April weather forecast
South Union, KY

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Weather in April

April is a refreshing spring month in South Union, Kentucky, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 67.8°F (19.9°C).

Temperature

With the onset of April, South Union experiences a temperature shift, with the average high-temperature moving from a moderate 56.8°F (13.8°C) in March to an enjoyable 67.8°F (19.9°C). South Union encounters a steady low-temperature average of 49.1°F (9.5°C) throughout the month of April.

Humidity

In April, the average relative humidity is 77%.

Rainfall

In South Union, during April, the rain falls for 14.5 days and regularly aggregates up to 3.23" (82mm) of precipitation. In South Union, during the entire year, the rain falls for 171.5 days and collects up to 37.2" (945mm) 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, South Union aggregates 0.16" (4mm) of snow. Throughout the year, there are 14.8 snowfall days, and 5.55" (141mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 10min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:09 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:34 pm CDT.

Sunshine

The average sunshine in April in South Union is 8.8h.

UV index

The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 5 in April translates into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

South Union in April has an average high-temperature of 67.8°F (19.9°C) and an average low-temperature of 49.1°F (9.5°C).

What is the average humidity in April?

In April, the average relative humidity is 77%.

How much does it rain in April?

In April, the rain falls for 14.5 days. Throughout April, 3.23" (82mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.3 snowfall days, in April, South Union aggregates 0.16" (4mm) of snow.

What is the average length of the day in April in South Union?

In April, the average day length is 13h and 10min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:31 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:34 pm CDT.

How many hours of sunshine does South Union have in April?

In South Union, the average sunshine duration in April is 8.8h.

How high is the UV index in April?

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
South Union, KY

Average temperature in April - South Union, KY
  • Average high temperature in April: 67.8°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 (42.3°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 (28.8°F).

Average pressure in April
South Union, KY

Average pressure in April - South Union, KY
  • Average pressure in April: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in April
South Union, KY

Average wind speed in April - South Union, KY
  • Average wind speed in April: 8.5mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in April
South Union, KY

Average humidity in April - South Union, KY
  • Average humidity in April: 77%

The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in April
South Union, KY

Average rainfall in April - South Union, KY
  • Average rainfall in April: 3.23"

The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in April
South Union, KY

Average rainfall days in April - South Union, KY
  • Average rainfall days in April: 14.5 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in April
South Union, KY

Average snowfall in April - South Union, KY
  • Average snowfall in April: 0.16"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
South Union, KY

Average snowfall days in April - South Union, KY
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (4.2 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
South Union, KY

Average daylight in April / Average sunshine in April - South Union, KY
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in April: 8h and 5min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in April
South Union, KY

Average sunshine days in April - South Union, KY
  • Average sunshine days in April: 13.1 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in April
South Union, KY

Average UV index in April - South Union, KY
  • 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
South Union, KY

Average cloud cover in April - South Union, KY
  • Average cloud cover in April: 40

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in April
South Union, KY

Average visibility in April - South Union, KY
  • 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).

South Union, Kentucky, USA

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