August weather forecast
Oakland, IL

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Weather in August

The last month of the summer, August, is another warm month in Oakland, Illinois, with an average temperature ranging between min 63.9°F (17.7°C) and max 81°F (27.2°C).

Temperature

August's arrival shows an average high-temperature of a still moderately hot 81°F (27.2°C), hardly different from the previous month. Throughout the August nights, Oakland encounters a low-temperature of 63.9°F (17.7°C).

Heat index

August's average heat index is calculated to be a tropical 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

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

Rainfall

In August, the rain falls for 15 days. Throughout August, 2.32" (59mm) of precipitation is accumulated. In Oakland, during the entire year, the rain falls for 151.5 days and collects up to 25.71" (653mm) of precipitation.

Snowfall

May through September are months without snowfall in Oakland.

Daylight

In Oakland, the average length of the day in August is 13h and 41min.
On the first day of August in Oakland, sunrise is at 5:52 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:24 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The months with the highest UV index in Oakland are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the average August temperature in Oakland?

In August, in Oakland, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 86°F (30°C).

What is the average humidity in August in Oakland?

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

How much does it rain in Oakland in August?

In August, in Oakland, Illinois, the rain falls for 15 days. Throughout August, 2.32" (59mm) of precipitation is accumulated.

When it does not snow in Oakland?

May through September are months without snowfall in Oakland.

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

In August, the average day length in Oakland, Illinois, is 13h and 41min.

What time are sunrise and sunset in August in Oakland?

On the first day of August, sunrise is at 5:52 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:24 pm CDT.

How long on average sun shines in August in Oakland?

In Oakland, the average sunshine duration in August is 10h.

When is the highest UV index in Oakland?

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

What is the UV index reading in August in Oakland?

In Oakland, Illinois, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Oakland, IL

Average temperature in August - Oakland, IL
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in August
Oakland, IL

Average pressure in August - Oakland, 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 (29.93"Hg).

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Average wind speed in August
Oakland, IL

Average wind speed in August - Oakland, IL
  • Average wind speed in August: 6.3mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in August
Oakland, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Oakland, IL

Average rainfall in August - Oakland, IL
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is February (1.38").

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Average rainfall days in August
Oakland, IL

Average rainfall days in August - Oakland, IL
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in August
Oakland, IL

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Oakland, IL

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

The month with the highest number of snowfall days is January (8.5 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
Oakland, IL

Average daylight in August / Average sunshine in August - Oakland, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 0min

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 6min).

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Average sunshine days in August
Oakland, IL

Average sunshine days in August - Oakland, IL
  • Average sunshine days in August: 11.8 days

The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in August
Oakland, IL

Average UV index in August - Oakland, 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
Oakland, IL

Average cloud cover in August - Oakland, IL
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in August
Oakland, IL

Average visibility in August - Oakland, 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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Oakland, Illinois, USA

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