April weather forecast
Stephen Knolls, MD

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Weather in April

April in Stephen Knolls, Maryland, is an enjoyable spring month, with an average temperature ranging between min 46.8°F (8.2°C) and max 64.9°F (18.3°C).

Temperature

As Stephen Knolls, Maryland, enters April, the average high-temperature increases from the a cool 52.3°F (11.3°C) of March to an enjoyable 64.9°F (18.3°C). April's nights observe an average temperature of 46.8°F (8.2°C).

Humidity

In Stephen Knolls, the average relative humidity in April is 70%.

Rainfall

In Stephen Knolls, during April, the rain falls for 15.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 154.8 rainfall days, and 30.28" (769mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Stephen Knolls, Maryland. April is the last month it regularly snows in Stephen Knolls. During 0.1 snowfall days, in April, Stephen Knolls aggregates 0.08" (2mm) of snow. Throughout the year, in Stephen Knolls, Maryland, there are 15 snowfall days, and 9.17" (233mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 15min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:32 pm. On the last day of April, in Stephen Knolls, sunrise is at 6:10 am and sunset at 8:00 pm EDT.

Sunshine

In Stephen Knolls, Maryland, the average sunshine in April is 8.7h.

UV index

In Stephen Knolls, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the temperature in April in Stephen Knolls?

The average high-temperature, in April, in Stephen Knolls, is 64.9°F (18.3°C), while the average low-temperature is 46.8°F (8.2°C).

What is the average humidity in April in Stephen Knolls?

In Stephen Knolls, the average relative humidity in April is 70%.

How much does it rain in Stephen Knolls in April?

In Stephen Knolls, Maryland, in April, during 15.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

What is the last month it snows in Stephen Knolls?

April is the last month it regularly snows. During 0.1 snowfall days, in April, Stephen Knolls aggregates 0.08" (2mm) of snow.

What is the average length of the day in April in Stephen Knolls?

In April, the average day length is 13h and 15min.

What time are sunrise and sunset in April in Stephen Knolls?

In April, on the first day of the month, sunrise is at 6:51 am and sunset at 7:32 pm. On the last day of the month, in Stephen Knolls, sunrise is at 6:10 am and sunset at 8:00 pm EDT.

How many hours of sunshine does Stephen Knolls have in April?

The average sunshine duration in April in Stephen Knolls, Maryland, is 8.7h.

What is the UV index reading in April in Stephen Knolls?

In April, the average daily maximum UV index in Stephen Knolls is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Stephen Knolls, MD

Average temperature in April - Stephen Knolls, MD
  • Average high temperature in April: 64.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in April: 46.8°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in April
Stephen Knolls, MD

Average pressure in April - Stephen Knolls, MD
  • Average pressure in April: 29.99"Hg

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

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Average wind speed in April
Stephen Knolls, MD

Average wind speed in April - Stephen Knolls, MD
  • Average wind speed in April: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in April
Stephen Knolls, MD

Average humidity in April - Stephen Knolls, MD
  • Average humidity in April: 70%

The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in April
Stephen Knolls, MD

Average rainfall in April - Stephen Knolls, MD
  • Average rainfall in April: 2.52"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in April
Stephen Knolls, MD

Average rainfall days in April - Stephen Knolls, MD
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in April
Stephen Knolls, MD

Average snowfall in April - Stephen Knolls, MD
  • Average snowfall in April: 0.08"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Stephen Knolls, MD

Average snowfall days in April - Stephen Knolls, MD
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is January (4.6 days).
The 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
Stephen Knolls, MD

Average daylight in April / Average sunshine in April - Stephen Knolls, MD
  • Average daylight in April: 13h and 2min

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 April: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in April
Stephen Knolls, MD

Average sunshine days in April - Stephen Knolls, MD
  • Average sunshine days in April: 13.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in April
Stephen Knolls, MD

Average UV index in April - Stephen Knolls, 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, November and December (UV index 2).

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Average cloud cover in April
Stephen Knolls, MD

Average cloud cover in April - Stephen Knolls, 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 32).

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Average visibility in April
Stephen Knolls, MD

Average visibility in April - Stephen Knolls, MD
  • Average visibility in April: 6mi

The 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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Stephen Knolls, Maryland, USA

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