August weather forecast
Ohio, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Ohio, Illinois, with an average temperature ranging between max 79.5°F (26.4°C) and min 62.1°F (16.7°C).

Temperature

Ohio ushers in August with an average high-temperature of a still moderately hot 79.5°F (26.4°C), showing a close resemblance to the previous month. The nighttime temperature dips to an enjoyable 62.1°F (16.7°C) on average during August.

Humidity

In August, the average relative humidity in Ohio is 83%.

Rainfall

In Ohio, during August, the rain falls for 11.5 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Ohio, during the entire year, the rain falls for 114.5 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 47min.
On the first day of August, sunrise is at 5:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:32 pm CDT.

Sunshine

June through August, with an average of 9.6h of sunshine, are months with the most sunshine in Ohio.

UV index

The average daily maximum UV index in August in Ohio is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in August interprets into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are August temperatures in Ohio?

The high-temperature during August is 79.5°F (26.4°C) and the low-temperature is 62.1°F (16.7°C).

What is the average humidity in August in Ohio?

In August, the average relative humidity in Ohio, Illinois, is 83%.

How many days does it rain in August in Ohio?

In August, the rain falls for 11.5 days. Throughout August, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Ohio?

May through September are months without snowfall in Ohio.

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

In Ohio, the average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Ohio?

On the first day of August, sunrise is at 5:53 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:32 pm CDT.

What is the month with the most sunshine in Ohio?

June through August, with an average of 9.6h of sunshine, are months with the most sunshine in Ohio, Illinois.

How long on average sun shines in August in Ohio?

In Ohio, Illinois, the average sunshine duration in August is 9.6h.

What is the UV index reading in August in Ohio?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Ohio, IL

Average temperature in August - Ohio, IL
  • Average high temperature in August: 79.5°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in August
Ohio, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Ohio, IL

Average wind speed in August - Ohio, IL
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in August
Ohio, IL

Average humidity in August - Ohio, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Ohio, IL

Average rainfall in August - Ohio, IL
  • Average rainfall in August: 1.02"

The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Ohio, IL

Average rainfall days in August - Ohio, IL
  • Average rainfall days in August: 11.5 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in August
Ohio, IL

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

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Ohio, IL

Average snowfall days in August - Ohio, 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 May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Ohio, IL

Average daylight in August / Average sunshine in August - Ohio, IL
  • Average daylight in August: 13h and 5min

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).

  • Average sunshine in August: 9h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in August
Ohio, IL

Average sunshine days in August - Ohio, IL
  • Average sunshine days in August: 16.1 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is June (13.5 days).

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Average UV index in August
Ohio, IL

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Ohio, IL

Average cloud cover in August - Ohio, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in August
Ohio, IL

Average visibility in August - Ohio, IL
  • Average visibility in August: 5mi

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

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Ohio, Illinois, USA

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