August weather forecast
North Riverside, IL

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Weather in August

The last month of the summer, August, is another warm month in North Riverside, Illinois, with an average temperature fluctuating between 66.7°F (19.3°C) and 79.3°F (26.3°C).

Temperature

The commencement of August records an average high-temperature of a still warm 79.3°F (26.3°C), barely varying from July's 80.4°F (26.9°C). During August, the average low-temperature is recorded at an enjoyable 66.7°F (19.3°C).

Humidity

In North Riverside, the average relative humidity in August is 75%.

Rainfall

In North Riverside, during August, the rain falls for 9.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 92 rainfall days, and 7.4" (188mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August in North Riverside, Illinois, is 13h and 49min.
On the first day of August, sunrise is at 5:45 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:25 pm CDT.

Sunshine

The month with the most sunshine in North Riverside, Illinois, is August, with an average of 10.6h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in North Riverside. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in North Riverside?

An average high-temperature, in August, in North Riverside, is 79.3°F (26.3°C) and the average low-temperature is 66.7°F (19.3°C).

What is the average humidity in August in North Riverside?

The average relative humidity in August is 75%.

How much does it rain in North Riverside in August?

In North Riverside, in August, during 9.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

When it does not snow in North Riverside?

In North Riverside, snow does not fall in May through September.

What is the average length of the day in August in North Riverside?

In August, the average day length in North Riverside is 13h and 49min.

When are sunrise and sunset in August in North Riverside?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 8:09 pm. On the last day of the month, in North Riverside, Illinois, sunrise is at 6:16 am and sunset at 7:25 pm CDT.

What month has the most sunshine in North Riverside?

With an average of 10.6h of sunshine, August has the most sunshine of the year in North Riverside.

How many hours of sunshine does North Riverside have in August?

In North Riverside, Illinois, the average sunshine duration in August is 10.6h.

What are the months with the highest UV index in North Riverside?

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

What is the UV index intensity in August in North Riverside?

In August, the average daily maximum UV index in North Riverside is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
North Riverside, IL

Average temperature in August - North Riverside, IL
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in August
North Riverside, IL

Average pressure in August - North Riverside, IL
  • Average pressure in August: 29.98"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
North Riverside, IL

Average wind speed in August - North Riverside, IL
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in August
North Riverside, IL

Average humidity in August - North Riverside, IL
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
North Riverside, IL

Average rainfall in August - North Riverside, IL
  • Average rainfall in August: 0.63"

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").

Average rainfall days in August
North Riverside, IL

Average rainfall days in August - North Riverside, IL
  • Average rainfall days in August: 9.5 days

The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in August
North Riverside, IL

Average snowfall in August - North Riverside, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
North Riverside, IL

Average snowfall days in August - North Riverside, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
North Riverside, IL

Average daylight in August / Average sunshine in August - North Riverside, 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 12min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
North Riverside, IL

Average sunshine days in August - North Riverside, IL
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).

Average UV index in August
North Riverside, IL

Average UV index in August - North Riverside, 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 and December (UV index 1).

Average cloud cover in August
North Riverside, IL

Average cloud cover in August - North Riverside, IL
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
North Riverside, IL

Average visibility in August - North Riverside, IL
  • Average visibility in August: 6mi

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

North Riverside, Illinois, USA

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