April weather forecast
Caseyville, KY

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Weather in April

April in Caseyville, Kentucky, is a comfortable spring month, with an average temperature ranging between max 66.6°F (19.2°C) and min 48.9°F (9.4°C).

Temperature

As April arrives, a rise in the average high-temperature is observed, moving from a refreshing 55.6°F (13.1°C) in March to a comfortable 66.6°F (19.2°C). Caseyville's nighttime temperature during April is consistently averaged at a chilly 48.9°F (9.4°C).

Humidity

In Caseyville, Kentucky, the average relative humidity in April is 77%.

Rainfall

The month with the most rainfall is April, when the rain falls for 13 days and typically aggregates up to 2.2" (56mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Caseyville. During 0.3 snowfall days, in April, Caseyville aggregates 0.04" (1mm) of snow. Throughout the year, in Caseyville, Kentucky, there are 15.2 snowfall days, and 3.03" (77mm) of snow is accumulated.

Daylight

In April, the average length of the day in Caseyville is 13h and 11min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:15 pm. On the last day of April, sunrise is at 5:57 am and sunset at 7:41 pm CDT.

Sunshine

In Caseyville, Kentucky, the average sunshine in April is 8.6h.

UV index

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 5 in April leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Caseyville in April?

During April, Caseyville experiences an average high-temperature of 66.6°F (19.2°C) and a low-temperature of 48.9°F (9.4°C).

What is the average humidity in April in Caseyville?

In Caseyville, the average relative humidity in April is 77%.

What is the wettest month in Caseyville?

April is the month with the most rainfall in Caseyville, Kentucky. Rain falls for 13 days and accumulates 2.2" (56mm) of precipitation.

How much does it rain in Caseyville in April?

In April, in Caseyville, Kentucky, the rain falls for 13 days. Throughout April, 2.2" (56mm) of precipitation is accumulated.

What is the last month it snows in Caseyville?

April is the last month it regularly snows in Caseyville. During 0.3 snowfall days, in April, Caseyville aggregates 0.04" (1mm) of snow.

How many hours of daylight does Caseyville have in April?

In Caseyville, the average day length in April is 13h and 11min.

When is the sunrise / sunset in April in Caseyville?

On the first day of April in Caseyville, sunrise is at 6:36 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:41 pm CDT.

How long on average sun shines in April in Caseyville?

In Caseyville, the average sunshine duration in April is 8.6h.

What is the UV index reading in April in Caseyville?

The average daily maximum UV index in April in Caseyville, Kentucky, 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
Caseyville, KY

Average temperature in April - Caseyville, KY
  • Average high temperature in April: 66.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in April: 48.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in April
Caseyville, KY

Average pressure in April - Caseyville, KY
  • 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).

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Average wind speed in April
Caseyville, KY

Average wind speed in April - Caseyville, KY
  • Average wind speed in April: 9.8mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in April
Caseyville, KY

Average humidity in April - Caseyville, KY
  • Average humidity in April: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Caseyville, KY

Average rainfall in April - Caseyville, KY
  • Average rainfall in April: 2.2"

The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in April
Caseyville, KY

Average rainfall days in April - Caseyville, KY
  • Average rainfall days in April: 13 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in April
Caseyville, KY

Average snowfall in April - Caseyville, KY
  • Average snowfall in April: 0.04"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Caseyville, KY

Average snowfall days in April - Caseyville, KY
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Caseyville, KY

Average daylight in April / Average sunshine in April - Caseyville, 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 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 30min).

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Average sunshine days in April
Caseyville, KY

Average sunshine days in April - Caseyville, KY
  • Average sunshine days in April: 14.9 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).

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Average UV index in April
Caseyville, KY

Average UV index in April - Caseyville, 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).

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Average cloud cover in April
Caseyville, KY

Average cloud cover in April - Caseyville, KY
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in April
Caseyville, KY

Average visibility in April - Caseyville, 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).

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Caseyville, Kentucky, USA

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