Annapolis
Maryland, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Annapolis, MD

A view of Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
A view of Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
The first month of the spring, March, is a cool month in Annapolis, Maryland, with average temperature ranging between min 36.9°F (2.7°C) and max 53.2°F (11.8°C).

Temperature

In Annapolis, the average high-temperature slightly increases, from a chilly 45.5°F (7.5°C) in February, to a fresh 53.2°F (11.8°C). In March, in Annapolis, the average low-temperature is 36.9°F (2.7°C).

Rainfall

In Annapolis, Maryland, in March, during 11.2 rainfall days, 4.5" (115.1mm) of precipitation is typically accumulated. Throughout the year, in Annapolis, there are 115.1 rainfall days, and 47.3" (1200.7mm) of precipitation is accumulated.

Ocean temperature

In Annapolis, Maryland, the average water temperature is 46°F (7.8°C). Swimming in 46°F (7.8°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.

Daylight

The average length of the day in Annapolis is 12h.

Sunshine

The average sunshine in March is 7h.

UV index

In Annapolis, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
The daily maximum UV index of 5 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.

What is the temperature in March in Annapolis?

In Annapolis, in March, the average high-temperature is 53.2°F (11.8°C), and the average low-temperature is 36.9°F (2.7°C).

How many days does it rain in March in Annapolis?

In March, the rain falls for 11.2 days. Throughout March, 4.5" (115.1mm) of precipitation is accumulated.

What is the water temperature in March in Annapolis?

In Annapolis, Maryland, the average seawater temperature in March is 46°F (7.8°C). Swimming in 46°F (7.8°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.

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

In March, the average length of the day in Annapolis, Maryland, is 12h.

How long on average sun shines in March in Annapolis?

In March, the average sunshine in Annapolis is 7h.

What is the UV index reading in March in Annapolis?

In Annapolis, Maryland, the average daily maximum UV index in March is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in March - Annapolis, MD
  • Average high temperature in March: 53.2°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.7°F).

  • Average low temperature in March: 36.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average rainfall in March - Annapolis, MD
  • Average rainfall in March: 4.5"

The wettest month (with the highest rainfall) is September (4.8").
The driest month (with the lowest rainfall) is February (2.9").

Average rainfall days in March - Annapolis, MD
  • Average rainfall days in March: 11.2 days

Months with the highest number of rainy days are March and April (11.2 days).
Months with the lowest number of rainy days are September and October (7.8 days).

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).

Average daylight in March / Average sunshine in March - Annapolis, MD
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in March: 7h

Months with most sunshine are June, July and August (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in March - Annapolis, MD
  • Average UV index in March: 5

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 2).