Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
In Charlestown, the average high-temperature in March slightly increases from a wintry 41.7°F (5.4°C) in February to a cool 50°F (10°C). In March, Charlestown records an average nighttime temperature of 35.1°F (1.7°C).Humidity
In March, the average relative humidity in Charlestown is 75%.Rainfall
In March, in Charlestown, the rain falls for 12.3 days. Throughout March, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 150.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.Snowfall
January through March, May, November and December are months with snowfall in Charlestown, Maryland. March is the last month it regularly snows in Charlestown. During 2.8 snowfall days, in March, Charlestown aggregates 1.77" (45mm) of snow. In Charlestown, during the entire year, snow falls for 13.1 days and aggregates up to 6.89" (175mm) of snow.Ocean temperature
In March, the average ocean temperature is 42.3°F (5.7°C).Note: You can swim in 42.3°F (5.7°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
Daylight
In March, the average length of the day in Charlestown is 11h and 59min.On the first day of the month, sunrise is at 6:35 am and sunset at 5:56 pm EST. On the last day of March, in Charlestown, Maryland, sunrise is at 6:48 am and sunset at 7:27 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 March, the average sunshine is 6.5h.UV index
In March, the average daily maximum UV index in Charlestown, Maryland, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in March translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the usual temperature for Charlestown in March?
What is the average humidity in March in Charlestown?
How much does it rain in Charlestown in March?
What is the last month it snows in Charlestown?
What is the ocean temperature in March in Charlestown?
How many hours of daylight does Charlestown have in March?
What time are sunrise and sunset in March in Charlestown?
When does Daylight Saving Time (DST) start in March in Charlestown?
How many hours of sunshine does Charlestown have in March?
How high is the UV index in March in Charlestown?
Average temperature in March
Charlestown, MD
- Average high temperature in March: 50°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in March: 35.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in March
Charlestown, MD
- Average pressure in March: 30.07"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).
Average wind speed in March
Charlestown, MD
- Average wind speed in March: 8.9mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in March
Charlestown, MD
- Average humidity in March: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in March
Charlestown, MD
- Average rainfall in March: 2.17"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in March
Charlestown, MD
- Average rainfall days in March: 12.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in March
Charlestown, MD
- Average snowfall in March: 1.77"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in March
Charlestown, MD
- Average snowfall days in March: 2.8 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average sea temperature in March
Charlestown, MD
- Average sea temperature in March: 42.2°F
The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).
Average daylight in March /
Average sunshine in March
Charlestown, 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 24min).
- Average sunshine in March: 6h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in March
Charlestown, MD
- Average sunshine days in March: 15.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in March
Charlestown, 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, November and December (UV index 2).
Average cloud cover in March
Charlestown, MD
- Average cloud cover in March: 46
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in March
Charlestown, MD
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Charlestown, Maryland, USA
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