Climate and monthly weather forecast
Morton Grove, IL

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Weather in January

January, like December, is another subzero cold winter month in Morton Grove, Illinois, with an average temperature fluctuating between 19.8°F (-6.8°C) and 28.9°F (-1.7°C). Morton Grove, Illinois, experiences its lowest temperatures in January, with an average peak of 28.9°F (-1.7°C) and a low of 19.8°F (-6.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Morton Grove, Illinois, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 31.8°F (-0.1°C). As January transitions into February, the average high-temperature rests at a still subzero cold 31.8°F (-0.1°C), maintaining a close resemblance to the previous month. Weather in February »

Weather in March

March, the first month of the spring in Morton Grove, is a wintry month, with an average temperature varying between 41.4°F (5.2°C) and 32°F (0°C). In Morton Grove, the average high-temperature in March rises, from a freezing cold 31.8°F (-0.1°C) in February, to a wintry 41.4°F (5.2°C). Weather in March »

Weather in April

April in Morton Grove, Illinois, is a fresh spring month, with an average temperature varying between 39.9°F (4.4°C) and 50.5°F (10.3°C). As Morton Grove enters April, the average high-temperature increases from the an icy 41.4°F (5.2°C) of March to a cool 50.5°F (10.3°C). Weather in April »

Weather in May

May, the last month of the spring in Morton Grove, is a comfortable month, with an average temperature ranging between max 61.2°F (16.2°C) and min 49.8°F (9.9°C). Morton Grove in May experiences an increase in the average high-temperature, moving from April's cool 50.5°F (10.3°C) to a comfortable 61.2°F (16.2°C). Weather in May »

Weather in June

June, the first month of the summer in Morton Grove, is a pleasant month, with an average temperature fluctuating between 60.3°F (15.7°C) and 70.9°F (21.6°C). As June arrives, a rise in the average high-temperature is observed, moving from a refreshing 61.2°F (16.2°C) in May to a pleasant 70.9°F (21.6°C). Weather in June »

Weather in July

July in Morton Grove, Illinois, is a warm summer month, with an average temperature fluctuating between 67.6°F (19.8°C) and 77.9°F (25.5°C). During the warmest month, July, temperatures average a high of 77.9°F (25.5°C) and a low of 67.6°F (19.8°C). Weather in July »

Weather in August

August, the last month of the summer in Morton Grove, is also a moderately hot month, with an average temperature ranging between min 67.6°F (19.8°C) and max 77.7°F (25.4°C). August's presence records an average high-temperature of a still warm 77.7°F (25.4°C), closely mirroring July's climate. Weather in August »

Weather in September

September, the first month of the autumn in Morton Grove, is still a pleasant month, with an average temperature fluctuating between 71.4°F (21.9°C) and 60.8°F (16°C). Morton Grove's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 77.7°F (25.4°C) in August to an agreeable 71.4°F (21.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Morton Grove, Illinois, with an average temperature varying between 58.8°F (14.9°C) and 48.7°F (9.3°C). The shift from September to October involves a decrease in the average high-temperature, dropping from an agreeable 71.4°F (21.9°C) to a mild 58.8°F (14.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Morton Grove, is also a frosty month, with an average temperature fluctuating between 36.5°F (2.5°C) and 45.7°F (7.6°C). Morton Grove observes a minor decrease in the average high-temperature with the arrival of November, falling from October's refreshing 58.8°F (14.9°C) to a chilly 45.7°F (7.6°C). Weather in November »

Weather in December

December, the first month of the winter in Morton Grove, is also a wintry month, with an average temperature fluctuating between 35.1°F (1.7°C) and 27.1°F (-2.7°C). As December arrives, Morton Grove's weather displays a decrease in high-temperatures, transitioning from November's frosty 45.7°F (7.6°C) to an icy 35.1°F (1.7°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Morton Grove?

The coldest time of the year is January, with temperatures averaging a high of 28.9°F (-1.7°C) and a low of 19.8°F (-6.8°C).

What is the most humid month in Morton Grove?

The most humid month in Morton Grove, Illinois, is January, with an average relative humidity of 82%.

How much does it rain in Morton Grove?

In Morton Grove, during the entire year, the rain falls for 146.5 days and collects up to 26.22" (666mm) of precipitation.

When does it snow in Morton Grove?

January through April, October through December are months with snowfall in Morton Grove.

What is the snowiest month in Morton Grove?

The month with the most snowfall in Morton Grove, Illinois, is January, when snow falls for 11.7 days and typically aggregates up to 2.56" (65mm) of snow.

How much does it snow in Morton Grove?

Throughout the year, in Morton Grove, there are 41.4 snowfall days, and 9.65" (245mm) of snow is accumulated.

What is the month with the least sunshine in Morton Grove?

The month with the least sunshine in Morton Grove, Illinois, is January, with an average of 3.6h of sunshine.

When is the lowest UV index in Morton Grove?

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

When is Daylight Saving Time (DST) in Morton Grove?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Morton Grove, 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.

When it does not snow in Morton Grove?

May through September are months without snowfall.

What is the rainiest month in Morton Grove?

The month with the most rainfall in Morton Grove is June, when the rain falls for 15.8 days and typically aggregates up to 3.5" (89mm) of precipitation.

When are the longest days in Morton Grove?

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

What is the month with the highest UV index in Morton Grove?

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

What month is the hottest in Morton Grove?

The warmest temperatures in Morton Grove occur during July, when averages reach a peak of 77.9°F (25.5°C) and a low of 67.6°F (19.8°C).

What are the months with the most sunshine in Morton Grove?

The months with the most sunshine in Morton Grove, Illinois, are July and August, with an average of 10.5h of sunshine.

What is the least humid month in Morton Grove?

October is the least humid month in Morton Grove, Illinois, with an average relative humidity of 72%.

What is the driest month in Morton Grove?

The month with the least rainfall in Morton Grove, Illinois, is December, when the rain falls for 6.8 days and typically collects 0.94" (24mm) of precipitation.

What is the month with the shortest days in Morton Grove?

December has the shortest days of the year in Morton Grove, with an average of 9h and 12min of daylight.

Average temperature
Morton Grove, IL

Average temperature - Morton Grove, IL

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (28.9°F).

The months with the highest average low temperature are July and August (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure
Morton Grove, IL

Average pressure - Morton Grove, IL

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
Morton Grove, IL

Average wind speed - Morton Grove, IL

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.7mph).

Average humidity
Morton Grove, IL

Average humidity - Morton Grove, IL

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Morton Grove, IL

Average rainfall - Morton Grove, IL

The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is December (0.94").

Average rainfall days
Morton Grove, IL

Average rainfall days - Morton Grove, IL

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (5.4 days).

Average snowfall
Morton Grove, IL

Average snowfall - Morton Grove, IL

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Morton Grove, IL

Average snowfall days - Morton Grove, IL

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Morton Grove, IL

Average daylight / Average sunshine - Morton Grove, 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 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days
Morton Grove, IL

Average sunshine days - Morton Grove, IL

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (10.8 days).

Average UV index
Morton Grove, IL

Average UV index - Morton Grove, 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 visibility
Morton Grove, IL

Average visibility - Morton Grove, 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).

Morton Grove, Illinois, USA

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