Climate and monthly weather forecast
Crest Hill, IL

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Weather in January

January, like December, is another subzero cold winter month in Crest Hill, Illinois, with an average temperature ranging between max 29.3°F (-1.5°C) and min 17.4°F (-8.1°C). January is the month when Crest Hill, Illinois, sees the lowest average temperatures, with a high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Crest Hill, Illinois, with an average temperature ranging between min 20.7°F (-6.3°C) and max 33.4°F (0.8°C). Crest Hill's entry into February measures an average high-temperature of a wintry 33.4°F (0.8°C), closely parallel to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Crest Hill, Illinois, with an average temperature varying between 31.8°F (-0.1°C) and 46.2°F (7.9°C). March's arrival signals a temperature shift, moving from a cold 33.4°F (0.8°C) in February to a frosty 46.2°F (7.9°C). Weather in March »

Weather in April

April in Crest Hill, Illinois, is a moderate spring month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 58.1°F (14.5°C). Observing a rise in April, the average high-temperature goes from March's frosty 46.2°F (7.9°C) to a moderate 58.1°F (14.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Crest Hill, Illinois, with an average temperature varying between 70.3°F (21.3°C) and 52.3°F (11.3°C). The shift into May is marked by a rise in the average high-temperature, moving from April's refreshing 58.1°F (14.5°C) to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

June, the first month of the summer in Crest Hill, is a warm month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 61.3°F (16.3°C). Crest Hill's June weather indicates a minor ascent in high-temperatures, adjusting from a pleasant 70.3°F (21.3°C) in May to a moderately hot 79.2°F (26.2°C). Weather in June »

Weather in July

July, like June, in Crest Hill, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 81.3°F (27.4°C) and 64.8°F (18.2°C). With its high average temperature of 81.3°F (27.4°C) and a low of 64.8°F (18.2°C), July is regarded as the warmest month. The heat index value during July is appraised at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Crest Hill, is also a moderately hot month, with an average temperature varying between 62.8°F (17.1°C) and 80.1°F (26.7°C). August brings an average high-temperature of a still warm 80.1°F (26.7°C), showing a slight 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 Crest Hill, Illinois, with an average temperature fluctuating between 74.7°F (23.7°C) and 56.7°F (13.7°C). With the commencement of September, Crest Hill records a moderate temperature decline, with the average high easing from August's 80.1°F (26.7°C) to a still moderately hot 74.7°F (23.7°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Crest Hill, Illinois, with an average temperature ranging between max 61.3°F (16.3°C) and min 45.5°F (7.5°C). As September transitions into October, Crest Hill sees a drop in the average high-temperature, transitioning from a warm 74.7°F (23.7°C) to a comfortable 61.3°F (16.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Crest Hill, Illinois, with an average temperature varying between 33.4°F (0.8°C) and 47.1°F (8.4°C). As October transitions into November, Crest Hill sees a drop in the average high-temperature, transitioning from a refreshing 61.3°F (16.3°C) to a frosty 47.1°F (8.4°C). Weather in November »

Weather in December

December, the first month of the winter in Crest Hill, is also a wintry month, with an average temperature ranging between min 25°F (-3.9°C) and max 35.1°F (1.7°C). The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 47.1°F (8.4°C) to a cold 35.1°F (1.7°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Crest Hill?

The coldest month in Crest Hill, Illinois, 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).

How many days does it rain in Crest Hill?

In Crest Hill, during the entire year, the rain falls for 153.6 days and collects up to 32.72" (831mm) of precipitation.

When does it snow in Crest Hill?

Months with snowfall are January through April, November and December.

What is the snowiest month in Crest Hill?

January is the month with the most snowfall in Crest Hill. Snow falls for 11.9 days and accumulates 4.33" (110mm) of snow.

How much does it snow in Crest Hill?

In Crest Hill, Illinois, during the entire year, snow falls for 38.2 days and aggregates up to 14.61" (371mm) of snow.

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

With an average of 3.7h of sunshine, January has the least sunshine of the year in Crest Hill.

When is the lowest UV index in Crest Hill?

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

What is the most humid month in Crest Hill?

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

What is the driest month in Crest Hill?

February is the month with the least rainfall in Crest Hill. Rain falls for 5.7 days and accumulates 1.61" (41mm) of precipitation.

When is Daylight Saving Time (DST) in Crest Hill?

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

The month with the most rainfall in Crest Hill is May, when the rain falls for 17.8 days and typically aggregates up to 4.41" (112mm) of precipitation.

When it does not snow in Crest Hill?

May through October are months without snowfall in Crest Hill, Illinois.

When are the longest days in Crest Hill?

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

When is the highest UV index in Crest Hill?

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

What month is the hottest in Crest Hill?

With average high and low temperatures of 81.3°F (27.4°C) and 64.8°F (18.2°C) respectively, July is Crest Hill's warmest month.

What month has the most sunshine in Crest Hill?

The month with the most sunshine in Crest Hill is August, with an average of 9.7h of sunshine.

What is the least humid month in Crest Hill?

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

What is the month with the shortest days in Crest Hill?

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

Average temperature
Crest Hill, IL

Average temperature - Crest Hill, 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 (29.3°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 (17.4°F).

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Average pressure
Crest Hill, IL

Average pressure - Crest Hill, 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
Crest Hill, IL

Average wind speed - Crest Hill, IL

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity
Crest Hill, IL

Average humidity - Crest Hill, IL

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall
Crest Hill, IL

Average rainfall - Crest Hill, IL

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days
Crest Hill, IL

Average rainfall days - Crest Hill, IL

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall
Crest Hill, IL

Average snowfall - Crest Hill, IL

The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Crest Hill, IL

Average snowfall days - Crest Hill, IL

The month with the highest number of snowfall days is January (11.9 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
Crest Hill, IL

Average daylight / Average sunshine - Crest Hill, 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 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days
Crest Hill, IL

Average sunshine days - Crest Hill, IL

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).

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Average visibility
Crest Hill, IL

Average visibility - Crest Hill, 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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Crest Hill, Illinois, USA

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