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
As Mount Vernon, Indiana, transitions into April, the average high-temperature shows a change, moving from a cool 55°F (12.8°C) in March to a refreshing 65.8°F (18.8°C). Mount Vernon registers a consistent average low-temperature of 49.1°F (9.5°C) during April.Humidity
The average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall in Mount Vernon. Rain falls for 16.8 days and accumulates 5.28" (134mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Mount Vernon aggregates 0.04" (1mm) of snow. In Mount Vernon, during the entire year, snow falls for 20.3 days and aggregates up to 6.22" (158mm) of snow.Daylight
In Mount Vernon, the average length of the day in April is 13h and 13min.On the first day of April in Mount Vernon, sunrise is at 6:35 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:41 pm CDT.
Sunshine
In Mount Vernon, the average sunshine in April is 8.7h.UV index
In April, the average daily maximum UV index in Mount Vernon is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in April translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Mount Vernon?
What is the average humidity in April in Mount Vernon?
What is the rainiest month in Mount Vernon?
How much does it rain in Mount Vernon in April?
What is the last month it snows in Mount Vernon?
How many hours of daylight does Mount Vernon have in April?
When are sunrise and sunset in April in Mount Vernon?
How many hours of sunshine does Mount Vernon have in April?
What is the UV index intensity in April in Mount Vernon?
Average temperature in April
Mount Vernon, IN
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in April: 49.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in April
Mount Vernon, IN
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Mount Vernon, IN
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in April
Mount Vernon, IN
- Average humidity in April: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Mount Vernon, IN
- Average rainfall in April: 5.28"
The wettest month (with the highest rainfall) is April (5.28").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Mount Vernon, IN
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in April
Mount Vernon, IN
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Mount Vernon, IN
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mount Vernon, IN
- 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 36min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Mount Vernon, IN
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in April
Mount Vernon, IN
- 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
Mount Vernon, IN
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Mount Vernon, IN
- 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, Indiana, USA
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