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
April marks a rise in the average high-temperature, moving from March's fresh 50.2°F (10.1°C) to a refreshing 62.2°F (16.8°C). In April, Clayton encounters an average low-temperature of 46.4°F (8°C) during the night.Humidity
With an average relative humidity of 73%, April is the least humid month in Clayton.Rainfall
In Clayton, in April, it is raining for 15.3 days, with typically 2.64" (67mm) of accumulated precipitation. In Clayton, Delaware, 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 in Clayton, Delaware. April is the last month it regularly snows. 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
The average length of the day in April in Clayton 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 April, the average sunshine 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 unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the usual temperature for Clayton in April?
What is the least humid month in Clayton?
What is the average humidity in April in Clayton?
How much does it rain in Clayton in April?
What is the last month it snows in Clayton?
How many hours of daylight does Clayton have in April?
When is the sunrise / sunset in April in Clayton?
How many hours of sunshine does Clayton have in April?
How high is the UV index in April in Clayton?
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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