Climate and monthly weather forecastLisle, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Lisle, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 28.8°F (-1.8°C). The month of January, characterized by an average high of 28.8°F (-1.8°C) and a low of 17.1°F (-8.3°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Lisle, Illinois, with an average temperature varying between 19.9°F (-6.7°C) and 32.5°F (0.3°C). Lisle's weather in February indicates an average high-temperature of an icy 32.5°F (0.3°C), nearly consistent with the 28.8°F (-1.8°C) of January. Weather in February »Weather in March
March, the first month of the spring in Lisle, is a frosty month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 31.5°F (-0.3°C). A shift in the average high-temperature is noticeable in March, changing from a wintry 32.5°F (0.3°C) in February to a chilly 45.1°F (7.3°C). Weather in March »Weather in April
April in Lisle, Illinois, is a moderate spring month, with an average temperature fluctuating between 40.6°F (4.8°C) and 56.8°F (13.8°C). April's onset brings a rise in the average high-temperature, moving from a chilly 45.1°F (7.3°C) in March to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Lisle, Illinois, with an average temperature fluctuating between 52°F (11.1°C) and 69.1°F (20.6°C). With the onset of May, Lisle experiences a temperature shift, with the average high-temperature moving from a refreshing 56.8°F (13.8°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Lisle, Illinois, with an average temperature fluctuating between 78.4°F (25.8°C) and 61.5°F (16.4°C). With the transition into June, Lisle experiences an increase in average high-temperatures, moving up from a pleasant 69.1°F (20.6°C) in May to a moderately hot 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Lisle, Illinois, is a moderately hot summer month, with an average temperature varying between 65.7°F (18.7°C) and 82°F (27.8°C). With average temperatures fluctuating between a high of 82°F (27.8°C) and a low of 65.7°F (18.7°C), July stands out as the warmest month. In July, the average heat index is estimated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Lisle, Illinois, with an average temperature ranging between min 64°F (17.8°C) and max 80.4°F (26.9°C). Stepping into August, Lisle records an average high-temperature of a still moderately hot 80.4°F (26.9°C), almost consistent with July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Lisle, Illinois, with an average temperature ranging between max 74.1°F (23.4°C) and min 57.6°F (14.2°C). September brings a minor shift in the average high-temperature, adjusting from 80.4°F (26.9°C) in August to a still warm 74.1°F (23.4°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Lisle, Illinois, with an average temperature fluctuating between 45.5°F (7.5°C) and 60.6°F (15.9°C). The average high-temperature drops in October, from September's moderately hot 74.1°F (23.4°C) to a mild 60.6°F (15.9°C). Weather in October »Weather in November
November, the last month of the autumn in Lisle, is also a frosty month, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 45.7°F (7.6°C). November's arrival witnesses a distinct temperature drop, receding from October's refreshing 60.6°F (15.9°C) to a chilly 45.7°F (7.6°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Lisle, Illinois, with an average temperature fluctuating between 24.6°F (-4.1°C) and 34.5°F (1.4°C). A subtle decrease in the average high-temperature marks December, falling from November's frosty 45.7°F (7.6°C) to a wintry 34.5°F (1.4°C). Weather in December »Updated: Jul 27, 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
During the coldest month in Lisle, January, temperatures average a high of 28.8°F (-1.8°C) and a low of 17.1°F (-8.3°C).
In Lisle, during the entire year, the rain falls for 147.7 days and collects up to 23.43" (595mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 12.2 days and accumulates 3.23" (82mm) of snow.
In Lisle, during the entire year, snow falls for 44.8 days and aggregates up to 12.32" (313mm) of snow.
January has the least sunshine of the year, with an average of 3.7h of sunshine.
The month with the lowest UV index is January, with an average maximum UV index of 1.
With an average relative humidity of 83%, February is the most humid month.
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 month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 2.83" (72mm) of precipitation.
In Lisle, snow does not fall in June through September.
With an average of 15h and 12min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
The month of July, characterized by an average high of 82°F (27.8°C) and a low of 65.7°F (18.7°C), is recognized as the warmest.
With an average of 10h of sunshine, August has the most sunshine of the year.
October is the least humid month, with an average relative humidity of 73%.
December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Lisle, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Lisle, 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:
30.01"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
Lisle, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Lisle, IL
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Lisle, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.26" - Average rainfall in March:
1.34" - Average rainfall in April:
2.56" - Average rainfall in May:
2.83" - Average rainfall in June:
2.72"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days
Lisle, IL
- Average rainfall days in January:
6 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.4 days).
Average snowfall
Lisle, IL
- Average snowfall in January:
3.23" - Average snowfall in February:
3.11" - Average snowfall in March:
1.1" - Average snowfall in April:
1.81" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Lisle, IL
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
6 days - Average snowfall days in April:
2.3 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:
0.4 days - Average snowfall days in November:
3.4 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lisle, 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 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 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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 42min - 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 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Lisle, IL
- Average sunshine days in January:
14.6 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.8 days).
Average UV index
Lisle, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Lisle, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Lisle, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
