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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, like December, in Kaskaskia, Illinois, is another cold winter month, with an average temperature varying between 25.7°F (-3.5°C) and 39.6°F (4.2°C). In Kaskaskia, January is the month with the lowest recorded average temperatures, measuring a high of 39.6°F (4.2°C) and a low of 25.7°F (-3.5°C). Weather in January »
Weather in February
February, the last month of the winter in Kaskaskia, is a chilly month, with an average temperature ranging between max 43.7°F (6.5°C) and min 29.1°F (-1.6°C). With the start of February, Kaskaskia measures an average high-temperature of a frosty 43.7°F (6.5°C), not significantly differing from January's 39.6°F (4.2°C). Weather in February »
Weather in March
March, the first month of the spring in Kaskaskia, is a moderate month, with an average temperature ranging between min 38.8°F (3.8°C) and max 55.4°F (13°C). Kaskaskia's weather in March presents a rise in the average high-temperature, moving from a chilly 43.7°F (6.5°C) in February to a mild 55.4°F (13°C). Weather in March »
Weather in April
April is a comfortable spring month in Kaskaskia, Illinois, with an average temperature fluctuating between 48°F (8.9°C) and 66.4°F (19.1°C). April's arrival is marked by an increase in the average high-temperature, moving from a moderate 55.4°F (13°C) in March to a comfortable 66.4°F (19.1°C). Weather in April »
Weather in May
May, the last month of the spring in Kaskaskia, is a moderately hot month, with an average temperature fluctuating between 57.9°F (14.4°C) and 75.7°F (24.3°C). May brings a rise in the average high-temperature, transitioning from April's enjoyable 66.4°F (19.1°C) to a warm 75.7°F (24.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Kaskaskia, Illinois, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 85.1°F (29.5°C). June's arrival signals a temperature shift, moving from a moderately hot 75.7°F (24.3°C) in May to a still warm 85.1°F (29.5°C). Weather in June »
Weather in July
July in Kaskaskia, Illinois, is a hot summer month, with an average temperature ranging between max 87.4°F (30.8°C) and min 68.5°F (20.3°C). July, marked by an average high-temperature of 87.4°F (30.8°C) and a low-temperature of 68.5°F (20.3°C), is the warmest month. Throughout July, the heat index is appraised at a very hot 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Kaskaskia, is also a moderately hot month, with an average temperature ranging between max 85.8°F (29.9°C) and min 66.2°F (19°C). August ushers in an average high-temperature of a moderately hot 85.8°F (29.9°C), aligning closely with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Kaskaskia, Illinois, with an average temperature fluctuating between 60.1°F (15.6°C) and 79.9°F (26.6°C). September is marked by a subtle drop in average high-temperatures, transitioning from 85.8°F (29.9°C) in August to a still moderately hot 79.9°F (26.6°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Kaskaskia, Illinois, with an average temperature fluctuating between 49.1°F (9.5°C) and 67.1°F (19.5°C). In October, the average high-temperature goes from a warm 79.9°F (26.6°C) in September to an enjoyable 67.1°F (19.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Kaskaskia, Illinois, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 38.7°F (3.7°C). The transition into November involves a decrease in the average high-temperature, falling from a refreshing 67.1°F (19.5°C) in October to a fresh 53.8°F (12.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Kaskaskia, Illinois, with an average temperature ranging between max 43.7°F (6.5°C) and min 31.1°F (-0.5°C). The onset of December comes with a shift in the average high-temperature, falling from a fresh 53.8°F (12.1°C) in November to a frosty 43.7°F (6.5°C). Weather in December »
Updated: Jul 14, 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 39.6°F (4.2°C) and a low temperature of 25.7°F (-3.5°C), is Kaskaskia's coldest month.
How much does it rain?
Throughout the year, there are 156.4 rainfall days, and 34.25" (870mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 16 snowfall days, and 6.89" (175mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.7h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
What is the snowiest month in Kaskaskia?
February is the month with the most snowfall. Snow falls for 5.2 days and accumulates 2.56" (65mm) of snow.
When is Daylight Saving Time (DST)?
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?
April is the month with the most rainfall. Rain falls for 15.6 days and accumulates 4.13" (105mm) of precipitation.
What is the most humid month?
With an average relative humidity of 79%, May is the most humid month.
When it does not snow?
In Kaskaskia, snow does not fall in May through September.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
The months with the most sunshine are June and July, with an average of 10.5h of sunshine.
What is the hottest time of year?
July, with its high-temperature average of 87.4°F (30.8°C) and a low-temperature average of 68.5°F (20.3°C), is the warmest month.
What is the driest month?
September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.97" (50mm) of precipitation.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Kaskaskia, IL
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°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 (25.7°F).
Average pressure
Kaskaskia, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"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 (29.93"Hg).
Average wind speed
Kaskaskia, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9.1mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Kaskaskia, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Kaskaskia, IL
- Average rainfall in January:
2.13" - Average rainfall in February:
2.01" - Average rainfall in March:
2.95" - Average rainfall in April:
4.13" - Average rainfall in May:
3.86" - Average rainfall in June:
3.27"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.19" - Average rainfall in September:
1.97" - Average rainfall in October:
2.87" - Average rainfall in November:
2.28" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days
Kaskaskia, IL
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
15.1 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
13 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
Kaskaskia, IL
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Kaskaskia, IL
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
1.3 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:
1.3 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Kaskaskia, IL
- 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 5min
- 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 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Kaskaskia, IL
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index
Kaskaskia, IL
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
Kaskaskia, IL
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Kaskaskia, IL
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).
Kaskaskia, Illinois, USA
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