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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Caseyville, Kentucky, with an average temperature fluctuating between 40.1°F (4.5°C) and 27.5°F (-2.5°C). January is the coldest month of the year, registering average temperatures as high as 40.1°F (4.5°C) and as low as 27.5°F (-2.5°C). Weather in January »
Weather in February
February, the last month of the winter in Caseyville, is a frosty month, with an average temperature ranging between max 45.1°F (7.3°C) and min 31.1°F (-0.5°C). During February, the average high-temperature is a frosty 45.1°F (7.3°C), maintaining a close resemblance to that of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Caseyville, is a mild month, with an average temperature varying between 39.9°F (4.4°C) and 55.6°F (13.1°C). The average high-temperature increases in March, moving from a frosty 45.1°F (7.3°C) in February to a mild 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 varying between 48.9°F (9.4°C) and 66.6°F (19.2°C). Caseyville experiences a temperature shift with the start of April, with average high-temperatures moving from a mild 55.6°F (13.1°C) in March to an enjoyable 66.6°F (19.2°C). Weather in April »
Weather in May
May, the last month of the spring in Caseyville, is a moderately hot month, with an average temperature varying between 75.2°F (24°C) and 58.3°F (14.6°C). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 66.6°F (19.2°C) in April to a warm 75.2°F (24°C). Weather in May »
Weather in June
June, the first month of the summer in Caseyville, is also a moderately hot month, with an average temperature varying between 83.7°F (28.7°C) and 65.8°F (18.8°C). In Caseyville, the onset of June comes with a modest high-temperature shift, transitioning from May's moderately hot 75.2°F (24°C) to a still warm 83.7°F (28.7°C). Weather in June »
Weather in July
July in Caseyville, Kentucky, is a hot summer month, with an average temperature fluctuating between 68.4°F (20.2°C) and 86.2°F (30.1°C). 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). July's heat index is computed to be a sweltering 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Caseyville, Kentucky, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 66.2°F (19°C). August reports an average high-temperature of a warm 84.9°F (29.4°C), slightly 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 brings an average high-temperature of a still moderately hot 80.1°F (26.7°C), exhibiting minor difference from the previous month. Weather in September »
Weather in October
October, like September, in Caseyville, Kentucky, is another refreshing autumn month, with an average temperature ranging between min 50.2°F (10.1°C) and max 67.8°F (19.9°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 80.1°F (26.7°C) in September to a comfortable 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 39.7°F (4.3°C) and 54.5°F (12.5°C). With November's onset, the average high-temperature recedes from October's refreshing 67.8°F (19.9°C) to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Caseyville, Kentucky, with an average temperature fluctuating between 33.3°F (0.7°C) and 45.1°F (7.3°C). As December commences, the average high-temperature shows a reduction, transitioning from a cool 54.5°F (12.5°C) in November to a chilly 45.1°F (7.3°C). Weather in December »
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
January, recording an average high temperature of 40.1°F (4.5°C) and a low temperature of 27.5°F (-2.5°C), is Caseyville's coldest month.
How much does it rain?
In Caseyville, during the entire year, the rain falls for 136.4 days and collects up to 20" (508mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 0.79" (20mm) of snow.
How many days does it snow?
Throughout the year, there are 15.2 snowfall days, and 3.03" (77mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.5h of sunshine.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Caseyville, 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 rainiest month?
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?
The most humid month is May, with an average relative humidity of 80%.
When it does not snow?
In Caseyville, snow does not fall in May through October.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What month has the most sunshine in Caseyville?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
What are the warmest months?
In Caseyville, July is known for its average highest temperatures, reaching a high of 86.2°F (30.1°C) and a low of 68.4°F (20.2°C).
What is the driest month in Caseyville?
The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 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?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
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).
Average pressure
Caseyville, KY
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"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).
Average wind speed
Caseyville, KY
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.8mph - Average wind speed in December:
9.1mph
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).
Average humidity
Caseyville, KY
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Caseyville, KY
- Average rainfall in January:
1.46" - Average rainfall in February:
1.89" - Average rainfall in March:
1.81" - Average rainfall in April:
2.2" - Average rainfall in May:
1.93" - Average rainfall in June:
1.93"
- Average rainfall in July:
1.73" - Average rainfall in August:
1.54" - Average rainfall in September:
0.91" - Average rainfall in October:
1.54" - Average rainfall in November:
1.5" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days
Caseyville, KY
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
9.5 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).
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").
Average snowfall days
Caseyville, KY
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.5 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).
Average daylight / Average sunshine
Caseyville, KY
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h 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).
Average sunshine days
Caseyville, KY
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.8 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).
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).
Average cloud cover
Caseyville, KY
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
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).
Caseyville, Kentucky, USA
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