August weather forecast
Dundalk, MD

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Weather in August

As the final month of summer, August continues to bathe Dundalk, Maryland in warm, sunny weather. Rainfall hits its annual high with 1.06in, interspersing hot days with refreshing showers. While outdoor activities remain popular, residents begin preparing for the eventual transition to cooler weather. Despite the high temperatures, the city retains its charm, moderated by a breezy waterfront. Periodic rain showers provide a pleasant contrast to the overarching summer heat.

Temperature

The start of August sees the average high-temperature at a still warm 82.9°F (28.3°C), showing little difference from July's 84.9°F (29.4°C). Throughout August in Dundalk, a steady low-temperature average of 68.5°F (20.3°C) is noted.

Heat index

August's average heat index is calculated to be a tropical 89.6°F (32°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in August in Dundalk is 73%.

Rainfall

August is the month with the most rainfall in Dundalk, Maryland. Rain falls for 9.7 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

April through October are months without snowfall.

Ocean temperature

With an average ocean temperature of 77.5°F (25.3°C), August is the month with the warmest seawater in Dundalk.
Note: Water temperatures ranging between 77°F (25°C) and 84.2°F (29°C) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.

Daylight

In Dundalk, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:17 pm. On the last day of August, in Dundalk, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

In Dundalk, the average sunshine in August is 10.5h.

UV index

The months with the highest UV index in Dundalk 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 unsafe exposure to UV radiation for average individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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Frequently asked questions

How hot is it in Dundalk in August?

The high-temperature in Dundalk, Maryland, during August is 82.9°F (28.3°C) and the low-temperature is 68.5°F (20.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in August in Dundalk?

The average relative humidity in August is 73%.

What is the wettest month in Dundalk?

The month with the most rainfall in Dundalk is August, when the rain falls for 9.7 days and typically aggregates up to 1.06" (27mm) of precipitation.

How many days does it rain in August in Dundalk?

In August, in Dundalk, Maryland, the rain falls for 9.7 days. Throughout August, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Dundalk?

April through October are months without snowfall in Dundalk.

What month is the ocean warmest in Dundalk?

The month with the warmest seawater in Dundalk is August, with an average ocean temperature of 77.5°F (25.3°C).

What is the ocean temperature in August in Dundalk?

In August, the average ocean temperature is 77.5°F (25.3°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Dundalk have in August?

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

When are sunrise and sunset in August in Dundalk?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:17 pm. On the last day of the month, in Dundalk, Maryland, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How many hours of sunshine does Dundalk have in August?

In August, the average sunshine duration in Dundalk is 10.5h.

What are the months with the highest UV index in Dundalk?

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

What is the UV index intensity in August in Dundalk?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes 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
Dundalk, MD

Average temperature in August - Dundalk, MD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 68.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in August
Dundalk, MD

Average pressure in August - Dundalk, 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).

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Average wind speed in August
Dundalk, MD

Average wind speed in August - Dundalk, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Dundalk, MD

Average humidity in August - Dundalk, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in August
Dundalk, MD

Average rainfall in August - Dundalk, MD
  • Average rainfall in August: 1.06"

The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is September (0.24").

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Average rainfall days in August
Dundalk, MD

Average rainfall days in August - Dundalk, MD
  • Average rainfall days in August: 9.7 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is November (4.1 days).

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Average snowfall in August
Dundalk, MD

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

The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Dundalk, MD

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

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Dundalk, MD

Average sea temperature in August - Dundalk, MD
  • Average sea temperature in August: 77.5°F

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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

Average daylight in August / Average sunshine in August - Dundalk, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in August
Dundalk, MD

Average sunshine days in August - Dundalk, MD
  • Average sunshine days in August: 18.2 days

The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (16.9 days).

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Average UV index in August
Dundalk, MD

Average UV index in August - Dundalk, 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).

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Average cloud cover in August
Dundalk, MD

Average cloud cover in August - Dundalk, MD
  • Average cloud cover in August: 30

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 29).

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Average visibility in August
Dundalk, MD

Average visibility in August - Dundalk, 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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Dundalk, Maryland, USA

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