Climate and monthly weather forecast
Manteno, IL

Weather in January

January, like December, is a freezing cold winter month in Manteno, Illinois, with an average temperature ranging between min 18.3°F (-7.6°C) and max 29.7°F (-1.3°C). With an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.3°F (-7.6°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in Manteno, Illinois, with an average temperature ranging between min 21°F (-6.1°C) and max 33.4°F (0.8°C). In February, the average high-temperature is almost the same as in January - a wintry 33.4°F (0.8°C). Weather in February »

Weather in March

March, the first month of the spring in Manteno, is a frosty month, with an average temperature fluctuating between 32.5°F (0.3°C) and 46.4°F (8°C). In March, the average high-temperature increases from a wintry 33.4°F (0.8°C) in February to a chilly 46.4°F (8°C). Weather in March »

Weather in April

April in Manteno, Illinois, is a moderate spring month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 58.3°F (14.6°C). In Manteno, the average high-temperature in April rises from a frosty 46.4°F (8°C) in March to a moderate 58.3°F (14.6°C). Weather in April »

Weather in May

May, the last month of the spring in Manteno, is a pleasant month, with an average temperature fluctuating between 53.2°F (11.8°C) and 70.3°F (21.3°C). In Manteno, the average high-temperature in May increases from a mild 58.3°F (14.6°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Manteno, Illinois, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 61.5°F (16.4°C). In June, the average high-temperature slightly increases from an agreeable 70.3°F (21.3°C) in May to a warm 79°F (26.1°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Manteno, Illinois, with an average temperature fluctuating between 81.3°F (27.4°C) and 64.8°F (18.2°C). With an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.8°F (18.2°C), July is the warmest month. In July, the average heat index is computed to be a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Manteno, Illinois, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 80.1°F (26.7°C). In August, the average high-temperature is practically the same as in July - a still warm 80.1°F (26.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Manteno, Illinois, with an average temperature fluctuating between 57.2°F (14°C) and 74.8°F (23.8°C). In September, the average high-temperature is almost the same as in August - a still moderately hot 74.8°F (23.8°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Manteno, Illinois, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46.4°F (8°C). In Manteno, the average high-temperature in October decreases from a warm 74.8°F (23.8°C) in September to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Manteno, Illinois, with an average temperature ranging between max 47.1°F (8.4°C) and min 34.5°F (1.4°C). In Manteno, the average high-temperature in November declines considerably from a comfortable 61.7°F (16.5°C) in October to a frosty 47.1°F (8.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Manteno, Illinois, with an average temperature varying between 25.9°F (-3.4°C) and 35.6°F (2°C). In Manteno, the average high-temperature in December decreases from a chilly 47.1°F (8.4°C) in November to a cold 35.6°F (2°C). Weather in December »
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FAQ

What is the coldest month in Manteno?

The coldest month in Manteno is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 18.3°F (-7.6°C).

How many days does it rain in Manteno?

In Manteno, Illinois, during the entire year, the rain falls for 115.5 days and collects up to 11.65" (296mm) of precipitation.

When does it snow in Manteno?

January through April, October through December are months with snowfall in Manteno, Illinois.

When does it snow the most in Manteno?

The month with the most snowfall in Manteno, Illinois, is January, when snow falls for 10.2 days and typically aggregates up to 1.34" (34mm) of snow.

How many days does it snow in Manteno?

Throughout the year, there are 33.7 snowfall days, and 4.92" (125mm) of snow is accumulated.

What is the month with the least sunshine in Manteno?

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

When is the lowest UV index in Manteno?

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

What is the most humid month in Manteno?

With an average relative humidity of 83%, February is the most humid month.

What is the driest month in Manteno?

February is the month with the least rainfall in Manteno, Illinois. Rain falls for 4.4 days and accumulates 0.55" (14mm) of precipitation.

When is Daylight Saving Time (DST) in Manteno?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Manteno?

The month with the most rainfall in Manteno is May, when the rain falls for 14.2 days and typically aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Manteno?

In Manteno, Illinois, snow does not fall in May through September.

When are the longest days in Manteno?

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

When is the highest UV index in Manteno?

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

What is the warmest month in Manteno?

With an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.8°F (18.2°C), July is the warmest month in Manteno, Illinois.

What month has the most sunshine in Manteno?

August has the most sunshine of the year in Manteno, Illinois, with an average of 9.9h of sunshine.

What is the least humid month in Manteno?

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

What is the month with the shortest days in Manteno?

With an average of 9h and 16min of daylight, December has the shortest days of the year.

Average temperature
Manteno, IL

Average temperature - Manteno, IL

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure
Manteno, IL

Average pressure - Manteno, IL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Manteno, IL

Average wind speed - Manteno, IL

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average rainfall
Manteno, IL

Average rainfall - Manteno, IL

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days
Manteno, IL

Average rainfall days - Manteno, IL

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall
Manteno, IL

Average snowfall - Manteno, IL

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Manteno, IL

Average snowfall days - Manteno, IL

The month with the highest number of snowfall days is January (10.2 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
Manteno, IL

Average daylight / Average sunshine - Manteno, 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 16min).

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days
Manteno, IL

Average sunshine days - Manteno, IL

The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are June and July (12.2 days).

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Average visibility
Manteno, IL

Average visibility - Manteno, IL

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

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