August weather forecast
South Beloit, IL

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Weather in August

August, the last month of the summer in South Beloit, is also a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 60.3°F (15.7°C).

Temperature

The transition into August notes an average high-temperature of a still moderately hot 78.1°F (25.6°C), revealing a mild distinction from the 79.9°F (26.6°C) in July. South Beloit throughout August, records an average low-temperature of 60.3°F (15.7°C).

Humidity

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

Rainfall

In South Beloit, in August, during 13.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 122.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 51min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:15 pm. On the last day of August, in South Beloit, sunrise is at 6:20 am and sunset at 7:31 pm CDT.

Sunshine

July and August, with an average of 9.5h of sunshine, are months with the most sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 in August translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the average August temperature in South Beloit?

The average high-temperature, in August, in South Beloit, is 78.1°F (25.6°C), while the average low-temperature is 60.3°F (15.7°C).

What is the average humidity in August in South Beloit?

The average relative humidity in August in South Beloit is 83%.

How many days does it rain in August in South Beloit?

In South Beloit, in August, during 13.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in South Beloit?

In South Beloit, Illinois, snow does not fall in May through September.

How many hours of daylight does South Beloit have in August?

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

What time are sunrise and sunset in August in South Beloit?

On the first day of August, sunrise is at 5:49 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:31 pm CDT.

What is the month with the most sunshine in South Beloit?

July and August, with an average of 9.5h of sunshine, are months with the most sunshine in South Beloit, Illinois.

How many hours of sunshine does South Beloit have in August?

In August, the average sunshine duration in South Beloit, Illinois, is 9.5h.

How high is the UV index in August in South Beloit?

In August, the average daily maximum UV index in South Beloit, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
South Beloit, IL

Average temperature in August - South Beloit, IL
  • Average high temperature in August: 78.1°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 60.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

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Average pressure in August
South Beloit, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
South Beloit, IL

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

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in August
South Beloit, IL

Average humidity in August - South Beloit, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in August
South Beloit, IL

Average rainfall in August - South Beloit, IL
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is June (2.28").
The driest months (with the least rainfall) are February and December (0.67").

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Average rainfall days in August
South Beloit, IL

Average rainfall days in August - South Beloit, IL
  • Average rainfall days in August: 13.7 days

The months with the highest number of rainy days are May and June (15.3 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall in August
South Beloit, IL

Average snowfall in August - South Beloit, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
South Beloit, IL

Average snowfall days in August - South Beloit, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.5 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
South Beloit, IL

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).

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Average sunshine days in August
South Beloit, IL

Average sunshine days in August - South Beloit, IL
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (12.8 days).

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Average UV index in August
South Beloit, IL

Average UV index in August - South Beloit, IL
  • Average UV index in August: 5

The month with the highest UV index is June (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
South Beloit, IL

Average cloud cover in August - South Beloit, IL
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 35).

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Average visibility in August
South Beloit, IL

Average visibility in August - South Beloit, IL
  • Average visibility in August: 5mi

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

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South Beloit, Illinois, USA

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