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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, the same as December, in Wheeling, Illinois, is a freezing cold winter month, with an average temperature varying between 28°F (-2.2°C) and 17.6°F (-8°C). Temperature readings reach their annual highs in January, averaging 28°F (-2.2°C) and a minimum average of 17.6°F (-8°C). Weather in January »
Weather in February
February, the last month of the winter in Wheeling, is another freezing cold month, with an average temperature varying between 31.5°F (-0.3°C) and 20.1°F (-6.6°C). Wheeling's shift from January to February is accompanied by an average high-temperature of a still subzero cold 31.5°F (-0.3°C), a slight deviation from 28°F (-2.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Wheeling, Illinois, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 30.6°F (-0.8°C). An escalation in the average high-temperature is seen with the onset of March, moving from a subzero cold 31.5°F (-0.3°C) in February to a frosty 43.3°F (6.3°C). Weather in March »
Weather in April
April is a fresh spring month in Wheeling, Illinois, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 39.4°F (4.1°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a frosty 43.3°F (6.3°C) to a fresh 54.1°F (12.3°C). Weather in April »
Weather in May
May, the last month of the spring in Wheeling, is a refreshing month, with an average temperature ranging between min 50.5°F (10.3°C) and max 65.8°F (18.8°C). As April gives way to May, the average high-temperature displays an increase, moving from a fresh 54.1°F (12.3°C) to a comfortable 65.8°F (18.8°C). Weather in May »
Weather in June
June, the first month of the summer in Wheeling, is a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 59.9°F (15.5°C). June's arrival coincides with a temperature rise, moving from May's enjoyable 65.8°F (18.8°C) to a warm 75.7°F (24.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Wheeling, Illinois, with an average temperature varying between 81°F (27.2°C) and 65.8°F (18.8°C). Wheeling's temperatures peak on average in July, reaching 81°F (27.2°C) at their highest and 65.8°F (18.8°C) at their lowest. In July, the heat index is appraised at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Wheeling, Illinois, with an average temperature fluctuating between 79.7°F (26.5°C) and 64.9°F (18.3°C). The advent of August observes an average high-temperature of a still moderately hot 79.7°F (26.5°C), nearly identical to July's 81°F (27.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Wheeling, is still a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 58.1°F (14.5°C). The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 79.7°F (26.5°C) to a pleasant 73°F (22.8°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Wheeling, Illinois, with an average temperature varying between 46.2°F (7.9°C) and 59.7°F (15.4°C). October comes with a decrease in the average high-temperature, falling from an agreeable 73°F (22.8°C) in September to a refreshing 59.7°F (15.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Wheeling, Illinois, with an average temperature ranging between min 33.6°F (0.9°C) and max 45.5°F (7.5°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's refreshing 59.7°F (15.4°C) to a chilly 45.5°F (7.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Wheeling, Illinois, with an average temperature varying between 34.5°F (1.4°C) and 24.8°F (-4°C). December weather is marked by a drop in the average high-temperature, falling from a chilly 45.5°F (7.5°C) in November to a cold 34.5°F (1.4°C). Weather in December »
Updated: Aug 31, 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 time of the year is the coldest?
January is Wheeling's coldest month, registering average high temperatures of 28°F (-2.2°C) and lows of 17.6°F (-8°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 83%.
How much does it rain?
Throughout the year, there are 154.2 rainfall days, and 28.94" (735mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall in Wheeling is January, when snow falls for 12.5 days and typically aggregates up to 4.8" (122mm) of snow.
How many days does it snow?
In Wheeling, during the entire year, snow falls for 45.4 days and aggregates up to 16.85" (428mm) of snow.
What is the month with the least sunshine?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
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.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 17.6 days and accumulates 3.66" (93mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Wheeling.
What is the hottest time of year?
July, characterized by an average high temperature of 81°F (27.2°C) and a low temperature of 65.8°F (18.8°C), is generally the warmest month.
What month has the most sunshine?
August has the most sunshine of the year in Wheeling, with an average of 10.3h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 73%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.34" (34mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Wheeling, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure
Wheeling, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"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:
29.92"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"Hg - Average pressure in November:
30.09"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
Wheeling, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Wheeling, IL
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Wheeling, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
1.77" - Average rainfall in April:
3.35" - Average rainfall in May:
3.66" - Average rainfall in June:
3.54"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.8" - Average rainfall in September:
2.24" - Average rainfall in October:
2.56" - Average rainfall in November:
1.54" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days
Wheeling, IL
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.4 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Wheeling, IL
- Average snowfall in January:
4.8" - Average snowfall in February:
4.45" - Average snowfall in March:
1.22" - Average snowfall in April:
1.89" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Wheeling, IL
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
6.2 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.1 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:
4 days - Average snowfall days in December:
9.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Wheeling, IL
- Average daylight in January:
9h and 3min - 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Wheeling, IL
- Average sunshine days in January:
13.5 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
14 days - Average sunshine days in November:
15.7 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index
Wheeling, 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
Wheeling, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Wheeling, 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).
Wheeling, Illinois, USA
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