Climate and monthly weather forecastCalumet City, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Calumet City, Illinois, is a freezing cold winter month, with an average temperature varying between 29.8°F (-1.2°C) and 19.6°F (-6.9°C). The coldest temperatures occur during January, when averages reach a peak of 29.8°F (-1.2°C) and a low of 19.6°F (-6.9°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Calumet City, Illinois, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 22.5°F (-5.3°C). Calumet City indicates an average high-temperature of an icy 32.9°F (0.5°C) in February, showing minor variation from January's 29.8°F (-1.2°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Calumet City, Illinois, with an average temperature ranging between min 32.5°F (0.3°C) and max 44.2°F (6.8°C). As February transitions into March, Calumet City sees a rise in the average high-temperature, moving from an icy 32.9°F (0.5°C) to a frosty 44.2°F (6.8°C). Weather in March »Weather in April
April is a cool spring month in Calumet City, Illinois, with an average temperature ranging between min 41.4°F (5.2°C) and max 54.9°F (12.7°C). The onset of April brings a rise in the average high-temperature, elevating from a chilly 44.2°F (6.8°C) in March to a fresh 54.9°F (12.7°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Calumet City, Illinois, with an average temperature varying between 65.7°F (18.7°C) and 51.8°F (11°C). Calumet City in May shows a temperature shift, moving from an average high of a fresh 54.9°F (12.7°C) in April to an enjoyable 65.7°F (18.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Calumet City, Illinois, with an average temperature fluctuating between 75.7°F (24.3°C) and 61.2°F (16.2°C). June's arrival coincides with a temperature rise, moving from May's enjoyable 65.7°F (18.7°C) to a moderately hot 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Calumet City, Illinois, with an average temperature fluctuating between 80.1°F (26.7°C) and 66.9°F (19.4°C). July, characterized by an average high temperature of 80.1°F (26.7°C) and a low temperature of 66.9°F (19.4°C), is generally the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Calumet City, Illinois, with an average temperature varying between 66°F (18.9°C) and 79.3°F (26.3°C). The advent of August sees the average high-temperature at a still moderately hot 79.3°F (26.3°C), subtly shifted from July's 80.1°F (26.7°C). Weather in August »Weather in September
September, the first month of the autumn in Calumet City, is still a warm month, with an average temperature ranging between max 73.8°F (23.2°C) and min 59.2°F (15.1°C). September brings a minor shift in the average high-temperature, adjusting from 79.3°F (26.3°C) in August to a still warm 73.8°F (23.2°C). Weather in September »Weather in October
October, the same as September, in Calumet City, Illinois, is a moderate autumn month, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 47.7°F (8.7°C). As Calumet City enters October, the average high-temperature decreases from the a moderately hot 73.8°F (23.2°C) of September to a moderate 60.3°F (15.7°C). Weather in October »Weather in November
November, the last month of the autumn in Calumet City, is another chilly month, with an average temperature ranging between max 46.8°F (8.2°C) and min 35.2°F (1.8°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's refreshing 60.3°F (15.7°C) to a frosty 46.8°F (8.2°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Calumet City, Illinois, with an average temperature varying between 35.8°F (2.1°C) and 26.8°F (-2.9°C). With December's arrival, Calumet City's weather changes as the average high-temperature falls from a chilly 46.8°F (8.2°C) in November to a wintry 35.8°F (2.1°C). Weather in December »Updated: Aug 2, 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
The coldest temperatures occur during January, when averages reach a peak of 29.8°F (-1.2°C) and a low of 19.6°F (-6.9°C).
January and February, with an average relative humidity of 82%, are most humid months.
Throughout the year, there are 110.3 rainfall days, and 10.31" (262mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 1.1" (28mm) of snow.
In Calumet City, Illinois, during the entire year, snow falls for 34.1 days and aggregates up to 4.13" (105mm) of snow.
With an average of 3.6h of sunshine, January has the least sunshine of the year.
February and December are months with the least rain when the rain falls for 4.1 days and typically aggregates up to 0.47" (12mm) of rain.
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.
The months with the most rainfall are May and June, with an average 1.38" (35mm) of precipitation.
In Calumet City, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July tends to be the warmest month, with temperatures averaging a daily high of 80.1°F (26.7°C) and a low of 66.9°F (19.4°C).
The month with the most sunshine is August, with an average of 10.4h of sunshine.
With an average relative humidity of 72%, October is the least humid month.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Calumet City, IL
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure
Calumet City, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Calumet City, IL
- Average wind speed in January:
11mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
8mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Calumet City, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Calumet City, IL
- Average rainfall in January:
0.51" - Average rainfall in February:
0.47" - Average rainfall in March:
0.51" - Average rainfall in April:
1.1" - Average rainfall in May:
1.38" - Average rainfall in June:
1.38"
- Average rainfall in July:
1.18" - Average rainfall in August:
0.98" - Average rainfall in September:
0.91" - Average rainfall in October:
0.87" - Average rainfall in November:
0.55" - Average rainfall in December:
0.47"
The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days
Calumet City, IL
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
12.9 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
11 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
9 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
4.2 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).
Average snowfall
Calumet City, IL
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Calumet City, IL
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
1.4 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:
2.9 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Calumet City, IL
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Calumet City, IL
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index
Calumet City, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Calumet City, IL
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Calumet City, 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).
