Climate and monthly weather forecast
Antioch, IL

Weather in January

January, the same as December, in Antioch, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 14.9°F (-9.5°C) and an average high of 26.2°F (-3.2°C). With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14.9°F (-9.5°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Antioch, Illinois, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.4°F (-8.1°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 29.7°F (-1.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Antioch, Illinois, with temperature in the range of an average high of 42.4°F (5.8°C) and an average low of 28.8°F (-1.8°C). In March, the average high-temperature increases from a subzero cold 29.7°F (-1.3°C) in February to a cold 42.4°F (5.8°C). Weather in March »

Weather in April

April in Antioch, Illinois, is a fresh spring month, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 53.2°F (11.8°C). In April, the average high-temperature increases from a cold 42.4°F (5.8°C) in March to a cool 53.2°F (11.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Antioch, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 48.7°F (9.3°C). In May, the average high-temperature increases from a fresh 53.2°F (11.8°C) in April to a comfortable 65.1°F (18.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Antioch, Illinois, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 57.9°F (14.4°C). In June, the average high-temperature rises from an enjoyable 65.1°F (18.4°C) in May to a warm 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in Antioch, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79°F (26.1°C). The warmest month is July, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 63.1°F (17.3°C). Weather in July »

Weather in August

August, the last month of the summer in Antioch, is also a moderately hot month, with an average temperature ranging between min 61.5°F (16.4°C) and max 77.5°F (25.3°C). In Antioch, the average high-temperature in August is practically the same as in July - a still warm 77.5°F (25.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Antioch, is also an agreeable month, with an average temperature ranging between min 55°F (12.8°C) and max 71.6°F (22°C). In Antioch, the average high-temperature in September slightly decreases from a warm 77.5°F (25.3°C) in August to an agreeable 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, in Antioch, Illinois, is another mild autumn month, with an average temperature fluctuating between 58.3°F (14.6°C) and 43.9°F (6.6°C). In October, the average high-temperature drops from a pleasant 71.6°F (22°C) in September to a mild 58.3°F (14.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Antioch, Illinois, with an average temperature fluctuating between 44.4°F (6.9°C) and 32.4°F (0.2°C). In November, the average high-temperature drops from a mild 58.3°F (14.6°C) in October to a chilly 44.4°F (6.9°C). Weather in November »

Weather in December

December, the first month of the winter in Antioch, is also a wintry month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 32.5°F (0.3°C). In Antioch, the average high-temperature in December decreases from a frosty 44.4°F (6.9°C) in November to a cold 32.5°F (0.3°C). Weather in December »
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FAQ

What is the coldest month in Antioch?

The coldest month in Antioch is January, with an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14.9°F (-9.5°C).

What is the most humid month in Antioch?

With an average relative humidity of 85%, January is the most humid month in Antioch.

How much does it rain in Antioch?

Throughout the year, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

When does it snow in Antioch?

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

What is the snowiest month in Antioch?

January is the month with the most snowfall. Snow falls for 10.1 days and accumulates 4.33" (110mm) of snow.

How much does it snow in Antioch?

Throughout the year, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.

What is the month with the least sunshine in Antioch?

The months with the least sunshine in Antioch, Illinois, are January and February, with an average of 3.6h of sunshine.

What are the months with the lowest UV index in Antioch?

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

When is Daylight Saving Time (DST) in Antioch?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the month with the highest UV index in Antioch?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Antioch.

What is the rainiest month in Antioch?

June is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.54" (90mm) of precipitation.

When it does not snow in Antioch?

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

When are the longest days in Antioch?

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

What is the warmest month in Antioch?

July is the warmest month in Antioch, Illinois, with an average high-temperature of 79°F (26.1°C) and an average low-temperature of 63.1°F (17.3°C).

What are the months with the most sunshine in Antioch?

The months with the most sunshine are July and August, with an average of 9.9h of sunshine.

What is the least humid month in Antioch?

The least humid month in Antioch, Illinois, is October, with an average relative humidity of 76%.

What is the driest month in Antioch?

The month with the least rainfall in Antioch, Illinois, is December, when the rain falls for 6 days and typically collects 1.06" (27mm) of precipitation.

What is the month with the shortest days in Antioch?

With an average of 9h and 8min of daylight, December has the shortest days of the year in Antioch.

Average temperature
Antioch, IL

Average temperature - Antioch, IL

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure
Antioch, IL

Average pressure - Antioch, IL

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Antioch, IL

Average wind speed - Antioch, IL

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average rainfall
Antioch, IL

Average rainfall - Antioch, IL

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

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Average rainfall days
Antioch, IL

Average rainfall days - Antioch, IL

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall
Antioch, IL

Average snowfall - Antioch, IL

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

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Average snowfall days
Antioch, IL

Average snowfall days - Antioch, IL

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Antioch, IL

Average daylight / Average sunshine - Antioch, IL

The month with the longest days is June (Average daylight: 15h and 15min).
The month with the shortest days is December (Average daylight: 9h and 8min).

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

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Average sunshine days
Antioch, IL

Average sunshine days - Antioch, IL

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index
Antioch, IL

Average UV index - Antioch, IL

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average visibility
Antioch, IL

Average visibility - Antioch, IL

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

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