during August, the rain falls for 15.9 days and regularly aggregates up to 3.74" (95mm) of precipitation.

When it does not snow in River Mills?

In River Mills, snow does not fall in May through October.

What is the average length of the day in August?

In August, the average day length is 13h and 40min.

When is the sunrise / sunset in August?

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

In August, the average sunshine duration is 10.4h.

When is 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 reading in August?

In River Mills, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

River Mills, Maryland, USA

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