May weather forecast and climate
Dundalk, MD

Weather in May

The last month of the spring, May, is a pleasant month in Dundalk, Maryland, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 56.5°F (13.6°C).

Temperature

In Dundalk, Maryland, the average high-temperature in May rises, from an enjoyable 62.2°F (16.8°C) in April, to an agreeable 71.8°F (22.1°C). In Dundalk, the average low-temperature is 56.5°F (13.6°C).

Humidity

With an average relative humidity of 77%, May is the most humid month in Dundalk.

Rainfall

In Dundalk, in May, during 8.3 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Dundalk, there are 84.4 rainfall days, and 6.85" (174mm) of precipitation is accumulated.

Snowfall

In Dundalk snow does not fall in April through October.

Ocean temperature

In May, the average ocean temperature is 55.9°F (13.3°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In May, the average length of the day in Dundalk is 14.4h.

Sunshine

The average sunshine in May is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the most humid month in Dundalk?

With an average relative humidity of 77%, May is the most humid month in Dundalk.

What is the average humidity in May in Dundalk?

The average relative humidity in May is 77%.

How many days does it rain in May in Dundalk?

In May, in Dundalk, Maryland, the rain falls for 8.3 days. Throughout May, 0.55" (14mm) of precipitation is accumulated.

When it does not snow in Dundalk?

In Dundalk, Maryland, snow does not fall in April through October.

What is the water temperature in May in Dundalk?

In Dundalk, the average seawater temperature in May is 55.9°F (13.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Dundalk have in May?

The average length of the day in May in Dundalk, Maryland, is 14.4h.

How many hours of sunshine does Dundalk have in May?

In Dundalk, the average sunshine in May is 8.9h.

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 in Dundalk.

What is the UV index intensity in May in Dundalk?

In Dundalk, Maryland, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Dundalk, MD

Average temperature in May - Dundalk, MD
  • Average high temperature in May: 71.8°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 May: 56.5°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 May
Dundalk, MD

Average pressure in May - Dundalk, MD
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Dundalk, MD

Average wind speed in May - Dundalk, MD
  • Average wind speed in May: 7.4mph

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 May
Dundalk, MD

Average humidity in May - Dundalk, MD
  • Average humidity in May: 77%

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 May
Dundalk, MD

Average rainfall in May - Dundalk, MD
  • Average rainfall in May: 0.55"

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 May
Dundalk, MD

Average rainfall days in May - Dundalk, MD
  • Average rainfall days in May: 8.3 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 May
Dundalk, MD

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

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

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Average snowfall days in May
Dundalk, MD

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

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

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Average sea temperature in May
Dundalk, MD

Average sea temperature in May - Dundalk, MD
  • Average sea temperature in May: 55.9°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 May /
Average sunshine in May
Dundalk, MD

Average daylight in May / Average sunshine in May - Dundalk, MD
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in May
Dundalk, MD

Average sunshine days in May - Dundalk, MD
  • Average sunshine days in May: 19 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 May
Dundalk, MD

Average UV index in May - Dundalk, MD
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Dundalk, MD

Average cloud cover in May - Dundalk, MD
  • Average cloud cover in May: 43

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 May
Dundalk, MD

Average visibility in May - Dundalk, MD
  • Average visibility in May: 6mi

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

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