May weather forecast
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 low of 56.5°F (13.6°C) and an average high of 71.8°F (22.1°C).

Temperature

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

Humidity

May is the most humid month, with an average relative humidity of 77%.

Rainfall

In Dundalk, it is raining for 8.3 days, with typically 0.55" (14mm) of accumulated precipitation. In Dundalk, during the entire year, the rain falls for 84.4 days and collects up to 6.85" (174mm) of precipitation.

Snowfall

April through October are months without snowfall.

Ocean temperature

In Dundalk, Maryland, the average seawater temperature in May is 55.9°F (13.3°C).
Note: Swimming in 55.9°F (13.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in May is 14h and 20min.
On the first day of the month, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of May, in Dundalk, sunrise is at 5:41 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May in Dundalk, Maryland, 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the most humid month in Dundalk?

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

What is the average humidity in May in Dundalk?

In Dundalk, the average relative humidity in May is 77%.

How many days does it rain in May in Dundalk?

In May, 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, in May, the average water temperature is 55.9°F (13.3°C). Swimming in 55.9°F (13.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in May in Dundalk?

In Dundalk, the average day length in May is 14h and 20min.

When are sunrise and sunset in May in Dundalk?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of the month, in Dundalk, Maryland, sunrise is at 5:41 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Dundalk have in May?

The average sunshine duration in May in Dundalk is 8.9h.

What is the month with the highest UV index in Dundalk?

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

What is the UV index intensity in May in Dundalk?

In May, the average daily maximum UV index in Dundalk, Maryland, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

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).

[Resources]

Average pressure in May
Dundalk, MD

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

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

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

[Resources]

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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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).

[Resources]

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

Average daylight in May / Average sunshine in May - Dundalk, MD
  • Average daylight in May: 14h and 20min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • 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).

[Resources]

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).

[Resources]

Average UV index in May
Dundalk, MD

Average UV index in May - Dundalk, MD
  • Average UV index in May: 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).

[Resources]

Average cloud cover in May
Dundalk, MD

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

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).

[Resources]

Average visibility in May
Dundalk, MD

Average visibility in May - Dundalk, MD
  • Average visibility in May: 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location