August weather forecast
Winchester-on-the-Severn, MD

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Weather in August

August, the last month of the summer in Winchester-on-the-Severn, is another warm month, with an average temperature varying between 70.5°F (21.4°C) and 83.3°F (28.5°C).

Temperature

The weather during August records an average high-temperature of a still moderately hot 83.3°F (28.5°C), closely mirroring the preceding month. In Winchester-on-the-Severn, August is marked by an average low-temperature of 70.5°F (21.4°C).

Heat index

In August, the average heat index is computed to be a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In Winchester-on-the-Severn, Maryland, the average relative humidity in August is 74%.

Rainfall

The month with the most rainfall is August, when the rain falls for 14.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, in Winchester-on-the-Severn, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Winchester-on-the-Severn. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Winchester-on-the-Severn?

Winchester-on-the-Severn in August has an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 70.5°F (21.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in August?

In Winchester-on-the-Severn, the average relative humidity in August is 74%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 14.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

How much does it rain in August?

In Winchester-on-the-Severn, in August, during 14.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Winchester-on-the-Severn?

April through October are months without snowfall.

How many hours of daylight does Winchester-on-the-Severn have in August?

In Winchester-on-the-Severn, the average day length in August is 13h and 39min.

What time are sunrise and sunset in August in Winchester-on-the-Severn?

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.

How long on average sun shines in August?

The average sunshine duration in August is 10.5h.

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 reading in August in Winchester-on-the-Severn?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Winchester-on-the-Severn, MD

Average temperature in August - Winchester-on-the-Severn, MD
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in August
Winchester-on-the-Severn, MD

Average pressure in August - Winchester-on-the-Severn, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Winchester-on-the-Severn, MD

Average wind speed in August - Winchester-on-the-Severn, MD
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in August
Winchester-on-the-Severn, MD

Average humidity in August - Winchester-on-the-Severn, MD
  • Average humidity in August: 74%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in August
Winchester-on-the-Severn, MD

Average rainfall in August - Winchester-on-the-Severn, MD
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
Winchester-on-the-Severn, MD

Average rainfall days in August - Winchester-on-the-Severn, MD
  • Average rainfall days in August: 14.3 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in August
Winchester-on-the-Severn, MD

Average snowfall in August - Winchester-on-the-Severn, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Winchester-on-the-Severn, MD

Average snowfall days in August - Winchester-on-the-Severn, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.5 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
Winchester-on-the-Severn, MD

Average daylight in August / Average sunshine in August - Winchester-on-the-Severn, 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 3min

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
Winchester-on-the-Severn, MD

Average sunshine days in August - Winchester-on-the-Severn, MD
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in August
Winchester-on-the-Severn, MD

Average UV index in August - Winchester-on-the-Severn, 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 and December (UV index 2).

Average cloud cover in August
Winchester-on-the-Severn, MD

Average cloud cover in August - Winchester-on-the-Severn, MD
  • Average cloud cover in August: 29

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).

Average visibility in August
Winchester-on-the-Severn, MD

Average visibility in August - Winchester-on-the-Severn, 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).

Winchester-on-the-Severn, Maryland, USA

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