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
Clayton in April experiences an increase in the average high-temperature, moving from March's cool 54.3°F (12.4°C) to a refreshing 65.5°F (18.6°C). In the month of April, the temperature in Clayton generally rests at an average low of 48°F (8.9°C).Humidity
In Clayton, the average relative humidity in April is 75%.Rainfall
In Clayton, in April, during 14.8 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Clayton, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.Snowfall
In Clayton, snow does not fall in April through October.Daylight
In Clayton, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April in Clayton is 8.6h.UV index
In Clayton, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, a daily UV index of 5 turns into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Clayton?
What is the average humidity in April in Clayton?
How much does it rain in Clayton in April?
When it does not snow in Clayton?
Does it snow in Clayton in April?
How many hours of daylight does Clayton have in April?
When are sunrise and sunset in April in Clayton?
How long on average sun shines in April in Clayton?
What is the UV index intensity in April in Clayton?
Average temperature in April
Clayton, MO
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Clayton, MO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Clayton, MO
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Clayton, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Clayton, MO
- Average rainfall in April: 3.31"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in April
Clayton, MO
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in April
Clayton, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Clayton, MO
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Clayton, MO
- 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: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Clayton, MO
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in April
Clayton, MO
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Clayton, MO
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Clayton, MO
- 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, Missouri, USA
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