Climate and monthly weather forecast
Glencoe, IL

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Weather in January

January, like December, is another subzero cold winter month in Glencoe, Illinois, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 28.8°F (-1.8°C). Glencoe's coldest month, January, registers temperatures that range from a high of 28.8°F (-1.8°C) to a low of 18.9°F (-7.3°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Glencoe, Illinois, with an average temperature varying between 21.6°F (-5.8°C) and 31.8°F (-0.1°C). Glencoe's February showcases an average high-temperature of a still subzero cold 31.8°F (-0.1°C), hardly distinct from January's 28.8°F (-1.8°C). Weather in February »

Weather in March

March, the first month of the spring in Glencoe, is an icy month, with an average temperature ranging between max 42.3°F (5.7°C) and min 31.5°F (-0.3°C). The shift into March is marked by a rise in the average high-temperature, moving from February's freezing cold 31.8°F (-0.1°C) to an icy 42.3°F (5.7°C). Weather in March »

Weather in April

April in Glencoe, Illinois, is a cool spring month, with an average temperature varying between 52°F (11.1°C) and 39.7°F (4.3°C). April signals a shift in the average high-temperature, moving from March's cold 42.3°F (5.7°C) to a fresh 52°F (11.1°C). Weather in April »

Weather in May

May, the last month of the spring in Glencoe, is an enjoyable month, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 50.4°F (10.2°C). Glencoe experiences a temperature shift with the start of May, with average high-temperatures moving from a fresh 52°F (11.1°C) in April to an enjoyable 62.8°F (17.1°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Glencoe, Illinois, with an average temperature varying between 60.1°F (15.6°C) and 72.5°F (22.5°C). June's arrival brings a change in high-temperatures, moving from a refreshing 62.8°F (17.1°C) in May to a pleasant 72.5°F (22.5°C). Weather in June »

Weather in July

July is a warm summer month in Glencoe, Illinois, with an average temperature ranging between min 67.1°F (19.5°C) and max 79.2°F (26.2°C). In Glencoe, the average temperatures in July are the highest, with a peak at 79.2°F (26.2°C) and a low of 67.1°F (19.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Glencoe, Illinois, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 66.9°F (19.4°C). Glencoe's weather in August indicates an average high-temperature of a still moderately hot 78.1°F (25.6°C), nearly consistent with the 79.2°F (26.2°C) of July. Weather in August »

Weather in September

September, the first month of the autumn in Glencoe, is also an agreeable month, with an average temperature varying between 71.6°F (22°C) and 60.3°F (15.7°C). Glencoe's September weather features a light decline in high-temperatures, reducing from a warm 78.1°F (25.6°C) in August to an agreeable 71.6°F (22°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Glencoe, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 47.7°F (8.7°C). In October, the average high-temperature goes from a pleasant 71.6°F (22°C) in September to a mild 59.5°F (15.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Glencoe, is also a frosty month, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 35.1°F (1.7°C). Glencoe's November weather comes with a decrease in average high-temperatures, moving from a mild 59.5°F (15.3°C) in October to a chilly 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Glencoe, Illinois, with an average temperature ranging between min 26.1°F (-3.3°C) and max 34.9°F (1.6°C). December's arrival comes with a decrease in the average high-temperature, moving from a frosty 45.5°F (7.5°C) in November to a cold 34.9°F (1.6°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Glencoe?

With average temperatures fluctuating between a high of 28.8°F (-1.8°C) and a low of 18.9°F (-7.3°C), January stands out as the coldest month in Glencoe.

What is the most humid month in Glencoe?

January is the most humid month in Glencoe, Illinois, with an average relative humidity of 82%.

How many days does it rain in Glencoe?

Throughout the year, in Glencoe, there are 164.7 rainfall days, and 35.28" (896mm) of precipitation is accumulated.

When does it snow in Glencoe?

January through May, October through December are months with snowfall.

What is the snowiest month in Glencoe?

January is the month with the most snowfall in Glencoe, Illinois. Snow falls for 13.1 days and accumulates 4.84" (123mm) of snow.

How much does it snow in Glencoe?

In Glencoe, Illinois, during the entire year, snow falls for 47.6 days and aggregates up to 17.8" (452mm) of snow.

What is the month with the least sunshine in Glencoe?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

When is Daylight Saving Time (DST) in Glencoe?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Glencoe?

The months with the most rainfall are May and June, with an average 4.57" (116mm) of precipitation.

When it does not snow in Glencoe?

June through September are months without snowfall in Glencoe, Illinois.

When are the longest days in Glencoe?

June has the longest days of the year in Glencoe, with an average of 15h and 12min of daylight.

What is the month with the highest UV index in Glencoe?

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

What time of the year is the hottest in Glencoe?

July is the warmest month in Glencoe, Illinois, exhibiting average temperatures of 79.2°F (26.2°C) at the peak and 67.1°F (19.5°C) at the base.

What are the months with the most sunshine in Glencoe?

The months with the most sunshine in Glencoe are July and August, with an average of 10.4h of sunshine.

What is the least humid month in Glencoe?

October is the least humid month, with an average relative humidity of 73%.

What is the driest month in Glencoe?

December is the month with the least rainfall in Glencoe. Rain falls for 9.1 days and accumulates 1.65" (42mm) of precipitation.

What is the month with the shortest days in Glencoe?

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

When is the lowest UV index in Glencoe?

December is the month with the lowest UV index in Glencoe, Illinois, with an average maximum UV index of 1.

Average temperature
Glencoe, IL

Average temperature - Glencoe, IL

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°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 (18.9°F).

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Average pressure
Glencoe, IL

Average pressure - Glencoe, 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).

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Average wind speed
Glencoe, IL

Average wind speed - Glencoe, IL

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average rainfall
Glencoe, IL

Average rainfall - Glencoe, IL

The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").

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Average rainfall days
Glencoe, IL

Average rainfall days - Glencoe, IL

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).

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Average snowfall
Glencoe, IL

Average snowfall - Glencoe, IL

The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Glencoe, IL

Average snowfall days - Glencoe, IL

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Glencoe, IL

Average daylight / Average sunshine - Glencoe, 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days
Glencoe, IL

Average sunshine days - Glencoe, IL

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).

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Average visibility
Glencoe, IL

Average visibility - Glencoe, 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).

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Glencoe, Illinois, USA

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