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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 (-6.7°C) and 31.8°F (-0.1°C). The coldest month is January, with an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 19.9°F (-6.7°C). Weather in January »
Weather in February
February, the last month of the winter in Clinton, is a wintry month, with an average temperature varying between 36.9°F (2.7°C) and 23.7°F (-4.6°C). Clinton, Illinois, observes an average high-temperature of an icy 36.9°F (2.7°C) in February, barely different from 31.8°F (-0.1°C) in January. 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 34.9°F (1.6°C) and 49.5°F (9.7°C). The shift into March is accompanied by a temperature increase, with the average high-temperature rising from a wintry 36.9°F (2.7°C) in February to a frosty 49.5°F (9.7°C). Weather in March »
Weather in April
April in Clinton, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 61.5°F (16.4°C) and 45.5°F (7.5°C). Clinton's weather shows a temperature rise with the arrival of April, moving from a chilly 49.5°F (9.7°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Clinton, Illinois, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.1°F (22.3°C). The arrival of May brings a change in Clinton's weather, with average high-temperatures moving from April's enjoyable 61.5°F (16.4°C) to an agreeable 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Clinton, Illinois, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 80.1°F (26.7°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) to a warm 80.1°F (26.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Clinton, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 81.3°F (27.4°C). With its high average temperature of 81.3°F (27.4°C) and a low of 65.1°F (18.4°C), July is regarded as the warmest month. During July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Clinton, is another warm month, with an average temperature fluctuating between 63.5°F (17.5°C) and 81°F (27.2°C). As August takes hold, the average high-temperature is a still warm 81°F (27.2°C), nearly mirroring that of the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Clinton, is still a warm month, with an average temperature varying between 58.3°F (14.6°C) and 76.3°F (24.6°C). September notes an average high-temperature of a still moderately hot 76.3°F (24.6°C), subtly differing from August's 81°F (27.2°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Clinton, Illinois, with an average temperature varying between 47.3°F (8.5°C) and 63.1°F (17.3°C). The decrease of average high-temperatures is mild in October, with a decline from a warm 76.3°F (24.6°C) in September to a comfortable 63.1°F (17.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Clinton, Illinois, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 49.1°F (9.5°C). Arrival of November comes with a reduction in the average high-temperature, falling from an enjoyable 63.1°F (17.3°C) in October to a frosty 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Clinton, Illinois, with an average temperature fluctuating between 37.6°F (3.1°C) and 27.3°F (-2.6°C). Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 49.1°F (9.5°C) in November to a cold 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Clinton?
Clinton experiences its average lowest temperatures in January, reaching a peak of 31.8°F (-0.1°C) and a minimum of 19.9°F (-6.7°C).
How much does it rain in Clinton?
Throughout the year, in Clinton, Illinois, there are 165.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.
When does it snow in Clinton?
Months with snowfall are January through April, October through December.
What is the snowiest month in Clinton?
January is the month with the most snowfall in Clinton, Illinois. Snow falls for 12 days and accumulates 4.49" (114mm) of snow.
How many days does it snow in Clinton?
Throughout the year, in Clinton, there are 36.9 snowfall days, and 14.76" (375mm) of snow is accumulated.
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?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Clinton, Illinois.
When is Daylight Saving Time (DST) in Clinton?
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 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" (111mm) of precipitation.
When it does not snow in Clinton?
May through September are months without snowfall in Clinton, Illinois.
When are the longest days in Clinton?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What month has the most sunshine in Clinton?
June has the most sunshine of the year in Clinton, Illinois, with an average of 10.1h of sunshine.
What is the month with the highest UV index in Clinton?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Clinton.
What month is the hottest in Clinton?
July tends to be the warmest month in Clinton, with temperatures averaging a daily high of 81.3°F (27.4°C) and a low of 65.1°F (18.4°C).
What is the most humid month in Clinton?
With an average relative humidity of 85%, July is the most humid month.
What is the least humid month in Clinton?
With an average relative humidity of 70%, October is the least humid month in Clinton, Illinois.
What is the driest month in Clinton?
December is the month with the least rainfall in Clinton. Rain falls for 9.5 days and accumulates 1.89" (48mm) of precipitation.
What is the month with the shortest days in Clinton?
December has the shortest days of the year, 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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