August weather forecast
Sunderland, MD

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Weather in August

The last month of the summer, August, is another warm month in Sunderland, Maryland, with an average temperature varying between 82.9°F (28.3°C) and 70.5°F (21.4°C).

Temperature

Sunderland's weather in August indicates an average high-temperature of a still warm 82.9°F (28.3°C), nearly consistent with the 84.7°F (29.3°C) of July. Sunderland witnesses an average low-temperature of 70.5°F (21.4°C) throughout the month of August.

Heat index

The heat index in August is computed to be a tropical 89.6°F (32°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The average relative humidity in August is 75%.

Rainfall

August is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.4" (61mm) of precipitation.

Snowfall

In Sunderland, snow does not fall in April through October.

Daylight

In Sunderland, the average length of the day in August is 13h and 38min.
On the first day of August, sunrise is at 6:08 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:37 pm EDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 6 in August leads to these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

In Sunderland, 82.9°F (28.3°C) is the average high-temperature and 70.5°F (21.4°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'feels like', '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 Sunderland, the average relative humidity in August is 75%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 14.8 days and typically aggregates up to 2.4" (61mm) of precipitation.

How much does it rain in Sunderland in August?

In Sunderland, during August, the rain falls for 14.8 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Sunderland have in August?

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

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:08 am and sunset at 8:16 pm. On the last day of the month, in Sunderland, sunrise is at 6:35 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 is the month with the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Sunderland, MD

Average temperature in August - Sunderland, MD
  • Average high temperature in August: 82.9°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 (40.6°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in August
Sunderland, MD

Average pressure in August - Sunderland, 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
Sunderland, MD

Average wind speed in August - Sunderland, MD
  • Average wind speed in August: 6.7mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in August
Sunderland, MD

Average humidity in August - Sunderland, MD
  • Average humidity in August: 75%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in August
Sunderland, MD

Average rainfall in August - Sunderland, MD
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in August
Sunderland, MD

Average rainfall days in August - Sunderland, MD
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in August
Sunderland, MD

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

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Sunderland, MD

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

The month with the highest number of snowfall days is January (2.9 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
Sunderland, MD

Average daylight in August / Average sunshine in August - Sunderland, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Sunderland, MD

Average sunshine days in August - Sunderland, MD
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

Average UV index in August
Sunderland, MD

Average UV index in August - Sunderland, 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 and December (UV index 2).

Average cloud cover in August
Sunderland, MD

Average cloud cover in August - Sunderland, MD
  • Average cloud cover in August: 29

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in August
Sunderland, MD

Average visibility in August - Sunderland, 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).

Sunderland, Maryland, USA

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