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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 Northlake, Illinois, with an average temperature fluctuating between 28.8°F (-1.8°C) and 18°F (-7.8°C). January brings the lowest temperatures, with an average high of 28.8°F (-1.8°C) and an average low of 18°F (-7.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Northlake, Illinois, with an average temperature varying between 32.4°F (0.2°C) and 20.7°F (-6.3°C). Entering February, Northlake's average high-temperature reads a wintry 32.4°F (0.2°C), indicating a close resemblance to the previous month's climate. Weather in February »
Weather in March
March, the first month of the spring in Northlake, is a chilly month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 31.5°F (-0.3°C). Northlake's weather in March shows a rise in the average high-temperature, moving up from February's cold 32.4°F (0.2°C) to a frosty 44.2°F (6.8°C). Weather in March »
Weather in April
April in Northlake, Illinois, is a fresh spring month, with an average temperature ranging between min 40.6°F (4.8°C) and max 55.2°F (12.9°C). The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 44.2°F (6.8°C) in March to a cool 55.2°F (12.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Northlake, Illinois, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 67.3°F (19.6°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 55.2°F (12.9°C) to a comfortable 67.3°F (19.6°C). Weather in May »
Weather in June
June, the first month of the summer in Northlake, is a moderately hot month, with an average temperature fluctuating between 76.8°F (24.9°C) and 61.2°F (16.2°C). As Northlake transitions into June, a rise in the average high-temperature is observed, moving from an enjoyable 67.3°F (19.6°C) in May to a warm 76.8°F (24.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Northlake, Illinois, with an average temperature fluctuating between 66.6°F (19.2°C) and 81.9°F (27.7°C). Northlake witnesses the warmest weather in July, with temperatures averaging a high of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C). The heat index for July is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Northlake, Illinois, with an average temperature varying between 65.7°F (18.7°C) and 80.2°F (26.8°C). As Northlake welcomes August, the average high-temperature records at a still moderately hot 80.2°F (26.8°C), marking an insignificant deviation from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Northlake, is still a warm month, with an average temperature ranging between min 58.6°F (14.8°C) and max 73.4°F (23°C). September is characterized by a mild reduction in the average high-temperature, from 80.2°F (26.8°C) in August to a still warm 73.4°F (23°C). Weather in September »
Weather in October
October, the same as September, in Northlake, Illinois, is another mild autumn month, with an average temperature ranging between min 46.6°F (8.1°C) and max 60.4°F (15.8°C). With October's arrival, Northlake sees a decrease in average high-temperatures, moving from a moderately hot 73.4°F (23°C) in September to a moderate 60.4°F (15.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Northlake, Illinois, with an average temperature fluctuating between 45.9°F (7.7°C) and 33.6°F (0.9°C). The shift from October to November sees a distinct decrease in the average high-temperature, dropping from a mild 60.4°F (15.8°C) to a chilly 45.9°F (7.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Northlake, Illinois, with an average temperature varying between 25.2°F (-3.8°C) and 34.7°F (1.5°C). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in November to an icy 34.7°F (1.5°C). Weather in December »
Updated: Aug 1, 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?
Northlake's January weather, marked by an average high temperature of 28.8°F (-1.8°C) and an average low temperature of 18°F (-7.8°C), is the coldest in the year.
What is the most humid month?
January and February, with an average relative humidity of 82%, are most humid months.
How much does it rain?
In Northlake, during the entire year, the rain falls for 149.4 days and collects up to 25.08" (637mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall in Northlake.
How many days does it snow?
In Northlake, during the entire year, snow falls for 45.8 days and aggregates up to 14.25" (362mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.7h of sunshine.
When is the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 10.9 days and typically aggregates up to 3.86" (98mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Northlake, 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?
May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.11" (79mm) of precipitation.
When it does not snow?
In Northlake, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year in Northlake, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in Northlake are June through August, with an average maximum UV index of 6.
What is the warmest month?
In Northlake, July registers the highest temperatures, averaging 81.9°F (27.7°C) at the peak and 66.6°F (19.2°C) at the lowest.
What is the month with the most sunshine in Northlake?
July and August, with an average of 10.1h of sunshine, are months with the most sunshine.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the driest month?
December is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.14" (29mm) 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
Northlake, 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 (28.8°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°F).
Average pressure
Northlake, 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
Northlake, 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:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - 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
Northlake, 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
Northlake, IL
- Average rainfall in January:
1.34" - Average rainfall in February:
1.42" - Average rainfall in March:
1.46" - Average rainfall in April:
2.76" - Average rainfall in May:
3.11" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.83" - Average rainfall in September:
1.89" - Average rainfall in October:
2.17" - Average rainfall in November:
1.26" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days
Northlake, IL
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
7.9 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall
Northlake, IL
- Average snowfall in January:
3.62" - Average snowfall in February:
3.86" - Average snowfall in March:
1.18" - Average snowfall in April:
2.01" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Northlake, IL
- Average snowfall days in January:
12.4 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
6.3 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:
3.5 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Northlake, 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 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - 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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Northlake, IL
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
13 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index
Northlake, 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
Northlake, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Northlake, 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).
Northlake, Illinois, USA
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