April weather forecast
Arnold, MD

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Weather in April

April is a comfortable spring month in Arnold, Maryland, with an average temperature ranging between max 62.8°F (17.1°C) and min 47.5°F (8.6°C).

Temperature

April's onset is marked by a temperature increase, moving from a fresh 50.7°F (10.4°C) in March to an enjoyable 62.8°F (17.1°C). Arnold cools down to an average low-temperature of 47.5°F (8.6°C) throughout the month of April.

Humidity

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

Rainfall

In Arnold, in April, it is raining for 15.7 days, with typically 2.6" (66mm) of accumulated precipitation. In Arnold, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Arnold aggregates 0.08" (2mm) of snow. In Arnold, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.

Daylight

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

Sunshine

The average sunshine in April is 8.8h.

UV index

The average daily maximum UV index in April in Arnold, Maryland, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 4 in April leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

What is the temperature in April?

April temperatures vary between a high-temperature of 62.8°F (17.1°C) and a low-temperature of 47.5°F (8.6°C).

What is the least humid month?

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 many days does it rain in April?

In April, the rain falls for 15.7 days. Throughout April, 2.6" (66mm) of precipitation is accumulated.

What is the last month it snows?

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

What is the average length of the day in April?

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

When are sunrise and sunset in April?

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.

How long on average sun shines in April in Arnold?

In April, the average sunshine duration is 8.8h.

How high is the UV index in April?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Arnold, MD

Average temperature in April - Arnold, MD
  • Average high temperature in April: 62.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in April: 47.5°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in April
Arnold, MD

Average pressure in April - Arnold, 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 (29.94"Hg).

Average wind speed in April
Arnold, MD

Average wind speed in April - Arnold, MD
  • Average wind speed in April: 9.1mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in April
Arnold, MD

Average humidity in April - Arnold, 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
Arnold, MD

Average rainfall in April - Arnold, MD
  • Average rainfall in April: 2.6"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in April
Arnold, MD

Average rainfall days in April - Arnold, MD
  • Average rainfall days in April: 15.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in April
Arnold, MD

Average snowfall in April - Arnold, MD
  • Average snowfall in April: 0.08"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Arnold, MD

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

The month with the highest number of snowfall days is January (4.4 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
Arnold, MD

Average daylight in April / Average sunshine in April - Arnold, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in April
Arnold, MD

Average sunshine days in April - Arnold, MD
  • Average sunshine days in April: 12.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in April
Arnold, MD

Average UV index in April - Arnold, 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).

Average cloud cover in April
Arnold, MD

Average cloud cover in April - Arnold, MD
  • Average cloud cover in April: 41

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
Arnold, MD

Average visibility in April - Arnold, 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).

Arnold, Maryland, USA

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