April weather forecast
Delaware City, DE

Weather in April

April is an enjoyable spring month in Delaware City, Delaware, with an average temperature varying between 46°F (7.8°C) and 62.4°F (16.9°C).

Temperature

In April, the average high-temperature increases from a fresh 50.2°F (10.1°C) in March to an enjoyable 62.4°F (16.9°C). In April, the average low-temperature is 46°F (7.8°C).

Humidity

The least humid month in Delaware City is April, with an average relative humidity of 72%.

Rainfall

In Delaware City, it is raining for 13.4 days, with typically 1.89" (48mm) of accumulated precipitation. In Delaware City, during the entire year, the rain falls for 145.9 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

Months with snowfall in Delaware City are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, Delaware City aggregates 0.04" (1mm) of snow. Throughout the year, there are 13 snowfall days, and 5.24" (133mm) of snow is accumulated.

Ocean temperature

In Delaware City, in April, the average water temperature is 47.7°F (8.7°C).
Note: Swimming in 47.7°F (8.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in April is 13h and 16min.
On the first day of April in Delaware City, sunrise is at 6:46 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:55 pm EDT.

Sunshine

In Delaware City, the average sunshine in April is 8.6h.

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 radiation for ordinary 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 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 the 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 least humid month in Delaware City?

The least humid month in Delaware City, Delaware, is April, with an average relative humidity of 72%.

What is the average humidity in April in Delaware City?

In April, the average relative humidity in Delaware City, Delaware, is 72%.

How many days does it rain in April in Delaware City?

In Delaware City, during April, the rain falls for 13.4 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the last month it snows in Delaware City?

April is the last month it regularly snows. During 0.1 snowfall days, in April, Delaware City aggregates 0.04" (1mm) of snow.

What is the ocean temperature in April in Delaware City?

In April, the average ocean temperature in Delaware City is 47.7°F (8.7°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.

How many hours of daylight does Delaware City have in April?

The average day length in April in Delaware City is 13h and 16min.

When is the sunrise / sunset in April in Delaware City?

On the first day of April in Delaware City, sunrise is at 6:46 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:55 pm EDT.

How many hours of sunshine does Delaware City have in April?

In Delaware City, Delaware, the average sunshine duration in April is 8.6h.

How high is the UV index in April in Delaware City?

In April, the average daily maximum UV index in Delaware City, Delaware, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Delaware City, DE

Average temperature in April - Delaware City, DE
  • Average high temperature in April: 62.4°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 (38.3°F).

  • Average low temperature in April: 46°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in April
Delaware City, DE

Average pressure in April - Delaware City, DE
  • 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
Delaware City, DE

Average wind speed in April - Delaware City, DE
  • Average wind speed in April: 8.8mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in April
Delaware City, DE

Average humidity in April - Delaware City, DE
  • Average humidity in April: 72%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in April
Delaware City, DE

Average rainfall in April - Delaware City, DE
  • Average rainfall in April: 1.89"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in April
Delaware City, DE

Average rainfall days in April - Delaware City, DE
  • Average rainfall days in April: 13.4 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in April
Delaware City, DE

Average snowfall in April - Delaware City, DE
  • Average snowfall in April: 0.04"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Delaware City, DE

Average snowfall days in April - Delaware City, DE
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is January (4.3 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
Delaware City, DE

Average sea temperature in April - Delaware City, DE
  • Average sea temperature in April: 47.6°F

The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).

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Average daylight in April /
Average sunshine in April
Delaware City, DE

Average daylight in April / Average sunshine in April - Delaware City, DE
  • Average daylight in April: 13h and 16min

The month with the longest days is June (Average daylight: 14h and 55min).
The month with the shortest days is December (Average daylight: 9h and 26min).

  • Average sunshine in April: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in April
Delaware City, DE

Average sunshine days in April - Delaware City, DE
  • Average sunshine days in April: 14.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in April
Delaware City, DE

Average UV index in April - Delaware City, DE
  • 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, November and December (UV index 2).

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Average cloud cover in April
Delaware City, DE

Average cloud cover in April - Delaware City, DE
  • Average cloud cover in April: 42

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in April
Delaware City, DE

Average visibility in April - Delaware City, DE
  • 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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