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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, like December, is another subzero cold winter month in La Grange, Illinois, with an average temperature varying between 18.3°F (-7.6°C) and 28.9°F (-1.7°C). La Grange's coldest month, January, generally records average temperatures ranging from a high of 28.9°F (-1.7°C) to a low of 18.3°F (-7.6°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in La Grange, Illinois, with an average temperature fluctuating between 20.8°F (-6.2°C) and 32.5°F (0.3°C). The average high-temperature is a wintry 32.5°F (0.3°C) in February, hardly different from the 28.9°F (-1.7°C) recorded in January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in La Grange, Illinois, with an average temperature ranging between min 32°F (0°C) and max 45.1°F (7.3°C). La Grange's weather shows a temperature rise with the arrival of March, moving from a cold 32.5°F (0.3°C) in February to a chilly 45.1°F (7.3°C). Weather in March »
Weather in April
April is a refreshing spring month in La Grange, Illinois, with an average temperature fluctuating between 40.8°F (4.9°C) and 55.9°F (13.3°C). As La Grange transitions into April, the average high-temperature is observed to rise from a chilly 45.1°F (7.3°C) in March to a refreshing 55.9°F (13.3°C). Weather in April »
Weather in May
May, the last month of the spring in La Grange, is an enjoyable month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 67.6°F (19.8°C). May's arrival brings a change in high-temperatures, moving from a moderate 55.9°F (13.3°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »
Weather in June
June, the first month of the summer in La Grange, is a moderately hot month, with an average temperature varying between 61.7°F (16.5°C) and 77.4°F (25.2°C). June brings a rise in La Grange's average high-temperature, moving from an enjoyable 67.6°F (19.8°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »
Weather in July
July, like June, in La Grange, Illinois, is another warm summer month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 66.6°F (19.2°C). La Grange experiences its highest temperatures in July, with an average peak of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C). For July, the heat index is appraised at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in La Grange, is another warm month, with an average temperature ranging between min 65.3°F (18.5°C) and max 80.6°F (27°C). August denotes a minimal variation in the average high-temperature to a still moderately hot 80.6°F (27°C) from July's 81.9°F (27.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in La Grange, Illinois, with an average temperature fluctuating between 74.1°F (23.4°C) and 58.6°F (14.8°C). The advent of September brings a slight shift in average high-temperature, moving from 80.6°F (27°C) in August to a still warm 74.1°F (23.4°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in La Grange, Illinois, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 46.9°F (8.3°C). La Grange observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 74.1°F (23.4°C) to an enjoyable 60.8°F (16°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in La Grange, Illinois, with an average temperature varying between 33.8°F (1°C) and 46.2°F (7.9°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's comfortable 60.8°F (16°C) to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
December, the first month of the winter in La Grange, is also a wintry month, with an average temperature ranging between min 25.5°F (-3.6°C) and max 35.2°F (1.8°C). The beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 46.2°F (7.9°C) in November to a cold 35.2°F (1.8°C). Weather in December »
Updated: Feb 12, 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 are the coldest months in La Grange?
January is the coldest month of the year, registering average temperatures as high as 28.9°F (-1.7°C) and as low as 18.3°F (-7.6°C).
What is the most humid month in La Grange?
January and February, with an average relative humidity of 82%, are most humid months.
How many days does it rain in La Grange?
In La Grange, during the entire year, the rain falls for 166.8 days and collects up to 34.96" (888mm) of precipitation.
When does it snow in La Grange?
Months with snowfall in La Grange are January through April, October through December.
How many days does it snow in La Grange?
Throughout the year, in La Grange, there are 47.1 snowfall days, and 19.02" (483mm) of snow is accumulated.
What is the month with the least sunshine in La Grange?
January has the least sunshine of the year, with an average of 3.7h of sunshine.
What is the snowiest month in La Grange?
February is the month with the most snowfall in La Grange. Snow falls for 11.8 days and accumulates 5.28" (134mm) of snow.
When is Daylight Saving Time (DST) in La Grange?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in La Grange, Illinois, 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 in La Grange?
May is the month with the most rainfall in La Grange. Rain falls for 19.2 days and accumulates 4.61" (117mm) of precipitation.
When it does not snow in La Grange?
May through September are months without snowfall.
When are the longest days in La Grange?
The month with the longest days in La Grange, Illinois, is June, with an average of 15h and 12min of daylight.
What are the warmest months in La Grange?
July registers as the month with the average highest temperatures, reaching 81.9°F (27.7°C) at its peak and 66.6°F (19.2°C) at the lowest.
What is the month with the highest UV index in La Grange?
July and August, with an average maximum UV index of 6, are months with the highest UV index.
What month has the most sunshine in La Grange?
The month with the most sunshine in La Grange, Illinois, is August, with an average of 10.3h of sunshine.
What is the least humid month in La Grange?
The least humid month in La Grange is October, with an average relative humidity of 72%.
What is the driest month in La Grange?
November and December are months with the least rain in La Grange when the rain falls for 10.5 days and typically aggregates up to 1.77" (45mm) of rain.
What is the month with the shortest days in La Grange?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
When is the lowest UV index in La Grange?
December is the month with the lowest UV index in La Grange, Illinois, with an average maximum UV index of 1.
Average temperature
La Grange, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
La Grange, 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
La Grange, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
La Grange, 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
La Grange, IL
- Average rainfall in January:
1.89" - Average rainfall in February:
1.81" - Average rainfall in March:
2.09" - Average rainfall in April:
3.66" - Average rainfall in May:
4.61" - Average rainfall in June:
4.41"
- Average rainfall in July:
3.86" - Average rainfall in August:
3.46" - Average rainfall in September:
2.68" - Average rainfall in October:
2.95" - Average rainfall in November:
1.77" - Average rainfall in December:
1.77"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days
La Grange, IL
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
19.2 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
15 days - Average rainfall days in October:
14.3 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
La Grange, IL
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
La Grange, IL
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
1.8 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:
3.6 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
La Grange, IL
- Average daylight in January:
9h and 4min - 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 1min - 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 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
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
La Grange, IL
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
11.6 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
8.2 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
9.5 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
14 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index
La Grange, IL
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
La Grange, 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
La Grange, 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).
La Grange, Illinois, USA
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