August weather forecast
Antioch, IL

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).

Temperature

In Antioch, the average high-temperature in August is practically the same as in July - a still warm 77.5°F (25.3°C). In August, the average low-temperature is 61.5°F (16.4°C).

Humidity

The average relative humidity in August in Antioch, Illinois, is 82%.

Rainfall

In Antioch, Illinois, in August, it is raining for 16.3 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Antioch, the average length of the day in August is 13h and 51min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:12 pm. On the last day of August, in Antioch, sunrise is at 6:16 am and sunset at 7:28 pm CDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in August in Antioch?

In Antioch, Illinois, the average relative humidity in August is 82%.

How many days does it rain in August in Antioch?

In August, the rain falls for 16.3 days. Throughout August, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Antioch?

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

What is the average length of the day in August in Antioch?

The average day length in August in Antioch is 13h and 51min.

What time are sunrise and sunset in August in Antioch?

In August, on the first day of the month, sunrise is at 5:44 am and sunset at 8:12 pm. On the last day of the month, in Antioch, Illinois, sunrise is at 6:16 am and sunset at 7:28 pm CDT.

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.

How many hours of sunshine does Antioch have in August?

The average sunshine duration in August is 9.9h.

When is the highest UV index in Antioch?

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

How high is the UV index in August in Antioch?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Antioch, IL

Average temperature in August - Antioch, IL
  • Average high temperature in August: 77.5°F

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).

  • Average low temperature in August: 61.5°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 in August
Antioch, IL

Average pressure in August - Antioch, IL
  • Average pressure in August: 29.97"Hg

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 in August
Antioch, IL

Average wind speed in August - Antioch, IL
  • Average wind speed in August: 6.4mph

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 humidity in August
Antioch, IL

Average humidity in August - Antioch, IL
  • Average humidity in August: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in August
Antioch, IL

Average rainfall in August - Antioch, IL
  • Average rainfall in August: 2.99"

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 in August
Antioch, IL

Average rainfall days in August - Antioch, IL
  • Average rainfall days in August: 16.3 days

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 in August
Antioch, IL

Average snowfall in August - Antioch, IL
  • Average snowfall in August: 0"

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 in August
Antioch, IL

Average snowfall days in August - Antioch, IL
  • Average snowfall days in August: 0 days

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 in August /
Average sunshine in August
Antioch, IL

Average daylight in August / Average sunshine in August - Antioch, IL
  • Average daylight in August: 13h and 51min

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).

  • Average sunshine in August: 9h and 54min

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 in August
Antioch, IL

Average sunshine days in August - Antioch, IL
  • Average sunshine days in August: 12.2 days

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 in August
Antioch, IL

Average UV index in August - Antioch, IL
  • Average UV index in August: 5

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 cloud cover in August
Antioch, IL

Average cloud cover in August - Antioch, IL
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

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Average visibility in August
Antioch, IL

Average visibility in August - Antioch, IL
  • Average visibility in August: 6mi

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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