August weather forecast
Oconee, IL

Weather in August

The last month of the summer, August, is also a moderately hot month in Oconee, Illinois, with an average temperature varying between 64.9°F (18.3°C) and 81.9°F (27.7°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 81.9°F (27.7°C). The average low-temperature, in Oconee, Illinois, is 64.9°F (18.3°C).

Heat index

The average heat index in August is computed to be a tropical 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 81%.

Rainfall

In Oconee, it is raining for 12.6 days, with typically 1.61" (41mm) of accumulated precipitation. In Oconee, during the entire year, the rain falls for 129.9 days and collects up to 17.6" (447mm) of precipitation.

Snowfall

May through October are months without snowfall in Oconee.

Daylight

The average length of the day in August in Oconee is 13h and 40min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:29 pm CDT.

Sunshine

In August, the average sunshine in Oconee is 9.9h.

UV index

The months with the highest UV index in Oconee, Illinois, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Oconee?

In August, in Oconee, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 64.9°F (18.3°C). in August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in August in Oconee?

In Oconee, the average relative humidity in August is 81%.

How much does it rain in Oconee in August?

In Oconee, Illinois, in August, it is raining for 12.6 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow in Oconee?

May through October are months without snowfall in Oconee.

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

In Oconee, Illinois, the average day length in August is 13h and 40min.

When are sunrise and sunset in August in Oconee?

In August, on the first day of the month, sunrise is at 5:56 am and sunset at 8:09 pm. On the last day of the month, in Oconee, Illinois, sunrise is at 6:24 am and sunset at 7:29 pm CDT.

How many hours of sunshine does Oconee have in August?

The average sunshine duration in August in Oconee is 9.9h.

What are the months with the highest UV index in Oconee?

The months with the highest UV index in Oconee, Illinois, are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Oconee?

The average daily maximum UV index in August in Oconee is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Oconee, IL

Average temperature in August - Oconee, IL
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in August
Oconee, IL

Average pressure in August - Oconee, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Oconee, IL

Average wind speed in August - Oconee, IL
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in August
Oconee, IL

Average humidity in August - Oconee, IL
  • Average humidity in August: 81%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Oconee, IL

Average rainfall in August - Oconee, IL
  • Average rainfall in August: 1.61"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are February and December (0.98").

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Average rainfall days in August
Oconee, IL

Average rainfall days in August - Oconee, IL
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in August
Oconee, IL

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Oconee, IL

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

The months with the highest number of snowfall days are January and February (6.3 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
Oconee, IL

Average daylight in August / Average sunshine in August - Oconee, IL
  • Average daylight in August: 13h and 40min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in August: 9h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
Oconee, IL

Average sunshine days in August - Oconee, IL
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (13.1 days).

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Average UV index in August
Oconee, IL

Average UV index in August - Oconee, IL
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Oconee, IL

Average cloud cover in August - Oconee, IL
  • Average cloud cover in August: 30

The months with the most cloud cover are January and February (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).

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Average visibility in August
Oconee, IL

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

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

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