August weather forecast
Sunnyside, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Sunnyside, Illinois, with an average temperature ranging between min 61.3°F (16.3°C) and max 78.1°F (25.6°C).

Temperature

As July turns into August, the average high-temperatures rest at a still moderately hot 78.1°F (25.6°C), showing a minor variation from the prior month. Throughout August, an average low-temperature of 61.3°F (16.3°C) is experienced.

Humidity

The average relative humidity in August is 82%.

Rainfall

In Sunnyside, during August, the rain falls for 16.1 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Sunnyside, during the entire year, the rain falls for 152.4 days and collects up to 28.07" (713mm) of precipitation.

Snowfall

In Sunnyside, snow does not fall in June through September.

Daylight

In August, the average length of the day 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

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

UV index

The month with the highest UV index is August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during August leads to these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sunnyside in August?

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

How much does it rain in August?

In August, the rain falls for 16.1 days. Throughout August, 2.56" (65mm) of precipitation is accumulated.

When it does not snow?

In Sunnyside, snow does not fall in June through September.

How many hours of daylight does Sunnyside have in August?

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

What time are sunrise and sunset in August?

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.

What are the months with the most sunshine?

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

How long on average sun shines in August?

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

When is the highest UV index?

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

What is the UV index reading in August?

In Sunnyside, the average daily maximum UV index in August 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 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Sunnyside, Illinois, USA

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