Climate and monthly weather forecastCedarville, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cedarville, Illinois, is a freezing cold winter month, with an average temperature ranging between max 25.2°F (-3.8°C) and min 13.1°F (-10.5°C). In Cedarville, January is the coldest month, with temperatures averaging a high of 25.2°F (-3.8°C) and a low of 13.1°F (-10.5°C). Weather in January »Weather in February
February, the last month of the winter in Cedarville, is also a subzero cold month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 29.5°F (-1.4°C). February's arrival brings an average high-temperature of a still subzero cold 29.5°F (-1.4°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Cedarville, Illinois, with an average temperature fluctuating between 43.9°F (6.6°C) and 28.9°F (-1.7°C). Cedarville's transition into March marks a considerable rise in the average high-temperature, moving up from a subzero cold 29.5°F (-1.4°C) in February to a chilly 43.9°F (6.6°C). Weather in March »Weather in April
April in Cedarville, Illinois, is a refreshing spring month, with an average temperature fluctuating between 55.9°F (13.3°C) and 39.2°F (4°C). With the onset of April, Cedarville's average high-temperature sees a rise, moving from March's frosty 43.9°F (6.6°C) to a mild 55.9°F (13.3°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Cedarville, Illinois, with temperature in the range of an average high of 68°F (20°C) and an average low of 50.9°F (10.5°C). The beginning of May signals a rise in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in April to an agreeable 68°F (20°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Cedarville, Illinois, with an average temperature ranging between max 76.6°F (24.8°C) and min 59.5°F (15.3°C). With the beginning of June, Cedarville's average high-temperature sees a minor increase, transitioning from a pleasant 68°F (20°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, like June, in Cedarville, Illinois, is another warm summer month, with an average temperature varying between 79.7°F (26.5°C) and 62.8°F (17.1°C). The month of July sees the highest average temperatures, reaching 79.7°F (26.5°C) at the peak and 62.8°F (17.1°C) at the low. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Cedarville, Illinois, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 60.8°F (16°C). As August takes its course, Cedarville's average high-temperature registers at a still warm 78.3°F (25.7°C), closely aligning with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Cedarville, Illinois, with an average temperature fluctuating between 72.7°F (22.6°C) and 54°F (12.2°C). The arrival of September signals a subtle shift in temperature, down from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.7°F (22.6°C). Weather in September »Weather in October
October, the same as September, in Cedarville, Illinois, is another mild autumn month, with an average temperature fluctuating between 43°F (6.1°C) and 58.8°F (14.9°C). The onset of October comes with a shift in the average high-temperature, falling from a pleasant 72.7°F (22.6°C) in September to a refreshing 58.8°F (14.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Cedarville, Illinois, with an average temperature ranging between max 43.9°F (6.6°C) and min 30.9°F (-0.6°C). The average high-temperature exhibits a considerable decrease in November, dropping from a moderate 58.8°F (14.9°C) in October to a frosty 43.9°F (6.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Cedarville, Illinois, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 32°F (0°C). The start of December signals a decrease in the average high-temperature, transitioning from a frosty 43.9°F (6.6°C) in November to a wintry 32°F (0°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Cedarville, IL
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure
Cedarville, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Cedarville, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Cedarville, IL
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Cedarville, IL
- Average rainfall in January:
0.91" - Average rainfall in February:
0.87" - Average rainfall in March:
1.06" - Average rainfall in April:
2.17" - Average rainfall in May:
2.6" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.2" - Average rainfall in August:
1.69" - Average rainfall in September:
1.46" - Average rainfall in October:
1.89" - Average rainfall in November:
1.14" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days
Cedarville, IL
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).
Average snowfall
Cedarville, IL
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Cedarville, IL
- Average snowfall days in January:
11.3 days - Average snowfall days in February:
10.7 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
2.1 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:
0.5 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Cedarville, IL
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Cedarville, IL
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index
Cedarville, IL
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Cedarville, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Cedarville, IL
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





