Climate and monthly weather forecast
Hazel Crest, IL

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Weather in January

January, like December, is another subzero cold winter month in Hazel Crest, Illinois, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 29.7°F (-1.3°C). With its high average temperature of 29.7°F (-1.3°C) and a low of 18.9°F (-7.3°C), January is regarded as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Hazel Crest, is an icy month, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 33.1°F (0.6°C). The advent of February sees the average high-temperature at an icy 33.1°F (0.6°C), subtly shifted from January's 29.7°F (-1.3°C). Weather in February »

Weather in March

March, the first month of the spring in Hazel Crest, is a chilly month, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 45.5°F (7.5°C). The arrival of March signals an increase in the average high-temperature, moving from an icy 33.1°F (0.6°C) in February to a chilly 45.5°F (7.5°C). Weather in March »

Weather in April

April is a refreshing spring month in Hazel Crest, Illinois, with an average temperature ranging between max 56.7°F (13.7°C) and min 41.7°F (5.4°C). Noticing a change, the average high-temperature during April moves from March's chilly 45.5°F (7.5°C) to a moderate 56.7°F (13.7°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Hazel Crest, Illinois, with an average temperature fluctuating between 52.3°F (11.3°C) and 68.7°F (20.4°C). May marks a rise in the average high-temperature, moving from April's mild 56.7°F (13.7°C) to a pleasant 68.7°F (20.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Hazel Crest, Illinois, with an average temperature ranging between min 61.7°F (16.5°C) and max 77.7°F (25.4°C). Hazel Crest's transition into June brings a rise in the average high-temperature, moving from an agreeable 68.7°F (20.4°C) in May to a moderately hot 77.7°F (25.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Hazel Crest, Illinois, with an average temperature fluctuating between 81.3°F (27.4°C) and 65.8°F (18.8°C). July temperatures tend to peak at an average high of 81.3°F (27.4°C) and dip to a low of 65.8°F (18.8°C). In July, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Hazel Crest, is also a moderately hot month, with an average temperature varying between 64.6°F (18.1°C) and 80.1°F (26.7°C). The beginning of August records an average high-temperature of a still moderately hot 80.1°F (26.7°C), marking a negligible difference from July's 81.3°F (27.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Hazel Crest, Illinois, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 73.9°F (23.3°C). A modest decline in the average high-temperature is seen during September, decreasing from 80.1°F (26.7°C) in August to a still warm 73.9°F (23.3°C). Weather in September »

Weather in October

October, like September, in Hazel Crest, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 46.9°F (8.3°C) and 61.2°F (16.2°C). The arrival of October corresponds with a temperature reduction, down from September's moderately hot 73.9°F (23.3°C) to a comfortable 61.2°F (16.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Hazel Crest, Illinois, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 34.9°F (1.6°C). November weather is marked by a drop in the average high-temperature, falling from a refreshing 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 Hazel Crest, Illinois, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 25.9°F (-3.4°C). December involves a decrease in temperature, down from a frosty 46.9°F (8.3°C) in November to a cold 35.6°F (2°C). Weather in December »
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January proves to be the coldest month, recording an average maximum temperature of 29.7°F (-1.3°C) and a minimum temperature of 18.9°F (-7.3°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 82%.

How much does it rain?

In Hazel Crest, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.

When does it snow?

Months with snowfall in Hazel Crest are January through April, October through December.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 12.6 days and typically aggregates up to 4.53" (115mm) of snow.

How many days does it snow?

In Hazel Crest, during the entire year, snow falls for 44.6 days and aggregates up to 16.46" (418mm) of snow.

What is the month with the least sunshine in Hazel Crest?

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

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 wettest month in Hazel Crest?

May is the month with the most rainfall. Rain falls for 17.4 days and accumulates 4.17" (106mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year in Hazel Crest.

What are the months with the highest UV index?

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

What are the warmest months?

The month of July sees the average highest temperatures, reaching 81.3°F (27.4°C) at the peak and 65.8°F (18.8°C) at the low.

What month has the most sunshine?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

What is the least humid month?

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

What is the driest month?

December is the month with the least rainfall in Hazel Crest. Rain falls for 7.9 days and accumulates 1.54" (39mm) of precipitation.

What is the month with the shortest days?

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

When is the lowest UV index?

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

Average temperature
Hazel Crest, IL

Average temperature - Hazel Crest, 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 (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure
Hazel Crest, IL

Average pressure - Hazel Crest, 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
Hazel Crest, IL

Average wind speed - Hazel Crest, IL

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity
Hazel Crest, IL

Average humidity - Hazel Crest, IL

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Hazel Crest, IL

Average rainfall - Hazel Crest, IL

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days
Hazel Crest, IL

Average rainfall days - Hazel Crest, IL

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall
Hazel Crest, IL

Average snowfall - Hazel Crest, 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").

Average snowfall days
Hazel Crest, IL

Average snowfall days - Hazel Crest, IL

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Hazel Crest, IL

Average daylight / Average sunshine - Hazel Crest, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days
Hazel Crest, IL

Average sunshine days - Hazel Crest, IL

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average visibility
Hazel Crest, IL

Average visibility - Hazel Crest, IL

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

Hazel Crest, Illinois, USA

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