March weather forecast
Annapolis, MD

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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

As spring arrives in the city of Annapolis, the climate begins to shift. Despite the month's characteristic increase in rainfall to an average of 0.67" (17mm) from 0.55" (14mm) in February, the city takes on a cheerier disposition. With increased daylight hours, the city begins to warm up. The bark of winter fades, and the season of blooming cherry blossoms ushers in an entirely different mood. March brings with it the year's first distinctive taste of spring.

Temperature

March comes with a subtle rise, with the average high-temperature adjusting from a frosty 43°F (6.1°C) in February to a cool 50.5°F (10.3°C). March brings with it a nighttime average temperature of 38.5°F (3.6°C).

Humidity

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

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. Throughout the year, in Annapolis, there are 8.3 snowfall days, and 1.22" (31mm) of snow is accumulated.

Ocean temperature

In Annapolis, in March, the average water temperature is 46°F (7.8°C).
Note: Dipping in 46°F (7.8°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

In Annapolis, 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 6:50 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 Annapolis, Maryland, the average sunshine in March is 6.9h.

UV index

The average daily maximum UV index in March in Annapolis, Maryland, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 3 during March leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in March in Annapolis?

The high-temperature, in March, in Annapolis, records 50.5°F (10.3°C), while the low-temperature is 38.5°F (3.6°C).

What are the least humid months in Annapolis?

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

What is the average humidity in March in Annapolis?

In Annapolis, Maryland, the average relative humidity in March is 72%.

How much does it rain in Annapolis in March?

In March, in Annapolis, the rain falls for 9.5 days. Throughout March, 0.67" (17mm) of precipitation is accumulated.

What is the last month it snows in Annapolis?

March is the last month it regularly snows in Annapolis. 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, the average seawater temperature in March is 46°F (7.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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

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

When are sunrise and sunset in March in Annapolis?

In March, 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 the month, in Annapolis, sunrise is at 6:50 am and sunset at 7:29 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Annapolis, Maryland, 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 Annapolis have in March?

The average sunshine duration in March in Annapolis, Maryland, 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 value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMarchAMJJASOND
Feb
March
Apr
Average high temperature
43°F 6.1°C
50.5°F 10.3°C
62.2°F 16.8°C
Average low temperature
32°F 0°C
38.5°F 3.6°C
48.2°F 9°C
Average pressure
30.07" 764mmHg
30.08" 764mmHg
29.99" 762mmHg
Average wind speed
9.9mph 15.9km/h
9.9mph 15.9km/h
9.7mph 15.6km/h
Average max. wind speed
10.6mph 17.1km/h
10.6mph 17.1km/h
10.5mph 16.9km/h
Average wind speed gusts
16.5mph 26.6km/h
16mph 25.7km/h
16mph 25.7km/h
Average humidity
73%
72%
72%
Average rainfall
0.55" 14mm
0.67" 17mm
0.75" 19mm
Average rainfall days
6.4
9.5
11.3
Average snowfall
0.2" 5mm
0.2" 5mm
0" 0mm
Average snowfall days
2.5
1.5
0.1
Average sea temperature
45.1°F 7.3°C
46°F 7.8°C
51.5°F 10.8°C
Average daylight
10h 5min
12h 0min
13h 1min
Average sunshine
5h 0min
6h 5min
8h 5min
Average sunshine days
19.2
19.8
17
Average UV index
2
3
4
Average cloud cover
45%
45%
40%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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: 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 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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Annapolis, Maryland, USA

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