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
The arrival of April brings an increase in high-temperatures, moving from a cool 54°F (12.2°C) in March to an enjoyable 65.8°F (18.8°C). In April, South Williamson encounters an average low-temperature of 46°F (7.8°C) during the night.Humidity
The average relative humidity in April in South Williamson is 76%.Rainfall
In April, the rain falls for 16.7 days. Throughout April, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in South Williamson, Kentucky, there are 163.6 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.3 days. Throughout April, 0.43" (11mm) of snow is accumulated. In South Williamson, during the entire year, snow falls for 32.9 days and aggregates up to 16.81" (427mm) of snow.Daylight
The average length of the day in April in South Williamson is 13h and 12min.On the first day of the month, sunrise is at 7:13 am and sunset at 7:52 pm. On the last day of April, sunrise is at 6:33 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in April in South Williamson is 8.4h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In April, an average UV index of 5 transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the average April temperature in South Williamson?
What is the average humidity in April in South Williamson?
How many days does it rain in April in South Williamson?
How much does it snow in South Williamson in April?
How many hours of daylight does South Williamson have in April?
What time are sunrise and sunset in April in South Williamson?
How many hours of sunshine does South Williamson have in April?
What is the UV index reading in April in South Williamson?
Average temperature in April
South Williamson, KY
- Average high temperature in April: 65.8°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in April
South Williamson, KY
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
South Williamson, KY
- Average wind speed in April: 6.4mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in April
South Williamson, KY
- Average humidity in April: 76%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).
Average rainfall in April
South Williamson, KY
- Average rainfall in April: 2.83"
The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in April
South Williamson, KY
- Average rainfall days in April: 16.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in April
South Williamson, KY
- Average snowfall in April: 0.43"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
South Williamson, KY
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
South Williamson, KY
- 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 36min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
South Williamson, KY
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in April
South Williamson, KY
- Average UV index in April: 5
The months with the highest UV index are June 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
South Williamson, KY
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
South Williamson, KY
- 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).
South Williamson, Kentucky, USA
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