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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, is a freezing cold winter month in Claytonville, Illinois, with an average temperature ranging between min 19°F (-7.2°C) and max 31.1°F (-0.5°C). January is Claytonville's coldest month, registering average high temperatures of 31.1°F (-0.5°C) and lows of 19°F (-7.2°C). Weather in January »
Weather in February
February, the last month of the winter in Claytonville, is an icy month, with an average temperature varying between 35.2°F (1.8°C) and 22.6°F (-5.2°C). February is marked by an average high-temperature of a cold 35.2°F (1.8°C), almost identical to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Claytonville, Illinois, with an average temperature fluctuating between 33.4°F (0.8°C) and 47.8°F (8.8°C). The onset of March brings a temperature shift, with the average high-temperature moving from an icy 35.2°F (1.8°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Claytonville, Illinois, with an average temperature ranging between min 43.9°F (6.6°C) and max 60.1°F (15.6°C). Claytonville's weather in April shows a rise in the average high-temperature, moving up from March's chilly 47.8°F (8.8°C) to a mild 60.1°F (15.6°C). Weather in April »
Weather in May
May, the last month of the spring in Claytonville, is an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 55°F (12.8°C). May brings a temperature change, with average high-temperatures moving from April's moderate 60.1°F (15.6°C) to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Claytonville, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.8°F (17.1°C). In June, the average high-temperature marginally rises from an agreeable 71.4°F (21.9°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Claytonville, Illinois, is another warm summer month, with an average temperature varying between 64.4°F (18°C) and 81°F (27.2°C). In Claytonville, July is identified by the highest average temperatures, reaching a peak of 81°F (27.2°C) and a low of 64.4°F (18°C). July's average heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Claytonville, is another warm month, with an average temperature fluctuating between 62.6°F (17°C) and 79.5°F (26.4°C). Claytonville, Illinois, commences August with an average high-temperature of a still warm 79.5°F (26.4°C), maintaining a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Claytonville, Illinois, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 75.2°F (24°C). September records an average high-temperature of a still moderately hot 75.2°F (24°C), indicating a minor variation from the preceding month. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Claytonville, Illinois, with an average temperature fluctuating between 46.8°F (8.2°C) and 62.4°F (16.9°C). As October arrives, Claytonville's weather displays a decrease in high-temperatures, transitioning from September's warm 75.2°F (24°C) to a refreshing 62.4°F (16.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Claytonville, Illinois, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 47.8°F (8.8°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's comfortable 62.4°F (16.9°C) to a frosty 47.8°F (8.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Claytonville, Illinois, with an average temperature fluctuating between 36.7°F (2.6°C) and 26.4°F (-3.1°C). As November transitions into December, Claytonville sees a drop in the average high-temperature, transitioning from a frosty 47.8°F (8.8°C) to a wintry 36.7°F (2.6°C). Weather in December »
Updated: Feb 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 is the coldest month in Claytonville?
January, noted for its average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 19°F (-7.2°C), is considered the coldest month.
How many days does it rain in Claytonville?
In Claytonville, Illinois, during the entire year, the rain falls for 143.2 days and collects up to 22.24" (565mm) of precipitation.
When does it snow in Claytonville?
January through April, October through December are months with snowfall.
What is the snowiest month in Claytonville?
January is the month with the most snowfall in Claytonville, Illinois. Snow falls for 10.4 days and accumulates 2.91" (74mm) of snow.
How many days does it snow in Claytonville?
In Claytonville, Illinois, during the entire year, snow falls for 32.6 days and aggregates up to 9.69" (246mm) of snow.
What is the month with the least sunshine in Claytonville?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
When is the lowest UV index in Claytonville?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Claytonville, Illinois.
What is the driest month in Claytonville?
The month with the least rainfall in Claytonville, Illinois, is February, when the rain falls for 6.8 days and typically collects 1.14" (29mm) of precipitation.
When is Daylight Saving Time (DST) in Claytonville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Claytonville, Illinois, 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 Claytonville?
May is the month with the most rainfall in Claytonville. Rain falls for 18 days and accumulates 3.07" (78mm) of precipitation.
When it does not snow in Claytonville?
In Claytonville, snow does not fall in May through September.
When are the longest days in Claytonville?
With an average of 15h and 0min of daylight, June has the longest days of the year in Claytonville.
What month has the most sunshine in Claytonville?
With an average of 9.9h of sunshine, June has the most sunshine of the year.
What is the month with the highest UV index in Claytonville?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Claytonville.
What time of the year is the hottest in Claytonville?
The warmest time of the year is July, with temperatures averaging a high of 81°F (27.2°C) and a low of 64.4°F (18°C).
What is the most humid month in Claytonville?
The most humid month is July, with an average relative humidity of 85%.
What is the least humid month in Claytonville?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days in Claytonville?
December has the shortest days of the year in Claytonville, Illinois, with an average of 9h and 18min of daylight.
Average temperature
Claytonville, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Claytonville, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"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:
29.98"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:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Claytonville, IL
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Claytonville, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Claytonville, IL
- Average rainfall in January:
1.22" - Average rainfall in February:
1.14" - Average rainfall in March:
1.85" - Average rainfall in April:
2.6" - Average rainfall in May:
3.07" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.93" - Average rainfall in September:
1.38" - Average rainfall in October:
1.65" - Average rainfall in November:
1.3" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Claytonville, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Claytonville, IL
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Claytonville, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.6 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:
2.2 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Claytonville, 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 3min - 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:
9h and 5min - 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 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Claytonville, IL
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Claytonville, 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
Claytonville, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Claytonville, 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).
Claytonville, Illinois, USA
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