Climate and monthly weather forecast
Hanover Park, IL

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Weather in January

January, like December, is a freezing cold winter month in Hanover Park, Illinois, with an average temperature varying between 16.3°F (-8.7°C) and 27.7°F (-2.4°C). The coldest time of the year is January, with temperatures averaging a high of 27.7°F (-2.4°C) and a low of 16.3°F (-8.7°C). Weather in January »

Weather in February

February, the last month of the winter in Hanover Park, is also a subzero cold month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 31.6°F (-0.2°C). February ushers in an average high-temperature of a still freezing cold 31.6°F (-0.2°C), aligning closely with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Hanover Park, Illinois, with an average temperature varying between 30.6°F (-0.8°C) and 44.2°F (6.8°C). As March arrives, Hanover Park's weather shows an increase in high-temperatures, moving from February's freezing cold 31.6°F (-0.2°C) to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April is a moderate spring month in Hanover Park, Illinois, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 39.9°F (4.4°C). The commencement of April sees a shift in the average high-temperature, moving from a frosty 44.2°F (6.8°C) in March to a moderate 55.8°F (13.2°C). Weather in April »

Weather in May

May, the last month of the spring in Hanover Park, is an agreeable month, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 68°F (20°C). May's arrival signals an increase in average high-temperatures, moving from April's moderate 55.8°F (13.2°C) to an agreeable 68°F (20°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Hanover Park, Illinois, with an average temperature ranging between min 59.9°F (15.5°C) and max 77.4°F (25.2°C). The onset of June brings a temperature shift, with the average high-temperature moving from a pleasant 68°F (20°C) in May to a warm 77.4°F (25.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Hanover Park, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.3°F (27.4°C). Temperature readings reach their annual highs in July, averaging 81.3°F (27.4°C) and a minimum average of 64.9°F (18.3°C). In July, the average heat index is calculated to be a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Hanover Park, is also a moderately hot month, with an average temperature ranging between min 63.7°F (17.6°C) and max 79.9°F (26.6°C). The arrival of August sees a recorded average high-temperature of a still warm 79.9°F (26.6°C), showing little divergence from the previous month's conditions. Weather in August »

Weather in September

September, the first month of the autumn in Hanover Park, is still a warm month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 56.8°F (13.8°C). Hanover Park experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 79.9°F (26.6°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, in Hanover Park, Illinois, is another refreshing autumn month, with an average temperature varying between 60.3°F (15.7°C) and 45.3°F (7.4°C). As Hanover Park, Illinois, enters October, the average high-temperature decreases from the a moderately hot 73.4°F (23°C) of September to a refreshing 60.3°F (15.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Hanover Park, Illinois, with an average temperature ranging between max 45.5°F (7.5°C) and min 32.7°F (0.4°C). As Hanover Park, Illinois, welcomes November, the average high-temperature witnesses a distinct drop, moving from a refreshing 60.3°F (15.7°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 still a cold month in Hanover Park, Illinois, with an average temperature ranging between min 23.9°F (-4.5°C) and max 34°F (1.1°C). The onset of December introduces a moderate change in Hanover Park's weather, with average high-temperatures falling from November's chilly 45.5°F (7.5°C) to an icy 34°F (1.1°C). Weather in December »
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Frequently asked questions

What is the coldest month in Hanover Park?

Hanover Park's temperature records reveal January as the coldest month, marked by average highs of 27.7°F (-2.4°C) and lows of 16.3°F (-8.7°C).

What is the most humid month in Hanover Park?

January and February, with an average relative humidity of 83%, are most humid months in Hanover Park.

How much does it rain in Hanover Park?

In Hanover Park, during the entire year, the rain falls for 141.5 days and collects up to 22.76" (578mm) of precipitation.

When does it snow in Hanover Park?

Months with snowfall in Hanover Park, Illinois, are January through May, October through December.

When does it snow the most in Hanover Park?

The month with the most snowfall in Hanover Park is January, when snow falls for 12.3 days and typically aggregates up to 3.39" (86mm) of snow.

How much does it snow in Hanover Park?

Throughout the year, in Hanover Park, Illinois, there are 46.4 snowfall days, and 13.03" (331mm) of snow is accumulated.

What is the month with the least sunshine in Hanover Park?

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

What is the month with the lowest UV index in Hanover Park?

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

When is Daylight Saving Time (DST) in Hanover Park?

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

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.83" (72mm) of precipitation.

When it does not snow in Hanover Park?

In Hanover Park, Illinois, snow does not fall in June through September.

When are the longest days in Hanover Park?

The month with the longest days is June, with an average of 15h and 12min of daylight.

What are the months with the highest UV index in Hanover Park?

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

What part of the year is the hottest in Hanover Park?

The warmest period is July, when temperatures fluctuate between an average high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).

What are the months with the most sunshine in Hanover Park?

The months with the most sunshine are July and August, with an average of 9.8h of sunshine.

What is the least humid month in Hanover Park?

With an average relative humidity of 74%, October is the least humid month.

What is the driest month in Hanover Park?

December is the month with the least rainfall. Rain falls for 7.2 days and accumulates 1.02" (26mm) of precipitation.

What is the month with the shortest days in Hanover Park?

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

Average temperature
Hanover Park, IL

Average temperature - Hanover Park, 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 (27.7°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 (16.3°F).

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Average pressure
Hanover Park, IL

Average pressure - Hanover Park, 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
Hanover Park, IL

Average wind speed - Hanover Park, 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 (6.2mph).

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Average humidity
Hanover Park, IL

Average humidity - Hanover Park, IL

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall
Hanover Park, IL

Average rainfall - Hanover Park, IL

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").

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Average rainfall days
Hanover Park, IL

Average rainfall days - Hanover Park, IL

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall
Hanover Park, IL

Average snowfall - Hanover Park, IL

The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Hanover Park, IL

Average snowfall days - Hanover Park, IL

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

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Average daylight / Average sunshine
Hanover Park, IL

Average daylight / Average sunshine - Hanover Park, 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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Hanover Park, IL

Average sunshine days - Hanover Park, IL

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index
Hanover Park, IL

Average UV index - Hanover Park, 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).

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Average visibility
Hanover Park, IL

Average visibility - Hanover Park, IL

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

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Hanover Park, Illinois, USA

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