March weather forecast
Dundalk, MD

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Weather in March

Welcoming spring, March exhibits the first substantial shift in Dundalk's weather patterns with average high temperatures climbing to 50.4°F (10.2°C). With daylight increasing to 12 hours, people start to spend more time outdoors, basking in the relative warmth. Even though temperatures are on the rise, breezy conditions linger, maintaining a brisk feeling in the air. Occasional March showers decorate the cityscape, paving the way for a bloom in flora. The weather becomes more unpredictable, showcasing a variety of meteorological phenomena.

Temperature

In Dundalk, stepping into March brings a gentle temperature nudge, moving slightly up from February's wintry 42.1°F (5.6°C) to a fresh 50.4°F (10.2°C). Throughout the month of March, Dundalk expects an average low of 36.7°F (2.6°C).

Humidity

In March, the average relative humidity in Dundalk, Maryland, is 73%.

Rainfall

In Dundalk, in March, it is raining for 6.9 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Dundalk, there are 84.4 rainfall days, and 6.85" (174mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 1.4 snowfall days, in March, Dundalk aggregates 0.12" (3mm) of snow. Throughout the year, there are 6.9 snowfall days, and 0.71" (18mm) of snow is accumulated.

Ocean temperature

In Dundalk, in March, the average water temperature is 45.1°F (7.3°C).
Note: Without suitable protection, venturing into 45.1°F (7.3°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.

Daylight

In Dundalk, Maryland, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:37 am and sunset at 5:58 pm EST. On the last day of March, in Dundalk, sunrise is at 6:50 am and sunset at 7:29 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In Dundalk, the average sunshine in March is 6.8h.

UV index

The average daily maximum UV index in March in Dundalk is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In March, the UV index of 3 transforms into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are March temperatures in Dundalk?

An average high-temperature, in March, in Dundalk, is 50.4°F (10.2°C) and the average low-temperature is 36.7°F (2.6°C).

What is the average humidity in March in Dundalk?

In March, the average relative humidity is 73%.

How many days does it rain in March in Dundalk?

In March, in Dundalk, the rain falls for 6.9 days. Throughout March, 0.55" (14mm) of precipitation is accumulated.

What is the last month it snows in Dundalk?

March is the last month it regularly snows. During 1.4 snowfall days, in March, Dundalk aggregates 0.12" (3mm) of snow.

How cold is the water in March in Dundalk?

In Dundalk, Maryland, in March, the average water temperature is 45.1°F (7.3°C). Swimming in 45.1°F (7.3°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.

How many hours of daylight does Dundalk have in March?

The average day length in March in Dundalk, Maryland, is 11h and 59min.

When are sunrise and sunset in March in Dundalk?

In March, on the first day of the month, sunrise is at 6:37 am and sunset at 5:58 pm EST. On the last day of the month, sunrise is at 6:50 am and sunset at 7:29 pm EDT.

When does Daylight Saving Time (DST) start in March in Dundalk?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Dundalk have in March?

In Dundalk, Maryland, the average sunshine duration in March is 6.8h.

How high is the UV index in March in Dundalk?

The average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMarchAMJJASOND
Feb
March
Apr
Average high temperature
42.1°F 5.6°C
50.4°F 10.2°C
62.2°F 16.8°C
Average low temperature
30°F -1.1°C
36.7°F 2.6°C
46.6°F 8.1°C
Average pressure
30.07" 764mmHg
30.08" 764mmHg
29.99" 762mmHg
Average wind speed
9.3mph 15km/h
9.4mph 15.1km/h
9.1mph 14.6km/h
Average max. wind speed
10mph 16.1km/h
10.1mph 16.3km/h
9.9mph 15.9km/h
Average wind speed gusts
15.3mph 24.6km/h
14.7mph 23.7km/h
14.5mph 23.3km/h
Average humidity
75%
73%
72%
Average rainfall
0.43" 11mm
0.55" 14mm
0.51" 13mm
Average rainfall days
5.1
6.9
8.3
Average snowfall
0.08" 2mm
0.12" 3mm
0" 0mm
Average snowfall days
2.4
1.4
0.2
Average sea temperature
44.5°F 6.9°C
45.2°F 7.3°C
50.5°F 10.3°C
Average daylight
10h 4min
12h 0min
13h 2min
Average sunshine
5h 0min
6h 5min
8h 5min
Average sunshine days
20.6
22.3
20.1
Average UV index
2
3
4
Average cloud cover
45%
45%
41%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in March
Dundalk, MD

Average temperature in March - Dundalk, MD
  • Average high temperature in March: 50.4°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 March: 36.7°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 March
Dundalk, MD

Average pressure in March - Dundalk, MD
  • Average pressure in March: 30.08"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 March
Dundalk, MD

Average wind speed in March - Dundalk, MD
  • Average wind speed in March: 9.4mph

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 March
Dundalk, MD

Average humidity in March - Dundalk, MD
  • Average humidity in March: 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 March
Dundalk, MD

Average rainfall in March - Dundalk, MD
  • Average rainfall in March: 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 March
Dundalk, MD

Average rainfall days in March - Dundalk, MD
  • Average rainfall days in March: 6.9 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 March
Dundalk, MD

Average snowfall in March - Dundalk, MD
  • Average snowfall in March: 0.12"

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 March
Dundalk, MD

Average snowfall days in March - Dundalk, MD
  • Average snowfall days in March: 1.4 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 March
Dundalk, MD

Average sea temperature in March - Dundalk, MD
  • Average sea temperature in March: 45.2°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 March /
Average sunshine in March
Dundalk, MD

Average daylight in March / Average sunshine in March - Dundalk, MD
  • Average daylight in March: 12h and 0min

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 March: 6h and 5min

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 March
Dundalk, MD

Average sunshine days in March - Dundalk, MD
  • Average sunshine days in March: 22.3 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 March
Dundalk, MD

Average UV index in March - Dundalk, MD
  • Average UV index in March: 3

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 March
Dundalk, MD

Average cloud cover in March - Dundalk, MD
  • Average cloud cover in March: 45

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 March
Dundalk, MD

Average visibility in March - Dundalk, MD
  • Average visibility in March: 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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