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
Louisville's transition into April sees a rise in the average high-temperature, advancing from a frosty 46°F (7.8°C) in March to a refreshing 59°F (15°C). The temperature in Louisville dips to an average of 40.1°F (4.5°C) during April nights.Humidity
April, July and August, with an average relative humidity of 77%, are the least humid months.Rainfall
In Louisville, during April, the rain falls for 13.1 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Louisville, Ohio, during the entire year, the rain falls for 119.1 days and collects up to 9.69" (246mm) of precipitation.Snowfall
Months with snowfall in Louisville are January through April, October through December. April is the last month it regularly snows. During 1.8 snowfall days, in April, Louisville aggregates 0.16" (4mm) of snow. Throughout the year, in Louisville, there are 44.3 snowfall days, and 4.49" (114mm) of snow is accumulated.Daylight
In Louisville, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:50 pm. On the last day of April, sunrise is at 6:23 am and sunset at 8:20 pm EDT.
Sunshine
In Louisville, the average sunshine in April is 7.3h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, an average UV index of 4 transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Louisville?
What are the least humid months in Louisville?
What is the average humidity in April in Louisville?
How much does it rain in Louisville in April?
What is the last month it snows in Louisville?
How many hours of daylight does Louisville have in April?
When are sunrise and sunset in April in Louisville?
How many hours of sunshine does Louisville have in April?
What is the UV index intensity in April in Louisville?
Average temperature in April
Louisville, OH
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Louisville, OH
- Average pressure in April: 29.97"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
Louisville, OH
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in April
Louisville, OH
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in April
Louisville, OH
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is June (1.14").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in April
Louisville, OH
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in April
Louisville, OH
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Louisville, OH
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Louisville, OH
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in April
Louisville, OH
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in April
Louisville, OH
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Louisville, OH
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Louisville, OH
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Louisville, Ohio, USA
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