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 average temperature fluctuating between 26.2°F (-3.2°C) and 14.9°F (-9.5°C). The coldest month 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). Weather in January »

Weather in February

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

Weather in March

March, the first month of the spring, in Antioch, is a cold month, with average temperature ranging between min 28.8°F (-1.8°C) and max 42.4°F (5.8°C). In Antioch, the average high-temperature in March increases, from a freezing cold 29.7°F (-1.3°C) in February, to a wintry 42.4°F (5.8°C). Weather in March »

Weather in April

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

Weather in May

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

Weather in June

June, the first month of the summer, in Antioch, is a moderately hot month, with average temperature ranging between min 57.9°F (14.4°C) and max 74.5°F (23.6°C). In Antioch, the average high-temperature increases, from a comfortable 65.1°F (18.4°C) in May, to a moderately hot 74.5°F (23.6°C). Weather in June »

Weather in July

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

Weather in August

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

Weather in September

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

Weather in October

October, the same as September, in Antioch, Illinois, is a moderate autumn month, with average temperature varying between 58.3°F (14.6°C) and 43.9°F (6.6°C). In October, the average high-temperature decreases, 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

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

Weather in December

The first month of the winter, December, is also a wintry month in Antioch, Illinois, with average temperature ranging between min 22.8°F (-5.1°C) and max 32.5°F (0.3°C). In December, the average high-temperature drops, from a chilly 44.4°F (6.9°C) in November, to a wintry 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?

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

How many days does it rain in Antioch?

In Antioch, during the entire year, the rain falls for 139.6 days and collects up to 26.18" (665mm) of precipitation.

When does it snow in Antioch?

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

What is the snowiest month in Antioch?

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

How many days 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?

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

What is the month 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.

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

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

What is the rainiest month in Antioch?

The month with the most rainfall in Antioch, Illinois, is June when the rain falls for 17.3 days and typically aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Antioch?

In Antioch snow does not fall in June through September.

When are the longest days in Antioch?

The month with the longest days in Antioch, Illinois, is June, with an average of 15.3h of daylight.

What is the warmest month in Antioch?

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

What are the months with the most sunshine in Antioch?

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

What is the least humid month in Antioch?

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

What is the driest month in Antioch?

The month with the least rainfall 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?

December has the shortest days of the year, with an average of 9.1h of daylight.

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

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

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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").
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).
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: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

Months with the most sunshine are July and August (Average sunshine: 9.9h).
Months with the least sunshine are January and February (Average sunshine: 3.6).

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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 visibility
Antioch, IL

Average visibility - Antioch, IL

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

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