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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, in Clinton, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 19.9°F and 31.8°F. January stands out as Clinton's coldest month, with an average high-temperature of 31.8°F and a low-temperature of 19.9°F. Weather in January »
Weather in February
February, the last month of the winter in Clinton, is an icy month, with an average temperature varying between 23.7°F and 36.9°F. As Clinton, Illinois, steps into February, the average high-temperature is measured at a cold 36.9°F, displaying minor differences from January's 31.8°F. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Clinton, Illinois, with an average temperature fluctuating between 49.5°F and 34.9°F. An upsurge in temperatures occurs as February gives way to March, with average highs shifting from an icy 36.9°F to a frosty 49.5°F. Weather in March »
Weather in April
April in Clinton, Illinois, is a refreshing spring month, with an average temperature ranging between max 61.5°F and min 45.5°F. April's onset brings a temperature rise, moving from a chilly 49.5°F in March to a refreshing 61.5°F. Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Clinton, Illinois, with an average temperature ranging between min 55.9°F and max 72.1°F. With the beginning of May, Clinton's average high-temperature sees an increase, transitioning from an enjoyable 61.5°F in April to an agreeable 72.1°F. Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Clinton, Illinois, with temperature in the range of an average low of 63.9°F and an average high of 80.1°F. Clinton's transition into June is noticed by a slight rise in the average high-temperature, advancing from an agreeable 72.1°F in May to a moderately hot 80.1°F. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Clinton, Illinois, with an average temperature ranging between min 65.1°F and max 81.3°F. July brings the highest temperatures, with an average high of 81.3°F and an average low of 65.1°F. The heat index in July is computed to be a tropical 87.8°F. Weather in July »
Weather in August
August, the last month of the summer in Clinton, is also a moderately hot month, with temperature in the range of an average high of 81°F and an average low of 63.5°F. Clinton experiences an average high-temperature of a still moderately hot 81°F in August, subtly different from July's 81.3°F. Weather in August »
Weather in September
September, the first month of the autumn in Clinton, is still a warm month, with an average temperature ranging between max 76.3°F and min 58.3°F. The advent of September observes an average high-temperature of a still warm 76.3°F, nearly identical to August's 81°F. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Clinton, Illinois, with an average temperature ranging between max 63.1°F and min 47.3°F. In Clinton, the average high-temperature in October drops from a warm 76.3°F in September to an enjoyable 63.1°F. Weather in October »
Weather in November
November, the last month of the autumn in Clinton, is also a frosty month, with an average temperature ranging between max 49.1°F and min 35.4°F. The onset of November coincides with a reduction in the average high-temperature, falling from a comfortable 63.1°F in October to a frosty 49.1°F. Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Clinton, Illinois, with an average temperature ranging between max 37.6°F and min 27.3°F. With December's arrival, Clinton's weather changes as the average high-temperature falls from a chilly 49.1°F in November to a wintry 37.6°F. Weather in December »
[Resources]FAQ
What month is the coldest in Clinton?
In Clinton, January registers the lowest temperatures, averaging 31.8°F at the peak and 19.9°F at the lowest.
How many days does it rain in Clinton?
Throughout the year, in Clinton, there are 165.4 rainfall days, and 33.78" of precipitation is accumulated.
When does it snow in Clinton?
Months with snowfall in Clinton are January through April, October through December.
When does it snow the most in Clinton?
January is the month with the most snowfall in Clinton. Snow falls for 12 days and accumulates 4.49" of snow.
How many days does it snow in Clinton?
In Clinton, during the entire year, snow falls for 36.9 days and aggregates up to 14.76" of snow.
What is the month with the least sunshine in Clinton?
January has the least sunshine of the year in Clinton, with an average of 3.9h of sunshine.
What is the month with the lowest UV index in Clinton?
The months with the lowest UV index in Clinton are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Clinton?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Clinton, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Clinton?
The month with the most rainfall is May, when the rain falls for 20.2 days and typically aggregates up to 4.37" of precipitation.
When it does not snow in Clinton?
In Clinton, Illinois, snow does not fall in May through September.
When are the longest days in Clinton?
The month with the longest days in Clinton is June, with an average of 15h and 0min of daylight.
What month has the most sunshine in Clinton?
June has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the month with the highest UV index in Clinton?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Clinton?
July, with an average high of 81.3°F and a low of 65.1°F, signifies the warmest month of the year.
What is the most humid month in Clinton?
The most humid month in Clinton is July, with an average relative humidity of 85%.
What is the least humid month in Clinton?
The least humid month is October, with an average relative humidity of 70%.
What is the driest month in Clinton?
The month with the least rainfall in Clinton is December, when the rain falls for 9.5 days and typically collects 1.89" of precipitation.
What is the month with the shortest days in Clinton?
The month with the shortest days in Clinton, Illinois, is December, with an average of 9h and 24min of daylight.
Average temperature
Clinton, IL
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure
Clinton, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Clinton, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Clinton, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Clinton, IL
- Average rainfall in January:
2.13" - Average rainfall in February:
2.01" - Average rainfall in March:
2.64" - Average rainfall in April:
3.7" - Average rainfall in May:
4.37" - Average rainfall in June:
3.86"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.95" - Average rainfall in September:
2.24" - Average rainfall in October:
2.76" - Average rainfall in November:
2.17" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is December (1.89").
Average rainfall days
Clinton, IL
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
14 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
20.2 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
12 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
9.5 days
The months with the highest number of rainy days are May and July (20.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Clinton, IL
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Clinton, IL
- Average snowfall days in January:
12 days - Average snowfall days in February:
9 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
1.2 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:
0.3 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Clinton, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - 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 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Clinton, IL
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
7.3 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index
Clinton, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Clinton, IL
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Clinton, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Clinton, Illinois, USA
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