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
In Mount Vernon, the onset of April comes with an increased average high-temperature, moving from March's mild 56.8°F (13.8°C) to a comfortable 66.7°F (19.3°C). An average low-temperature of 47.7°F (8.7°C) marks the nights throughout April.Humidity
The average relative humidity in April is 75%.Rainfall
In Mount Vernon, during April, the rain falls for 15.8 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Mount Vernon, during the entire year, the rain falls for 155.3 days and collects up to 35.59" (904mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Mount Vernon, in April, snow falls for 0.5 days, with typically accumulated 0.12" (3mm) of snow. In Mount Vernon, during the entire year, snow falls for 17.9 days and aggregates up to 6.93" (176mm) of snow.Daylight
In Mount Vernon, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:38 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:03 pm CDT.
Sunshine
In April, the average sunshine is 8.3h.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 unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during April leads to these advisories:
Take precautions - Protection against sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Mount Vernon have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Mount Vernon have in April?
How high is the UV index in April?
Average temperature in April
Mount Vernon, MO
- Average high temperature in April: 66.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in April
Mount Vernon, MO
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).
Average wind speed in April
Mount Vernon, MO
- Average wind speed in April: 10.3mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in April
Mount Vernon, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in April
Mount Vernon, MO
- Average rainfall in April: 3.58"
The wettest month (with the highest rainfall) is May (5.31").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in April
Mount Vernon, MO
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Mount Vernon, MO
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Mount Vernon, MO
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mount Vernon, MO
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in April
Mount Vernon, MO
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in April
Mount Vernon, MO
- 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
Mount Vernon, MO
- Average cloud cover in April: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Mount Vernon, 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).
Mount Vernon, Missouri, USA
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