Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, Lewes's weather sees a temperature rise, transitioning from a chilly 47.8°F (8.8°C) in March to a mild 57.6°F (14.2°C). The nights of April anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 48.6°F (9.2°C).Humidity
In Lewes, the average relative humidity in April is 76%.Rainfall
In Lewes, in April, during 15.6 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 173.6 rainfall days, and 36.97" (939mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Ocean temperature
In April, the average ocean temperature is 48.4°F (9.1°C).Note: Swimming in 48.4°F (9.1°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
In Lewes, Delaware, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:52 pm EDT.
Sunshine
In April, the average sunshine in Lewes is 9h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lewes in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in April?
What is the water temperature in April?
What is the average length of the day in April?
When is the sunrise / sunset in April in Lewes?
How long on average sun shines in April?
What is the UV index intensity in April in Lewes?
Average temperature in April
Lewes, DE
- Average high temperature in April: 57.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in April
Lewes, DE
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Lewes, DE
- Average wind speed in April: 11.9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Lewes, DE
- Average humidity in April: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in April
Lewes, DE
- Average rainfall in April: 2.56"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in April
Lewes, DE
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in April
Lewes, DE
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Lewes, DE
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in April
Lewes, DE
- Average sea temperature in April: 48.5°F
The best month for swimming (with the highest average sea temperature) is August (76.9°F).
The coldest month (with the lowest average sea temperature) is February (40.7°F).
Average daylight in April /
Average sunshine in April
Lewes, DE
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h
The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).
Average sunshine days in April
Lewes, DE
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in April
Lewes, 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 and December (UV index 2).
Average cloud cover in April
Lewes, DE
- Average cloud cover in April: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Lewes, 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).
Lewes, Delaware, USA
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