Climate and monthly weather forecast
Caseyville, KY

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Weather in January

January, like December, in Caseyville, Kentucky, is an icy winter month, with an average temperature varying between 40.1°F (4.5°C) and 27.5°F (-2.5°C). January, marked by an average high-temperature of 40.1°F (4.5°C) and a low-temperature of 27.5°F (-2.5°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Caseyville, Kentucky, with an average temperature fluctuating between 31.1°F (-0.5°C) and 45.1°F (7.3°C). The arrival of February brings an average high-temperature of a frosty 45.1°F (7.3°C), nearly identical to January's 40.1°F (4.5°C). Weather in February »

Weather in March

March, the first month of the spring in Caseyville, is a moderate month, with an average temperature ranging between max 55.6°F (13.1°C) and min 39.9°F (4.4°C). The arrival of March brings an increase in high-temperatures, moving from a frosty 45.1°F (7.3°C) in February to a refreshing 55.6°F (13.1°C). Weather in March »

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). 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). Weather in April »

Weather in May

May, the last month of the spring in Caseyville, is a warm month, with an average temperature varying between 75.2°F (24°C) and 58.3°F (14.6°C). May witnesses a minor rise in the average high-temperature, transitioning from a refreshing 66.6°F (19.2°C) in April to a moderately hot 75.2°F (24°C). Weather in May »

Weather in June

June, the first month of the summer in Caseyville, is still a warm month, with an average temperature varying between 83.7°F (28.7°C) and 65.8°F (18.8°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a warm 75.2°F (24°C) to a still moderately hot 83.7°F (28.7°C). Weather in June »

Weather in July

July in Caseyville, Kentucky, is a tropical summer month, with an average temperature ranging between min 68.4°F (20.2°C) and max 86.2°F (30.1°C). July, on average, is the warmest month, registering a high temperature of 86.2°F (30.1°C) and a low of 68.4°F (20.2°C). For most parts of July, the heat index is evaluated at a torrid 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Caseyville, Kentucky, with an average temperature varying between 84.9°F (29.4°C) and 66.2°F (19°C). Caseyville, Kentucky, experiences an average high-temperature of a warm 84.9°F (29.4°C) with the onset of August, subtly varied from July's 86.2°F (30.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Caseyville, Kentucky, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 80.1°F (26.7°C). The advent of September reveals an average high-temperature of a still warm 80.1°F (26.7°C), showing minimal difference from the prior month. Weather in September »

Weather in October

October, like September, in Caseyville, Kentucky, is another comfortable autumn month, with an average temperature fluctuating between 67.8°F (19.9°C) and 50.2°F (10.1°C). With the beginning of October, the average high-temperature shows a decrease, transitioning from a warm 80.1°F (26.7°C) in September to an enjoyable 67.8°F (19.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Caseyville, Kentucky, with an average temperature varying between 54.5°F (12.5°C) and 39.7°F (4.3°C). In November, the average high-temperature goes from a refreshing 67.8°F (19.9°C) in October to a fresh 54.5°F (12.5°C). Weather in November »

Weather in December

December, the first month of the winter in Caseyville, is also a frosty month, with an average temperature fluctuating between 45.1°F (7.3°C) and 33.3°F (0.7°C). December comes with a drop in the average high-temperature, falling from November's cool 54.5°F (12.5°C) to a chilly 45.1°F (7.3°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Caseyville?

Caseyville's temperature records reveal January as the coldest month, marked by average highs of 40.1°F (4.5°C) and lows of 27.5°F (-2.5°C).

How much does it rain in Caseyville?

In Caseyville, Kentucky, during the entire year, the rain falls for 136.4 days and collects up to 20" (508mm) of precipitation.

When does it snow in Caseyville?

Months with snowfall are January through April, November and December.

When does it snow the most in Caseyville?

The month with the most snowfall in Caseyville is January, when snow falls for 4.4 days and typically aggregates up to 0.79" (20mm) of snow.

How many days does it snow in Caseyville?

In Caseyville, during the entire year, snow falls for 15.2 days and aggregates up to 3.03" (77mm) of snow.

What is the month with the least sunshine in Caseyville?

January has the least sunshine of the year in Caseyville, with an average of 4.5h of sunshine.

When is the lowest UV index in Caseyville?

The months with the lowest UV index in Caseyville, Kentucky, are January, February and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Caseyville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Caseyville?

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

What is the most humid month in Caseyville?

With an average relative humidity of 80%, May is the most humid month.

When it does not snow in Caseyville?

In Caseyville, snow does not fall in May through October.

What is the month with the highest UV index in Caseyville?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Caseyville, Kentucky.

When are the longest days in Caseyville?

The month with the longest days in Caseyville, Kentucky, is June, with an average of 14h and 42min of daylight.

What month has the most sunshine in Caseyville?

With an average of 10.5h of sunshine, June has the most sunshine of the year in Caseyville.

What is the hottest time of year in Caseyville?

Caseyville experiences its highest temperatures in July, with an average peak of 86.2°F (30.1°C) and a low of 68.4°F (20.2°C).

What is the driest month in Caseyville?

September is the month with the least rainfall. Rain falls for 9.8 days and accumulates 0.91" (23mm) of precipitation.

What is the least humid month in Caseyville?

October is the least humid month in Caseyville, with an average relative humidity of 71%.

What is the month with the shortest days in Caseyville?

December has the shortest days of the year in Caseyville, Kentucky, with an average of 9h and 36min of daylight.

Average temperature
Caseyville, KY

Average temperature - Caseyville, KY

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).

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
Caseyville, KY

Average pressure - Caseyville, KY

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
Caseyville, KY

Average wind speed - Caseyville, KY

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 rainfall
Caseyville, KY

Average rainfall - Caseyville, KY

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
Caseyville, KY

Average rainfall days - Caseyville, KY

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
Caseyville, KY

Average snowfall - Caseyville, KY

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
Caseyville, KY

Average snowfall days - Caseyville, KY

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 / Average sunshine
Caseyville, KY

Average daylight / Average sunshine - Caseyville, KY

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).

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
Caseyville, KY

Average sunshine days - Caseyville, KY

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
Caseyville, KY

Average UV index - Caseyville, KY

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 visibility
Caseyville, KY

Average visibility - Caseyville, KY

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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