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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 Coalton, Illinois, is an icy winter month, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 22.6°F (-5.2°C). January tends to be the coldest month, with temperatures averaging a daily high of 34.7°F (1.5°C) and a low of 22.6°F (-5.2°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Coalton, Illinois, with an average temperature ranging between max 39.7°F (4.3°C) and min 26.4°F (-3.1°C). The arrival of February marks a slight shift to an average high-temperature of a still wintry 39.7°F (4.3°C) from January's 34.7°F (1.5°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Coalton, Illinois, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 36.3°F (2.4°C). With the onset of March, Coalton sees a temperature rise, with the average high-temperature moving from February's icy 39.7°F (4.3°C) to a fresh 51.8°F (11°C). Weather in March »
Weather in April
April is an enjoyable spring month in Coalton, Illinois, with an average temperature ranging between min 46.6°F (8.1°C) and max 63.3°F (17.4°C). April's arrival sees a rise in the average high-temperature, jumping from March's cool 51.8°F (11°C) to a comfortable 63.3°F (17.4°C). Weather in April »
Weather in May
May, the last month of the spring in Coalton, is a pleasant month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 73.2°F (22.9°C). May brings a temperature increase, with average high-temperatures moving from April's refreshing 63.3°F (17.4°C) to a pleasant 73.2°F (22.9°C). Weather in May »
Weather in June
June, the first month of the summer in Coalton, is a moderately hot month, with an average temperature ranging between min 65.1°F (18.4°C) and max 81.7°F (27.6°C). With the beginning of June, Coalton's average high-temperature sees a minor increase, transitioning from an agreeable 73.2°F (22.9°C) in May to a warm 81.7°F (27.6°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Coalton, Illinois, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 66.7°F (19.3°C). Coalton records the warmest temperatures in July, averaging a high of 83.5°F (28.6°C) and a low of 66.7°F (19.3°C). For July, the heat index is evaluated at a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Coalton, Illinois, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 82°F (27.8°C). Coalton's weather in August indicates an average high-temperature of a still moderately hot 82°F (27.8°C), nearly consistent with the 83.5°F (28.6°C) of July. Weather in August »
Weather in September
September, the first month of the autumn in Coalton, is also a moderately hot month, with an average temperature varying between 59°F (15°C) and 77.7°F (25.4°C). The onset of September notes an average high-temperature of a still moderately hot 77.7°F (25.4°C), subtly shifted from August's 82°F (27.8°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Coalton, Illinois, with an average temperature varying between 48.2°F (9°C) and 64.8°F (18.2°C). The shift from September to October involves a decrease in the average high-temperature, from a warm 77.7°F (25.4°C) to a comfortable 64.8°F (18.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Coalton, Illinois, with an average temperature fluctuating between 36.7°F (2.6°C) and 51.3°F (10.7°C). As November commences, the average high-temperature shows a reduction, transitioning from a refreshing 64.8°F (18.2°C) in October to a fresh 51.3°F (10.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Coalton, Illinois, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 40.1°F (4.5°C). Coalton's transition into December involves a shift in temperature, receding from a fresh 51.3°F (10.7°C) in November to an icy 40.1°F (4.5°C). Weather in December »
Updated: Jun 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 is the coldest month?
Coalton reaches its average lowest temperatures in January, measuring 34.7°F (1.5°C) at the peak and 22.6°F (-5.2°C) at the lowest.
How many days does it rain?
Throughout the year, in Coalton, there are 145.5 rainfall days, and 27.44" (697mm) of precipitation is accumulated.
When does it snow?
Months with snowfall in Coalton are January through April, November and December.
How many days does it snow?
Throughout the year, there are 23.9 snowfall days, and 8.58" (218mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.4h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
February is the month with the least rainfall in Coalton. Rain falls for 7.4 days and accumulates 1.5" (38mm) of precipitation.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 6.8 days and accumulates 2.64" (67mm) 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.
When it does not snow?
May through October are months without snowfall.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 15.6 days and accumulates 3.5" (89mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.5h of sunshine.
When is the highest UV index?
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 Coalton?
Coalton reaches its average highest temperatures in July, measuring 83.5°F (28.6°C) at the peak and 66.7°F (19.3°C) at the lowest.
What is the most humid month?
July is the most humid month, with an average relative humidity of 82%.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Coalton, IL
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
Coalton, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"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:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Coalton, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Coalton, IL
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Coalton, IL
- Average rainfall in January:
1.73" - Average rainfall in February:
1.5" - Average rainfall in March:
2.13" - Average rainfall in April:
3.15" - Average rainfall in May:
3.03" - Average rainfall in June:
3.5"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.68" - Average rainfall in September:
1.77" - Average rainfall in October:
2.13" - Average rainfall in November:
1.65" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days
Coalton, IL
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
15.4 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
9 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).
Average snowfall
Coalton, IL
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Coalton, IL
- Average snowfall days in January:
7.4 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Coalton, IL
- Average daylight in January:
9h and 5min - 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:
14h and 5min
- 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 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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 24min).
Average sunshine days
Coalton, IL
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index
Coalton, 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
Coalton, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).
Average visibility
Coalton, IL
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Coalton, Illinois, USA
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