August weather forecast
Patapsco, MD

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Weather in August

August, the last month of the summer in Patapsco, is another warm month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 63.5°F (17.5°C).

Temperature

August brings an average high-temperature of a still moderately hot 81.7°F (27.6°C), showing a slight difference from July's 83.8°F (28.8°C). In Patapsco, the August nights cool down to an average low of 63.5°F (17.5°C).

Heat index

During August, the heat index is calculated to be a tropical 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in August is 78%.

Rainfall

The month with the most rainfall in Patapsco is August, when the rain falls for 16.7 days and typically aggregates up to 3.9" (99mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:39 pm EDT.

Sunshine

In August, the average sunshine is 9.9h.

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 vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Patapsco?

During August, Patapsco experiences an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 63.5°F (17.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 78%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.9" (99mm) of precipitation.

How many days does it rain in August?

In Patapsco, Maryland, in August, during 16.7 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

When it does not snow?

In Patapsco, snow does not fall in May through September.

How many hours of daylight does Patapsco have in August?

The average day length in August is 13h and 41min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:07 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 Patapsco have in August?

In August, the average sunshine duration is 9.9h.

When is the highest UV index?

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

How high is the UV index in August?

In Patapsco, 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 unsafe 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
Patapsco, MD

Average temperature in August - Patapsco, MD
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in August
Patapsco, MD

Average pressure in August - Patapsco, MD
  • Average pressure in August: 30"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
Patapsco, MD

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

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Patapsco, MD

Average humidity in August - Patapsco, MD
  • Average humidity in August: 78%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).

Average rainfall in August
Patapsco, MD

Average rainfall in August - Patapsco, MD
  • Average rainfall in August: 3.9"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").

Average rainfall days in August
Patapsco, MD

Average rainfall days in August - Patapsco, MD
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in August
Patapsco, MD

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

The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Patapsco, MD

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Patapsco, MD

Average daylight in August / Average sunshine in August - Patapsco, 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 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in August
Patapsco, MD

Average sunshine days in August - Patapsco, MD
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in August
Patapsco, MD

Average UV index in August - Patapsco, 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
Patapsco, MD

Average cloud cover in August - Patapsco, MD
  • Average cloud cover in August: 35

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Patapsco, MD

Average visibility in August - Patapsco, MD
  • Average visibility in August: 6mi

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

Patapsco, Maryland, USA

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