Climate and monthly weather forecastNorth Chicago, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in North Chicago, Illinois, with temperature in the range of an average low of 17.2°F (-8.2°C) and an average high of 27.9°F (-2.3°C). North Chicago's January weather, marked by an average high temperature of 27.9°F (-2.3°C) and an average low temperature of 17.2°F (-8.2°C), is the coldest in the year. Weather in January »Weather in February
February, the last month of the winter in North Chicago, is also a subzero cold month, with an average temperature fluctuating between 31.3°F (-0.4°C) and 19.8°F (-6.8°C). North Chicago, Illinois, experiences a transition to a still freezing cold 31.3°F (-0.4°C) in average high-temperatures with the arrival of February, not greatly differing from January's 27.9°F (-2.3°C). Weather in February »Weather in March
March, the first month of the spring in North Chicago, is an icy month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 30.4°F (-0.9°C). North Chicago's transition into March brings a rise in the average high-temperature, moving from a freezing cold 31.3°F (-0.4°C) in February to a wintry 42.1°F (5.6°C). Weather in March »Weather in April
April is a fresh spring month in North Chicago, Illinois, with an average temperature ranging between max 53.1°F (11.7°C) and min 39.2°F (4°C). The onset of April brings a temperature shift, with the average high-temperature moving from a wintry 42.1°F (5.6°C) in March to a fresh 53.1°F (11.7°C). Weather in April »Weather in May
May, the last month of the spring in North Chicago, is a comfortable month, with an average temperature ranging between max 64.8°F (18.2°C) and min 49.6°F (9.8°C). May's onset is marked by a temperature increase, moving from a cool 53.1°F (11.7°C) in April to a comfortable 64.8°F (18.2°C). Weather in May »Weather in June
June, the first month of the summer in North Chicago, is a warm month, with an average temperature ranging between max 74.1°F (23.4°C) and min 59°F (15°C). North Chicago's June weather shows an increase in high-temperatures, moving from May's enjoyable 64.8°F (18.2°C) to a warm 74.1°F (23.4°C). Weather in June »Weather in July
July, like June, in North Chicago, Illinois, is another warm summer month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 65.1°F (18.4°C). With average temperatures fluctuating between a high of 79.3°F (26.3°C) and a low of 65.1°F (18.4°C), July stands out as the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another warm month in North Chicago, Illinois, with an average temperature varying between 64.4°F (18°C) and 78.6°F (25.9°C). The high-temperature average in August for North Chicago, Illinois, is a still warm 78.6°F (25.9°C), staying closely aligned with July's conditions. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in North Chicago, Illinois, with an average temperature ranging between max 72°F (22.2°C) and min 57.7°F (14.3°C). As September arrives, North Chicago's weather displays a minor decrease in high-temperatures, transitioning from August's warm 78.6°F (25.9°C) to an agreeable 72°F (22.2°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in North Chicago, Illinois, with an average temperature fluctuating between 46°F (7.8°C) and 59°F (15°C). North Chicago's October weather comes with a decrease in average high-temperatures, moving from a pleasant 72°F (22.2°C) in September to a mild 59°F (15°C). Weather in October »Weather in November
November, the last month of the autumn in North Chicago, is another chilly month, with an average temperature varying between 45.3°F (7.4°C) and 34°F (1.1°C). The shift from October to November involves a decrease in the average high-temperature, from a moderate 59°F (15°C) to a frosty 45.3°F (7.4°C). Weather in November »Weather in December
December, the first month of the winter in North Chicago, is still a cold month, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 24.3°F (-4.3°C). The onset of December comes with a shift in the average high-temperature, falling from a frosty 45.3°F (7.4°C) in November to a wintry 34°F (1.1°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
January, with its high-temperature average of 27.9°F (-2.3°C) and a low-temperature average of 17.2°F (-8.2°C), is the coldest month in North Chicago, Illinois.
The most humid month in North Chicago is January, with an average relative humidity of 83%.
Throughout the year, there are 142.1 rainfall days, and 20.67" (525mm) of precipitation is accumulated.
Months with snowfall in North Chicago, Illinois, are January through May, October through December.
The month with the most snowfall in North Chicago, Illinois, is January, when snow falls for 13.2 days and typically aggregates up to 3.07" (78mm) of snow.
Throughout the year, in North Chicago, there are 46.3 snowfall days, and 11.02" (280mm) of snow is accumulated.
The months with the least sunshine in North Chicago are January and February, with an average of 3.8h of sunshine.
The months with the lowest UV index in North Chicago, Illinois, are January and December, with an average maximum UV index of 1.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in North Chicago, 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 June, when the rain falls for 15.4 days and typically aggregates up to 2.56" (65mm) of precipitation.
In North Chicago, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 12min of daylight.
North Chicago's temperature records reveal July as the warmest month, marked by average highs of 79.3°F (26.3°C) and lows of 65.1°F (18.4°C).
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.
The months with the highest UV index are July and August, with an average maximum UV index of 6.
October is the least humid month in North Chicago, with an average relative humidity of 74%.
December is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.87" (22mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
North Chicago, IL
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure
North Chicago, IL
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
North Chicago, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - 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:
7.5mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
North Chicago, IL
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
North Chicago, IL
- Average rainfall in January:
1.1" - Average rainfall in February:
1.1" - Average rainfall in March:
1.14" - Average rainfall in April:
2.44" - Average rainfall in May:
2.4" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.52" - Average rainfall in September:
1.54" - Average rainfall in October:
1.77" - Average rainfall in November:
0.98" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days
North Chicago, IL
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
10 days - Average rainfall days in April:
15 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall
North Chicago, IL
- Average snowfall in January:
3.07" - Average snowfall in February:
2.99" - Average snowfall in March:
0.87" - Average snowfall in April:
1.34" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
North Chicago, IL
- Average snowfall days in January:
13.2 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6.5 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:
0.5 days - Average snowfall days in November:
3.8 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
North Chicago, IL
- Average daylight in January:
9h and 30min - 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 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days
North Chicago, IL
- Average sunshine days in January:
14 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
17 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
North Chicago, IL
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
North Chicago, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
North Chicago, 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).
