Climate and monthly weather forecast
Hanover Park, IL

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Weather in January

January, the same as December, in Hanover Park, Illinois, is a freezing cold winter month, with an average temperature varying between 27.7°F (-2.4°C) and 16.3°F (-8.7°C). In Hanover Park, January is the coldest month, 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 an average temperature varying between 19°F (-7.2°C) and 31.6°F (-0.2°C). The arrival of February sees a recorded average high-temperature of a still freezing cold 31.6°F (-0.2°C), showing little divergence from the previous month's conditions. Weather in February »

Weather in March

March, the first month of the spring in Hanover Park, is a frosty month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 44.2°F (6.8°C). Hanover Park's weather in March presents a rise in the average high-temperature, moving from a freezing cold 31.6°F (-0.2°C) in February to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April in Hanover Park, Illinois, is a moderate spring month, with an average temperature ranging between min 39.9°F (4.4°C) and max 55.8°F (13.2°C). April's arrival brings a change in high-temperatures, moving from a frosty 44.2°F (6.8°C) in March to a mild 55.8°F (13.2°C). Weather in April »

Weather in May

May, the last month of the spring in Hanover Park, is a pleasant month, with an average temperature ranging between min 51.1°F (10.6°C) and max 68°F (20°C). May's onset brings a temperature rise, moving from a mild 55.8°F (13.2°C) in April to a pleasant 68°F (20°C). Weather in May »

Weather in June

June, the first month of the summer in Hanover Park, is a warm month, with an average temperature fluctuating between 77.4°F (25.2°C) and 59.9°F (15.5°C). With the beginning of June, Hanover Park's average high-temperature sees an increase, transitioning from an agreeable 68°F (20°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Hanover Park, Illinois, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.3°F (27.4°C). Hanover Park's July weather, with an average high temperature of 81.3°F (27.4°C) and an average low temperature of 64.9°F (18.3°C), tends to be the warmest of the year. The average heat index in July is appraised at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Hanover Park, Illinois, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 79.9°F (26.6°C). During August, Hanover Park observes a subtle ascent to a still moderately hot 79.9°F (26.6°C) from July's 81.3°F (27.4°C) in the average high-temperature. Weather in August »

Weather in September

September, the first month of the autumn in Hanover Park, is also a moderately hot month, with an average temperature fluctuating between 56.8°F (13.8°C) and 73.4°F (23°C). September heralds a minor drop in average high-temperature, sliding from August's warm 79.9°F (26.6°C) to a still moderately hot 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). Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 73.4°F (23°C) to a moderate 60.3°F (15.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly 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). November's onset brings a clear reduction in the average high-temperature, falling from a moderate 60.3°F (15.7°C) in October to a chilly 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Hanover Park, is also an icy month, with an average temperature varying between 23.9°F (-4.5°C) and 34°F (1.1°C). Hanover Park's December weather shows a moderate shift in high-temperatures, falling from November's chilly 45.5°F (7.5°C) to an icy 34°F (1.1°C). Weather in December »
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The lowest temperatures are recorded in January, with averages reaching a high of 27.7°F (-2.4°C) and a low of 16.3°F (-8.7°C).

What are the most humid months?

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

How many days does it rain?

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?

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

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 12.3 days and accumulates 3.39" (86mm) of snow.

How much does it snow?

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

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

What are the months with the lowest UV index?

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

When is Daylight Saving Time (DST)?

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?

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, snow does not fall in June through September.

When are the longest days?

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

When is the highest UV index?

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

What is the hottest time of year?

In Hanover Park, the average temperatures in July are the highest, with a peak at 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).

What is the month with the most sunshine?

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

What is the least humid month?

The least humid month is October, with an average relative humidity of 74%.

What is the driest month in Hanover Park?

The month with the least rainfall is December, when the rain falls for 7.2 days and typically collects 1.02" (26mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

Average cloud cover
Hanover Park, IL

Average cloud cover - Hanover Park, IL

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).

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).

Hanover Park, Illinois, USA

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