Climate and monthly weather forecast
Northlake, IL

Share

Weather in January

January, like December, is another subzero cold winter month in Northlake, Illinois, with an average temperature ranging between min 18°F (-7.8°C) and max 28.8°F (-1.8°C). With average high and low temperatures of 28.8°F (-1.8°C) and 18°F (-7.8°C) respectively, January is Northlake's coldest month. Weather in January »

Weather in February

February, the last month of the winter in Northlake, is a cold month, with an average temperature fluctuating between 32.4°F (0.2°C) and 20.7°F (-6.3°C). The advent of February observes an average high-temperature of an icy 32.4°F (0.2°C), nearly identical to January's 28.8°F (-1.8°C). Weather in February »

Weather in March

March, the first month of the spring in Northlake, is a frosty month, with an average temperature fluctuating between 44.2°F (6.8°C) and 31.5°F (-0.3°C). In March, the average high-temperature increases from a cold 32.4°F (0.2°C) in February to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April is a cool spring month in Northlake, Illinois, with an average temperature fluctuating between 40.6°F (4.8°C) and 55.2°F (12.9°C). April's arrival is marked by an increase in the average high-temperature, moving from a chilly 44.2°F (6.8°C) in March to a fresh 55.2°F (12.9°C). Weather in April »

Weather in May

May, the last month of the spring in Northlake, is an enjoyable month, 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). Northlake's May weather brings a rise in high-temperatures, moving from a fresh 55.2°F (12.9°C) in April 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 warm month, with an average temperature varying between 76.8°F (24.9°C) and 61.2°F (16.2°C). With the onset of June, Northlake's average high-temperature experiences a rise, moving from May's enjoyable 67.3°F (19.6°C) 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 varying between 81.9°F (27.7°C) and 66.6°F (19.2°C). July, characterized by an average high temperature of 81.9°F (27.7°C) and a low temperature of 66.6°F (19.2°C), is generally the warmest month. The average heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Northlake, is another warm month, with an average temperature fluctuating between 65.7°F (18.7°C) and 80.2°F (26.8°C). The start of August sees the average high-temperature at a still moderately hot 80.2°F (26.8°C), showing little difference from July's 81.9°F (27.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Northlake, Illinois, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 58.6°F (14.8°C). The average high-temperature slightly decreases in September, shifting from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, in Northlake, Illinois, is another refreshing autumn month, with an average temperature ranging between max 60.4°F (15.8°C) and min 46.6°F (8.1°C). The transition into October indicates a reduction in the average high-temperature, down to a moderate 60.4°F (15.8°C) from September's warm 73.4°F (23°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 ranging between max 45.9°F (7.7°C) and min 33.6°F (0.9°C). The arrival of November signals a clear decrease in the average high-temperature, falling from a refreshing 60.4°F (15.8°C) in October to a frosty 45.9°F (7.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Northlake, Illinois, with an average temperature ranging between max 34.7°F (1.5°C) and min 25.2°F (-3.8°C). With December's arrival, Northlake sees a decrease in average high-temperatures, moving from a chilly 45.9°F (7.7°C) in November to a wintry 34.7°F (1.5°C). Weather in December »
[Resources]

Frequently asked questions

What time of the year is the coldest in Northlake?

The coldest time of the year is January, with temperatures averaging a high of 28.8°F (-1.8°C) and a low of 18°F (-7.8°C).

What are the most humid months in Northlake?

January and February, with an average relative humidity of 82%, are most humid months.

How many days does it rain in Northlake?

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 in Northlake?

Months with snowfall in Northlake are January through May, October through December.

How many days does it snow in Northlake?

Throughout the year, in Northlake, Illinois, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.

What is the month with the least sunshine in Northlake?

The month with the least sunshine in Northlake is January, with an average of 3.7h of sunshine.

When is the lowest UV index in Northlake?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Northlake.

When does it snow the most in Northlake?

The month with the most snowfall in Northlake, Illinois, 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) in Northlake?

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 wettest month in Northlake?

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?

June through September are months without snowfall.

When are the longest days in Northlake?

With an average of 15h and 12min of daylight, June has the longest days of the year in Northlake, Illinois.

When is the highest UV index in Northlake?

The months with the highest UV index in Northlake are June through August, with an average maximum UV index of 6.

What are the warmest months in Northlake?

Northlake notes the warmest temperatures in July, with a average high of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C).

What are the months with the most sunshine in Northlake?

The months with the most sunshine in Northlake, Illinois, are July and August, with an average of 10.1h of sunshine.

What is the least humid month in Northlake?

With an average relative humidity of 72%, October is the least humid month in Northlake.

What is the driest month in Northlake?

December is the month with the least rainfall in Northlake. Rain falls for 7.9 days and accumulates 1.14" (29mm) of precipitation.

What is the month with the shortest days in Northlake?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Northlake, Illinois.

Average temperature
Northlake, IL

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).

[Resources]

Average pressure
Northlake, IL

Average pressure - Northlake, IL

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed
Northlake, IL

Average wind speed - Northlake, IL

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).

[Resources]

Average humidity
Northlake, IL

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%).

[Resources]

Average rainfall
Northlake, IL

Average rainfall - Northlake, IL

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").

[Resources]

Average rainfall days
Northlake, IL

Average rainfall days - Northlake, IL

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).

[Resources]

Average snowfall
Northlake, IL

Average snowfall - Northlake, IL

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Northlake, IL

Average snowfall days - Northlake, IL

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).

[Resources]

Average daylight / Average sunshine
Northlake, IL

Average daylight / Average sunshine - Northlake, IL

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).

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).

[Resources]

Average sunshine days
Northlake, IL

Average sunshine days - Northlake, IL

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).

[Resources]

Average UV index
Northlake, IL

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).

[Resources]

Average visibility
Northlake, IL

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).

[Resources]

Northlake, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location