April weather forecast
Cabin John, MD

Weather in April

April in Cabin John, Maryland, is a comfortable spring month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 64.9°F (18.3°C).

Temperature

In Cabin John, the average high-temperature increases, from a cool 52.7°F (11.5°C) in March, to a comfortable 64.9°F (18.3°C). The average low-temperature, in April, is 46.4°F (8°C).

Humidity

In April, the average relative humidity is 70%.

Rainfall

In April, in Cabin John, the rain falls for 14.6 days. Throughout April, 2.36" (60mm) of precipitation is accumulated. In Cabin John, during the entire year, the rain falls for 150.3 days and collects up to 28.66" (728mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Cabin John. During 0.1 snowfall days, Cabin John aggregates 0.2" (5mm) of snow. Throughout the year, there are 13.7 snowfall days, and 8.39" (213mm) of snow is accumulated.

Daylight

The average length of the day in Cabin John, Maryland, is 13.3h.

Sunshine

In April, the average sunshine in Cabin John is 8.8h.

UV index

In Cabin John, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 average humidity in April in Cabin John?

In Cabin John, the average relative humidity in April is 70%.

How many days does it rain in April in Cabin John?

In April, in Cabin John, Maryland, the rain falls for 14.6 days. Throughout April, 2.36" (60mm) of precipitation is accumulated.

What is the last month it snows in Cabin John?

April is the last month it regularly snows in Cabin John. During 0.1 snowfall days, in April, Cabin John aggregates 0.2" (5mm) of snow.

How many hours of daylight does Cabin John have in April?

The average length of the day in April in Cabin John, Maryland, is 13.3h.

How many hours of sunshine does Cabin John have in April?

In Cabin John, Maryland, the average sunshine in April is 8.8h.

What is the UV index intensity in April in Cabin John?

In April, the average daily maximum UV index in Cabin John, Maryland, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in April
Cabin John, MD

Average temperature in April - Cabin John, MD
  • Average high temperature in April: 64.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in April: 46.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in April
Cabin John, MD

Average pressure in April - Cabin John, MD
  • Average pressure in April: 29.99"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in April
Cabin John, MD

Average wind speed in April - Cabin John, MD
  • Average wind speed in April: 7.8mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in April
Cabin John, MD

Average humidity in April - Cabin John, MD
  • Average humidity in April: 70%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in April
Cabin John, MD

Average rainfall in April - Cabin John, MD
  • Average rainfall in April: 2.36"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days in April
Cabin John, MD

Average rainfall days in April - Cabin John, MD
  • Average rainfall days in April: 14.6 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in April
Cabin John, MD

Average snowfall in April - Cabin John, MD
  • Average snowfall in April: 0.2"

The month with the highest snowfall is January (2.6").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Cabin John, MD

Average snowfall days in April - Cabin John, MD
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (4.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Cabin John, MD

Average daylight in April / Average sunshine in April - Cabin John, MD
  • Average daylight in April: 13.3h

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

  • Average sunshine in April: 8.8h

The month with the most sunshine is July (Average sunshine: 10.7h).
Months with the least sunshine are January, February and December (Average sunshine: 5).

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Average sunshine days in April
Cabin John, MD

Average sunshine days in April - Cabin John, MD
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is November (20.4 days).
Months with the least sunshine days are May and July (12.3 days).

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Average UV index in April
Cabin John, MD

Average UV index in April - Cabin John, MD
  • Average UV index in April: 4

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in April
Cabin John, MD

Average cloud cover in April - Cabin John, MD
  • Average cloud cover in April: 42

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in April
Cabin John, MD

Average visibility in April - Cabin John, MD
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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