April weather forecast
Glen Isle, MD

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Weather in April

April is a refreshing spring month in Glen Isle, Maryland, with an average temperature fluctuating between 48.2°F (9°C) and 62.2°F (16.8°C).

Temperature

Entering April, Glen Isle sees a temperature rise, with the average high-temperature advancing from March's fresh 50.5°F (10.3°C) to a refreshing 62.2°F (16.8°C). In the month of April, Glen Isle experiences an average low-temperature of 48.2°F (9°C).

Humidity

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

Rainfall

In Glen Isle, during April, the rain falls for 11.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in April is 13h and 15min.
On the first day of April, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:58 pm EDT.

Sunshine

In Glen Isle, the average sunshine in April is 8.8h.

UV index

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 in April translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

April temperatures in Glen Isle vary between a high-temperature of 62.2°F (16.8°C) and a low-temperature of 48.2°F (9°C).

What are the least humid months?

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

What is the average humidity in April?

The average relative humidity in April is 72%.

How much does it rain in April?

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

When it does not snow?

April through October are months without snowfall.

Does it snow in April?

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

How many hours of daylight does Glen Isle have in April?

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

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:58 pm EDT.

How many hours of sunshine does Glen Isle have in April?

The average sunshine duration in April is 8.8h.

How high is the UV index in April?

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

Average temperature in April
Glen Isle, MD

Average temperature in April - Glen Isle, 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).

Average pressure in April
Glen Isle, MD

Average pressure in April - Glen Isle, 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).

Average wind speed in April
Glen Isle, MD

Average wind speed in April - Glen Isle, 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).

Average humidity in April
Glen Isle, MD

Average humidity in April - Glen Isle, 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%).

Average rainfall in April
Glen Isle, MD

Average rainfall in April - Glen Isle, 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").

Average rainfall days in April
Glen Isle, MD

Average rainfall days in April - Glen Isle, 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).

Average snowfall in April
Glen Isle, MD

Average snowfall in April - Glen Isle, 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").

Average snowfall days in April
Glen Isle, MD

Average snowfall days in April - Glen Isle, 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).

Average daylight in April /
Average sunshine in April
Glen Isle, MD

Average daylight in April / Average sunshine in April - Glen Isle, MD
  • Average daylight in April: 13h and 1min

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 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).

Average sunshine days in April
Glen Isle, MD

Average sunshine days in April - Glen Isle, 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).

Average UV index in April
Glen Isle, MD

Average UV index in April - Glen Isle, 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).

Average cloud cover in April
Glen Isle, MD

Average cloud cover in April - Glen Isle, 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).

Average visibility in April
Glen Isle, MD

Average visibility in April - Glen Isle, 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).

Glen Isle, Maryland, USA

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