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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 South Elgin, Illinois, is a freezing cold winter month, with an average temperature varying between 15.4°F (-9.2°C) and 27.3°F (-2.6°C). Temperature readings reach their annual highs in January, averaging 27.3°F (-2.6°C) and a minimum average of 15.4°F (-9.2°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in South Elgin, Illinois, with temperature in the range of an average high of 31.3°F (-0.4°C) and an average low of 18.9°F (-7.3°C). As South Elgin steps into February, the average high-temperature is measured at a still freezing cold 31.3°F (-0.4°C), displaying minor differences from January's 27.3°F (-2.6°C). Weather in February »
Weather in March
March, the first month of the spring in South Elgin, is a frosty month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 44.2°F (6.8°C). March's arrival brings a change in high-temperatures, moving from a subzero cold 31.3°F (-0.4°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a moderate spring month in South Elgin, Illinois, with an average temperature fluctuating between 39.7°F (4.3°C) and 55.4°F (13°C). In April, the average high-temperature increases from a chilly 44.2°F (6.8°C) in March to a moderate 55.4°F (13°C). Weather in April »
Weather in May
May, the last month of the spring in South Elgin, is a comfortable month, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 50.5°F (10.3°C). The onset of May brings a temperature shift, with the average high-temperature moving from 55.4°F (13°C) in April to a still refreshing 67.6°F (19.8°C). Weather in May »
Weather in June
June, the first month of the summer in South Elgin, is a warm month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 59.4°F (15.2°C). With the onset of June, South Elgin's average high-temperature experiences a rise, moving from May's refreshing 67.6°F (19.8°C) to a warm 76.6°F (24.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in South Elgin, Illinois, with an average temperature ranging between max 80.6°F (27°C) and min 63.9°F (17.7°C). With average temperatures fluctuating between a high of 80.6°F (27°C) and a low of 63.9°F (17.7°C), July stands out as the warmest month. July's heat index is calculated to be a tropical 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in South Elgin, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 79°F (26.1°C). South Elgin records a slight change with August's average high-temperatures adjusting to a still warm 79°F (26.1°C) from July's 80.6°F (27°C). Weather in August »
Weather in September
September, the first month of the autumn in South Elgin, is still a pleasant month, with an average temperature fluctuating between 55.9°F (13.3°C) and 73°F (22.8°C). September is characterized by a mild reduction in the average high-temperature, from a warm 79°F (26.1°C) in August to a pleasant 73°F (22.8°C). Weather in September »
Weather in October
October, the same as September, in South Elgin, Illinois, is another mild autumn month, with an average temperature ranging between min 44.2°F (6.8°C) and max 59.9°F (15.5°C). Welcoming October, South Elgin observes a shift in the average high-temperature, falling from September's agreeable 73°F (22.8°C) to a mild 59.9°F (15.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in South Elgin, Illinois, with an average temperature varying between 32.4°F (0.2°C) and 45.1°F (7.3°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's moderate 59.9°F (15.5°C) to a frosty 45.1°F (7.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in South Elgin, Illinois, with an average temperature ranging between max 33.4°F (0.8°C) and min 23.4°F (-4.8°C). The arrival of December corresponds with a temperature reduction, down from November's chilly 45.1°F (7.3°C) to a wintry 33.4°F (0.8°C). Weather in December »
Updated: Aug 30, 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 part of the year is the coldest?
January is the coldest month, with the temperature often reaching an average high of 27.3°F (-2.6°C) and an average low of 15.4°F (-9.2°C).
What is the most humid month?
With an average relative humidity of 84%, January is the most humid month.
How much does it rain in South Elgin?
Throughout the year, there are 149.2 rainfall days, and 24.02" (610mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 12.9 days and accumulates 3.62" (92mm) of snow.
How many days does it snow?
Throughout the year, there are 47.4 snowfall days, and 13.07" (332mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.6h of sunshine.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 rainiest month?
June is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.03" (77mm) of precipitation.
When it does not snow?
In South Elgin, Illinois, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What time of the year is the hottest?
July, on average, is the warmest month, registering a high temperature of 80.6°F (27°C) and a low of 63.9°F (17.7°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 9.8h of sunshine.
What is the month with the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the least humid month?
October is the least humid month, with an average relative humidity of 75%.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 8.1 days and typically collects 1.1" (28mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
South Elgin, IL
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.3°F).
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure
South Elgin, 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
South Elgin, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.7mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
South Elgin, IL
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall
South Elgin, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.34" - Average rainfall in March:
1.38" - Average rainfall in April:
2.8" - Average rainfall in May:
2.95" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.68" - Average rainfall in September:
1.69" - Average rainfall in October:
2.01" - Average rainfall in November:
1.14" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days
South Elgin, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
17 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
South Elgin, IL
- Average snowfall in January:
3.62" - Average snowfall in February:
3.11" - Average snowfall in March:
1.22" - Average snowfall in April:
1.89" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
South Elgin, IL
- Average snowfall days in January:
12.9 days - Average snowfall days in February:
11 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.1 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:
3.5 days - Average snowfall days in December:
10.5 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
South Elgin, 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:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
South Elgin, IL
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
12 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
10.2 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
14.7 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
South Elgin, IL
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
South Elgin, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
South Elgin, IL
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
South Elgin, Illinois, USA
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