Climate and monthly weather forecastLa Grange Park, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in La Grange Park, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 29.1°F (-1.6°C) and an average low of 19.2°F (-7.1°C). January, characterized by an average high temperature of 29.1°F (-1.6°C) and a low temperature of 19.2°F (-7.1°C), is generally the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a cold month in La Grange Park, Illinois, with an average temperature ranging between max 32.4°F (0.2°C) and min 21.6°F (-5.8°C). La Grange Park marks the arrival of February with an average high-temperature of a wintry 32.4°F (0.2°C), hardly different from January's 29.1°F (-1.6°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in La Grange Park, Illinois, with an average temperature fluctuating between 43.7°F (6.5°C) and 32.2°F (0.1°C). An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a wintry 32.4°F (0.2°C) to a chilly 43.7°F (6.5°C). Weather in March »Weather in April
April is a fresh spring month in La Grange Park, Illinois, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 40.8°F (4.9°C). As April arrives, La Grange Park's weather shows an increase in high-temperatures, moving from March's frosty 43.7°F (6.5°C) to a cool 53.8°F (12.1°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in La Grange Park, Illinois, with an average temperature fluctuating between 51.4°F (10.8°C) and 64.9°F (18.3°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a cool 53.8°F (12.1°C) in April to a refreshing 64.9°F (18.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in La Grange Park, Illinois, with an average temperature ranging between max 75°F (23.9°C) and min 61.3°F (16.3°C). In La Grange Park, stepping into June brings a temperature increase, moving up from May's enjoyable 64.9°F (18.3°C) to a moderately hot 75°F (23.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in La Grange Park, Illinois, with an average temperature fluctuating between 80.4°F (26.9°C) and 67.1°F (19.5°C). July proves to be the warmest month, recording an average peak temperature of 80.4°F (26.9°C) and a minimum temperature of 67.1°F (19.5°C). Weather in July »Weather in August
August, the last month of the summer in La Grange Park, is another warm month, with an average temperature varying between 79.3°F (26.3°C) and 66.7°F (19.3°C). The arrival of August brings an average high-temperature of a still warm 79.3°F (26.3°C), closely following the temperature pattern of July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in La Grange Park, Illinois, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 59.5°F (15.3°C). A subtle shift in La Grange Park's weather is observed as August turns into September, with the average high temperature reducing from a warm 79.3°F (26.3°C) to a pleasant 72.9°F (22.7°C). Weather in September »Weather in October
October, the same as September, in La Grange Park, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 59.9°F (15.5°C). October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 72.9°F (22.7°C) to a moderate 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 La Grange Park, Illinois, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 35.4°F (1.9°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a refreshing 59.9°F (15.5°C) to a frosty 46°F (7.8°C). Weather in November »Weather in December
December, the first month of the winter in La Grange Park, is also a wintry month, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 35.1°F (1.7°C). In December, the average high-temperature goes from a frosty 46°F (7.8°C) in November to a cold 35.1°F (1.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
La Grange Park, IL
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure
La Grange Park, 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:
30.09"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
La Grange Park, IL
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.6mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.8mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.9mph - 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 (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
La Grange Park, 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 Park, IL
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.39" - Average rainfall in April:
0.75" - Average rainfall in May:
1.1" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.91" - Average rainfall in August:
0.63" - Average rainfall in September:
0.51" - Average rainfall in October:
0.67" - Average rainfall in November:
0.39" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days
La Grange Park, IL
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
10.5 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
11.7 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
9.5 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
6.7 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall
La Grange Park, IL
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
La Grange Park, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 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:
0.1 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
La Grange Park, 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 48min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
La Grange Park, IL
- Average sunshine days in January:
22.1 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
15.4 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
19.9 days - Average sunshine days in October:
22.4 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index
La Grange Park, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
La Grange Park, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
La Grange Park, 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).





