Climate and monthly weather forecastCalhoun, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Calhoun, Illinois, with an average temperature ranging between max 36.7°F (2.6°C) and min 24.3°F (-4.3°C). In Calhoun, the month of January registers the lowest temperatures, averaging 36.7°F (2.6°C) at the peak and 24.3°F (-4.3°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Calhoun, Illinois, with an average temperature ranging between max 41.7°F (5.4°C) and min 28.2°F (-2.1°C). The arrival of February is marked by an average high-temperature of a still wintry 41.7°F (5.4°C), bearing a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Calhoun, Illinois, with an average temperature fluctuating between 37.8°F (3.2°C) and 53.1°F (11.7°C). March's arrival brings a change in high-temperatures, moving from an icy 41.7°F (5.4°C) in February to a cool 53.1°F (11.7°C). Weather in March »Weather in April
April in Calhoun, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 47.7°F (8.7°C) and 64.2°F (17.9°C). Noticing a change, the average high-temperature during April moves from March's cool 53.1°F (11.7°C) to a refreshing 64.2°F (17.9°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Calhoun, Illinois, with an average temperature fluctuating between 73.9°F (23.3°C) and 57.9°F (14.4°C). Calhoun's May weather brings a rise in high-temperatures, moving from an enjoyable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in Calhoun, is still a warm month, with an average temperature ranging between min 65.7°F (18.7°C) and max 82.2°F (27.9°C). June brings a slight increase in the average high-temperature, progressing from a warm 73.9°F (23.3°C) in May to a still moderately hot 82.2°F (27.9°C). Weather in June »Weather in July
July, like June, in Calhoun, Illinois, is another warm summer month, with an average temperature fluctuating between 67.5°F (19.7°C) and 84.2°F (29°C). In Calhoun, the peak average temperatures are observed in July, with a high of 84.2°F (29°C) and a low of 67.5°F (19.7°C). In July, the heat index is calculated to be a torrid 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Calhoun, Illinois, with an average temperature varying between 65.7°F (18.7°C) and 82.8°F (28.2°C). The commencement of August introduces an average high-temperature of a still moderately hot 82.8°F (28.2°C), closely mirroring the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Calhoun, Illinois, with an average temperature ranging between max 78.1°F (25.6°C) and min 59.9°F (15.5°C). In September, the average high-temperature registers at a still warm 78.1°F (25.6°C), nearly identical to August's 82.8°F (28.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Calhoun, Illinois, with an average temperature varying between 65.8°F (18.8°C) and 49.3°F (9.6°C). Welcoming October, Calhoun observes a shift in the average high-temperature, falling from September's warm 78.1°F (25.6°C) to an enjoyable 65.8°F (18.8°C). Weather in October »Weather in November
November, the last month of the autumn in Calhoun, is another cool month, with an average temperature ranging between max 52°F (11.1°C) and min 37.9°F (3.3°C). November's onset brings a slight change in high-temperatures, falling from a comfortable 65.8°F (18.8°C) in October to a cool 52°F (11.1°C). Weather in November »Weather in December
December, the first month of the winter in Calhoun, is still a cold month, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 30.9°F (-0.6°C). A shift in the average high-temperature occurs in December, reducing from a fresh 52°F (11.1°C) in November to a cold 41.5°F (5.3°C). Weather in December »Updated: Jul 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
Calhoun reaches its average lowest temperatures in January, measuring 36.7°F (2.6°C) at the peak and 24.3°F (-4.3°C) at the lowest.
Throughout the year, there are 152.3 rainfall days, and 27.99" (711mm) of precipitation is accumulated.
Months with snowfall in Calhoun are January through April, November and December.
The month with the most snowfall is January, when snow falls for 5.9 days and typically aggregates up to 1.54" (39mm) of snow.
In Calhoun, during the entire year, snow falls for 20.3 days and aggregates up to 5.47" (139mm) of snow.
January has the least sunshine of the year, with an average of 4.4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Calhoun, 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.
The month with the most rainfall is April, when the rain falls for 15.1 days and typically aggregates up to 4.09" (104mm) of precipitation.
In Calhoun, snow does not fall in May through October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 48min of daylight.
June has the most sunshine of the year, with an average of 10.6h of sunshine.
July, with its high-temperature average of 84.2°F (29°C) and a low-temperature average of 67.5°F (19.7°C), is the warmest month in Calhoun.
July is the most humid month, with an average relative humidity of 81%.
The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.54" (39mm) of precipitation.
The least humid month is October, with an average relative humidity of 70%.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Calhoun.
Average temperature
Calhoun, IL
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Calhoun, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"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:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Calhoun, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity
Calhoun, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Calhoun, IL
- Average rainfall in January:
1.93" - Average rainfall in February:
1.57" - Average rainfall in March:
2.32" - Average rainfall in April:
4.09" - Average rainfall in May:
2.99" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.6" - Average rainfall in August:
2.13" - Average rainfall in September:
1.54" - Average rainfall in October:
2.13" - Average rainfall in November:
1.89" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Calhoun, IL
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall
Calhoun, IL
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Calhoun, IL
- Average snowfall days in January:
5.9 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 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:
0.2 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Calhoun, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Calhoun, IL
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
14 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index
Calhoun, IL
The months with the highest UV index are May, 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
Calhoun, IL
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Calhoun, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
