March weather forecastHerald Harbor, MD
March
Weather in March
The first month of the spring, March, is a cool month in Herald Harbor, Maryland, with an average temperature varying between 50.7°F (10.4°C) and 37.8°F (3.2°C).Temperature
As March sets, the average high-temperature shows a slight increase, moving up from a chilly 43.2°F (6.2°C) in February to a cool 50.7°F (10.4°C). Throughout March, the average low-temperature in Herald Harbor dips to a cold 37.8°F (3.2°C).Humidity
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 72%.Rainfall
In March, the rain falls for 14.3 days. Throughout March, 2.48" (63mm) of precipitation is accumulated. In Herald Harbor, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.Snowfall
Months with snowfall in Herald Harbor are January through April, November and December. In Herald Harbor, in March, during 2.4 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.Ocean temperature
In Herald Harbor, the average seawater temperature in March is 45.1°F (7.3°C).Note: Engaging in a swim in 45.1°F (7.3°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
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 5:59 pm EST. On the last day of March, sunrise is at 6:51 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
The average sunshine in March is 6.9h.UV index
In March, the average daily maximum UV index in Herald Harbor is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In March, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Herald Harbor, MD
- Average high temperature in March: 50.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in March: 37.8°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in March
Herald Harbor, MD
- Average pressure in March: 30.08"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 March
Herald Harbor, 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).
Average humidity in March
Herald Harbor, MD
- Average humidity in March: 72%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in March
Herald Harbor, MD
- Average rainfall in March: 2.48"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in March
Herald Harbor, MD
- Average rainfall days in March: 14.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in March
Herald Harbor, MD
- Average snowfall in March: 1.57"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Herald Harbor, MD
- Average snowfall days in March: 2.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in March
Herald Harbor, 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).
Average daylight in March /
Average sunshine in March
Herald Harbor, 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 54min
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 6min).
Average sunshine days in March
Herald Harbor, MD
- Average sunshine days in March: 13.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in March
Herald Harbor, 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, November and December (UV index 2).
Average cloud cover in March
Herald Harbor, 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 28).
Average visibility in March
Herald Harbor, 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).





