April 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 April

April is a comfortable spring month in Annapolis, Maryland, with an average temperature ranging between min 48.2°F (9°C) and max 62.2°F (16.8°C).

Temperature

In Annapolis, the average high-temperature in April rises from a fresh 50.5°F (10.3°C) in March to an enjoyable 62.2°F (16.8°C). In Annapolis, in April, the average low-temperature is 48.2°F (9°C).

Humidity

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

Rainfall

In April, in Annapolis, the rain falls for 11.3 days. Throughout April, 0.75" (19mm) of precipitation is accumulated. In Annapolis, Maryland, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall in Annapolis, Maryland.

Ocean temperature

In Annapolis, in April, the average water temperature is 51.4°F (10.8°C).
Note: 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.

Daylight

In April, the average length of the day is 13h and 15min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:09 am and sunset at 7:57 pm EDT.

Sunshine

The average sunshine in April in Annapolis is 8.8h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in April interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 April in Annapolis?

In Annapolis, in April, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 48.2°F (9°C).

What is the least humid month in Annapolis?

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

What is the average humidity in April in Annapolis?

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

How many days does it rain in April in Annapolis?

In Annapolis, in April, during 11.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow in Annapolis?

In Annapolis, Maryland, snow does not fall in April through October.

Does it snow in Annapolis in April?

In April, in Annapolis, it doesn't snow. March is the latest month when it typically snows.

What is the water temperature in April in Annapolis?

In Annapolis, Maryland, in April, the average water temperature is 51.4°F (10.8°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 April in Annapolis?

The average day length in April is 13h and 15min.

When are sunrise and sunset in April in Annapolis?

In April, on the first day of the month, sunrise is at 6:50 am and sunset at 7:29 pm. On the last day of the month, in Annapolis, sunrise is at 6:09 am and sunset at 7:57 pm EDT.

How many hours of sunshine does Annapolis have in April?

In April, the average sunshine duration is 8.8h.

What is the UV index intensity in April in Annapolis?

In Annapolis, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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 April
Annapolis, MD

Average temperature in April - Annapolis, MD
  • Average high temperature in April: 62.2°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 April: 48.2°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 April
Annapolis, MD

Average pressure in April - Annapolis, MD
  • Average pressure in April: 29.99"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 April
Annapolis, MD

Average wind speed in April - Annapolis, MD
  • Average wind speed in April: 9.7mph

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 April
Annapolis, MD

Average humidity in April - Annapolis, MD
  • Average humidity in April: 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 April
Annapolis, MD

Average rainfall in April - Annapolis, MD
  • Average rainfall in April: 0.75"

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 April
Annapolis, MD

Average rainfall days in April - Annapolis, MD
  • Average rainfall days in April: 11.3 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 April
Annapolis, MD

Average snowfall in April - Annapolis, MD
  • Average snowfall in April: 0"

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 April
Annapolis, MD

Average snowfall days in April - Annapolis, MD
  • Average snowfall days in April: 0.1 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 April
Annapolis, MD

Average sea temperature in April - Annapolis, MD
  • Average sea temperature in April: 51.5°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 April /
Average sunshine in April
Annapolis, MD

Average daylight in April / Average sunshine in April - Annapolis, MD
  • Average daylight in April: 13h and 15min

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 April: 8h and 48min

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 April
Annapolis, MD

Average sunshine days in April - Annapolis, MD
  • Average sunshine days in April: 17 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 April
Annapolis, MD

Average UV index in April - Annapolis, MD
  • Average UV index in April: 4

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 April
Annapolis, MD

Average cloud cover in April - Annapolis, MD
  • Average cloud cover in April: 40

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 April
Annapolis, MD

Average visibility in April - Annapolis, MD
  • Average visibility in April: 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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