March weather forecast
Annapolis, MD

The Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
The Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome

Weather in March

March, the first month of the spring in Annapolis, is a cool month, with an average temperature fluctuating between 38.5°F (3.6°C) and 50.5°F (10.3°C).

Temperature

In March, the average high-temperature marginally rises from a chilly 43°F (6.1°C) in February to a cool 50.5°F (10.3°C). In March, the average low-temperature is 38.5°F (3.6°C).

Humidity

January, March, April and November, with an average relative humidity of 72%, are the least humid months.

Rainfall

In March, in Annapolis, the rain falls for 9.5 days. Throughout March, 0.67" (17mm) of precipitation is accumulated. In Annapolis, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 1.5 snowfall days, in March, Annapolis aggregates 0.2" (5mm) of snow. In Annapolis, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) of snow.

Ocean temperature

In March, the average ocean temperature is 46°F (7.8°C).
Note: Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in March in Annapolis, Maryland, is 11h and 59min.
On the first day of the month, sunrise is at 6:38 am and sunset at 5:58 pm EST. On the last day of March, sunrise is at 6:51 am and sunset at 7:28 pm EDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In Annapolis, the average sunshine in March is 6.9h.

UV index

In Annapolis, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in March interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in March in Annapolis?

In March, in Annapolis, Maryland, the average high-temperature is 50.5°F (10.3°C), and the average low-temperature is 38.5°F (3.6°C).

What are the least humid months in Annapolis?

January, March, April and November, with an average relative humidity of 72%, are the least humid months in Annapolis, Maryland.

What is the average humidity in March in Annapolis?

In March, the average relative humidity is 72%.

How much does it rain in Annapolis in March?

In Annapolis, in March, during 9.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

What is the last month it snows in Annapolis?

March is the last month it regularly snows. During 1.5 snowfall days, in March, Annapolis aggregates 0.2" (5mm) of snow.

What is the ocean temperature in March in Annapolis?

In Annapolis, in March, the average water temperature is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in March in Annapolis?

In Annapolis, Maryland, the average day length in March is 11h and 59min.

When is the sunrise / sunset in March in Annapolis?

In March, on the first day of the month, sunrise is at 6:38 am and sunset at 5:58 pm EST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:28 pm EDT.

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

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Annapolis, and the time zone changes from EST to EDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How many hours of sunshine does Annapolis have in March?

In Annapolis, Maryland, the average sunshine duration in March is 6.9h.

What is the UV index reading in March in Annapolis?

In Annapolis, Maryland, 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.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Annapolis, MD

Average temperature in March - Annapolis, MD
  • Average high temperature in March: 50.5°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 (40.3°F).

  • Average low temperature in March: 38.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in March
Annapolis, MD

Average pressure in March - Annapolis, 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
Annapolis, MD

Average wind speed in March - Annapolis, MD
  • Average wind speed in March: 9.9mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in March
Annapolis, MD

Average humidity in March - Annapolis, 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%).

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Average rainfall in March
Annapolis, MD

Average rainfall in March - Annapolis, MD
  • Average rainfall in March: 0.67"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in March
Annapolis, MD

Average rainfall days in March - Annapolis, MD
  • Average rainfall days in March: 9.5 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in March
Annapolis, MD

Average snowfall in March - Annapolis, MD
  • Average snowfall in March: 0.2"

The month with the highest snowfall is January (0.67").
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
Annapolis, MD

Average snowfall days in March - Annapolis, MD
  • Average snowfall days in March: 1.5 days

The month with the highest number of snowfall days is February (2.5 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
Annapolis, MD

Average sea temperature in March - Annapolis, MD
  • Average sea temperature in March: 46°F

The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).

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Average daylight in March /
Average sunshine in March
Annapolis, MD

Average daylight in March / Average sunshine in March - Annapolis, MD
  • Average daylight in March: 11h and 59min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in March: 6h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in March
Annapolis, MD

Average sunshine days in March - Annapolis, MD
  • Average sunshine days in March: 19.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in March
Annapolis, MD

Average UV index in March - Annapolis, 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
Annapolis, MD

Average cloud cover in March - Annapolis, 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).

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Average visibility in March
Annapolis, MD

Average visibility in March - Annapolis, 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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