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 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, the average high-temperature slightly shifts from March's fresh 50.2°F (10.1°C) to a comfortable 62.2°F (16.8°C). Throughout April, Clayton witnesses a consistent average low-temperature of 46.4°F (8°C).Humidity
April is the least humid month in Clayton, with an average relative humidity of 73%.Rainfall
In Clayton, in April, during 15.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Clayton, during the entire year, the rain falls for 169.2 days and collects up to 34.96" (888mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Clayton. During 0.2 snowfall days, in April, Clayton aggregates 0.12" (3mm) of snow. In Clayton, during the entire year, snow falls for 14.4 days and aggregates up to 7.44" (189mm) of snow.Daylight
In Clayton, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:55 pm EDT.
Sunshine
In Clayton, the average sunshine in April is 8.8h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Heed the precautions - It is counselled to guard against solar damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April in Clayton?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Clayton have in April?
What is the UV index intensity in April?
Average temperature in April
Clayton, DE
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in April: 46.4°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in April
Clayton, DE
- Average pressure in April: 29.99"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
Clayton, DE
- Average wind speed in April: 9.4mph
The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Clayton, DE
- Average humidity in April: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Clayton, DE
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in April
Clayton, DE
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Clayton, DE
- Average snowfall in April: 0.12"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Clayton, DE
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.5 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
Clayton, DE
- 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in April
Clayton, DE
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Clayton, 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
Clayton, DE
- 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 29).
Average visibility in April
Clayton, 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).
Clayton, Delaware, USA
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