August weather forecast
Sunnyside, IL

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Weather in August

The last month of the summer, August, is another warm month in Sunnyside, Illinois, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 61.3°F (16.3°C).

Temperature

The onset of August notes an average high-temperature of a still warm 78.1°F (25.6°C), subtly shifted from July's 79.7°F (26.5°C). An average minimum temperature of 61.3°F (16.3°C) is recorded in Sunnyside during the month of August.

Humidity

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

Rainfall

In August, the rain falls for 16.1 days. Throughout August, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 152.4 rainfall days, and 28.07" (713mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Sunnyside.

Daylight

The average length of the day in August in Sunnyside is 13h and 51min.
On the first day of August, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:28 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10h of sunshine.

UV index

With an average maximum UV index of 6, August is the month with the highest UV index in Sunnyside. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 6 in August leads to these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are August temperatures in Sunnyside?

Sunnyside in August has an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 61.3°F (16.3°C).

What is the average humidity in August in Sunnyside?

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

How many days does it rain in August in Sunnyside?

In Sunnyside, Illinois, in August, it is raining for 16.1 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Sunnyside?

June through September are months without snowfall.

How many hours of daylight does Sunnyside have in August?

In Sunnyside, Illinois, the average day length in August is 13h and 51min.

When are sunrise and sunset in August in Sunnyside?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:28 pm CDT.

What is the month with the most sunshine in Sunnyside?

The months with the most sunshine are July and August, with an average of 10h of sunshine.

How many hours of sunshine does Sunnyside have in August?

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

What is the month with the highest UV index in Sunnyside?

With an average maximum UV index of 6, August is the month with the highest UV index in Sunnyside.

What is the UV index intensity in August in Sunnyside?

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

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

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in August: 61.3°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
Sunnyside, IL

Average pressure in August - Sunnyside, 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 (29.92"Hg).

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Average wind speed in August
Sunnyside, IL

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

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in August
Sunnyside, IL

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

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

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Average rainfall in August
Sunnyside, IL

Average rainfall in August - Sunnyside, IL
  • Average rainfall in August: 2.56"

The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").

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Average rainfall days in August
Sunnyside, IL

Average rainfall days in August - Sunnyside, IL
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in August
Sunnyside, IL

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

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Sunnyside, IL

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

The month with the highest number of snowfall days is January (13.3 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
Sunnyside, IL

Average daylight in August / Average sunshine in August - Sunnyside, 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: 10h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in August
Sunnyside, IL

Average sunshine days in August - Sunnyside, IL
  • Average sunshine days in August: 12.4 days

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in August
Sunnyside, IL

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

The month with the highest UV index is August (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
Sunnyside, IL

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

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in August
Sunnyside, IL

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

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

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Sunnyside, Illinois, USA

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