Climate and monthly weather forecast
Mokena, IL

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Weather in January

January, like December, is another subzero cold winter month in Mokena, Illinois, with temperature in the range of an average high of 29.3°F (-1.5°C) and an average low of 17.4°F (-8.1°C). The coldest month is January, with an average high-temperature of 29.3°F (-1.5°C) and an average low-temperature of 17.4°F (-8.1°C). Weather in January »

Weather in February

February, the last month of the winter in Mokena, is a wintry month, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 20.7°F (-6.3°C). February's arrival brings an average high-temperature of a wintry 33.1°F (0.6°C), demonstrating subtle variation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Mokena, is a frosty month, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 31.8°F (-0.1°C). A rise in the average high-temperature is observed during March, moving from a cold 33.1°F (0.6°C) in February to a chilly 46.2°F (7.9°C). Weather in March »

Weather in April

April is a moderate spring month in Mokena, Illinois, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 41.7°F (5.4°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a chilly 46.2°F (7.9°C) to a moderate 57.9°F (14.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Mokena, Illinois, with an average temperature ranging between min 52.5°F (11.4°C) and max 70°F (21.1°C). The shift into May brings an increase in the average high-temperature, moving from a mild 57.9°F (14.4°C) in April to an agreeable 70°F (21.1°C). Weather in May »

Weather in June

June, the first month of the summer in Mokena, is a moderately hot month, with an average temperature fluctuating between 61.3°F (16.3°C) and 78.8°F (26°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from an agreeable 70°F (21.1°C) in May to a warm 78.8°F (26°C). Weather in June »

Weather in July

July, like June, in Mokena, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 64.9°F (18.3°C). Temperature records mark July as the warmest month, with highs averaging 81.7°F (27.6°C) and lows at 64.9°F (18.3°C). For most parts of July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Mokena, is another warm month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 63.3°F (17.4°C). The arrival of August is marked by an average high-temperature of a still moderately hot 80.2°F (26.8°C), bearing a close resemblance to July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mokena, Illinois, with an average temperature ranging between min 57°F (13.9°C) and max 74.3°F (23.5°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from 80.2°F (26.8°C) in August to a still warm 74.3°F (23.5°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Mokena, Illinois, with an average temperature fluctuating between 61.2°F (16.2°C) and 45.3°F (7.4°C). Mokena's weather in October involves a decrease in the average high-temperature, moving down from September's warm 74.3°F (23.5°C) to a comfortable 61.2°F (16.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Mokena, is also a frosty month, with an average temperature ranging between min 33.6°F (0.9°C) and max 46.9°F (8.3°C). The onset of November coincides with a reduction in the average high-temperature, falling from a comfortable 61.2°F (16.2°C) in October to a chilly 46.9°F (8.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Mokena, Illinois, with an average temperature varying between 25°F (-3.9°C) and 35.1°F (1.7°C). The onset of December comes with a shift in the average high-temperature, falling from a frosty 46.9°F (8.3°C) in November to an icy 35.1°F (1.7°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Mokena?

In Mokena, Illinois, the lowest temperatures are generally noted in January, averaging a high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C).

How many days does it rain in Mokena?

In Mokena, Illinois, during the entire year, the rain falls for 149.8 days and collects up to 31.26" (794mm) of precipitation.

When does it snow in Mokena?

Months with snowfall in Mokena, Illinois, are January through April, October through December.

When does it snow the most in Mokena?

The month with the most snowfall in Mokena is January, when snow falls for 12.3 days and typically aggregates up to 4.53" (115mm) of snow.

How much does it snow in Mokena?

Throughout the year, in Mokena, there are 42.2 snowfall days, and 14.65" (372mm) of snow is accumulated.

What is the month with the least sunshine in Mokena?

With an average of 3.6h of sunshine, January has the least sunshine of the year in Mokena.

What are the months with the lowest UV index in Mokena?

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

What is the most humid month in Mokena?

The most humid month in Mokena, Illinois, is February, with an average relative humidity of 83%.

What is the driest month in Mokena?

The months with the least rainfall are February and December Rain falls for 5.3 days and accumulates 1.61" (41mm) of rain.

When is Daylight Saving Time (DST) in Mokena?

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 rainiest month in Mokena?

The month with the most rainfall is May, when the rain falls for 16.4 days and typically aggregates up to 4.21" (107mm) of precipitation.

When it does not snow in Mokena?

May through September are months without snowfall.

When are the longest days in Mokena?

The month with the longest days in Mokena, Illinois, is June, with an average of 15h and 6min of daylight.

What are the months with the highest UV index in Mokena?

The months with the highest UV index in Mokena, Illinois, are June and July, with an average maximum UV index of 6.

What are the warmest months in Mokena?

July is the month when Mokena's temperatures reach their peak, with averages of 81.7°F (27.6°C) and lows of 64.9°F (18.3°C).

What month has the most sunshine in Mokena?

August has the most sunshine of the year, with an average of 9.6h of sunshine.

What is the least humid month in Mokena?

The least humid month in Mokena, Illinois, is October, with an average relative humidity of 73%.

What is the month with the shortest days in Mokena?

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

Average temperature
Mokena, IL

Average temperature - Mokena, IL

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (29.3°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure
Mokena, IL

Average pressure - Mokena, 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
Mokena, IL

Average wind speed - Mokena, IL

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average rainfall
Mokena, IL

Average rainfall - Mokena, IL

The wettest month (with the highest rainfall) is May (4.21").
The driest months (with the least rainfall) are February and December (1.61").

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Average rainfall days
Mokena, IL

Average rainfall days - Mokena, IL

The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall
Mokena, IL

Average snowfall - Mokena, IL

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Mokena, IL

Average snowfall days - Mokena, IL

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Mokena, IL

Average daylight / Average sunshine - Mokena, IL

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Mokena, IL

Average sunshine days - Mokena, IL

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.7 days).

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Average visibility
Mokena, IL

Average visibility - Mokena, IL

The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).

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Mokena, Illinois, USA

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