August weather forecast
Kewanee, IL

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Weather in August

August, the last month of the summer in Kewanee, is another warm month, with an average temperature varying between 62.6°F (17°C) and 80.1°F (26.7°C).

Temperature

Transitioning into August, Kewanee experiences an average high-temperature of a still warm 80.1°F (26.7°C), marking a minor shift from the preceding month. Kewanee registers a consistent average low-temperature of 62.6°F (17°C) during August.

Humidity

The average relative humidity in August in Kewanee is 82%.

Rainfall

In Kewanee, during August, the rain falls for 13.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Kewanee, during the entire year, the rain falls for 147.2 days and collects up to 29.17" (741mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 5:55 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:33 pm CDT.

Sunshine

In Kewanee, the average sunshine in August is 9.8h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Kewanee?

In Kewanee, in August, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Kewanee?

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

How many days does it rain in August in Kewanee?

In Kewanee, in August, it is raining for 13.8 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Kewanee?

May through September are months without snowfall in Kewanee.

How many hours of daylight does Kewanee have in August?

In Kewanee, the average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Kewanee?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:16 pm. On the last day of the month, in Kewanee, Illinois, sunrise is at 6:25 am and sunset at 7:33 pm CDT.

How many hours of sunshine does Kewanee have in August?

The average sunshine duration in August in Kewanee, Illinois, is 9.8h.

How high is the UV index in August in Kewanee?

The average daily maximum UV index in August in Kewanee is 5. A UV Index value of 3 to 5 symbolizes 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
Kewanee, IL

Average temperature in August - Kewanee, IL
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in August
Kewanee, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Kewanee, IL

Average wind speed in August - Kewanee, IL
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in August
Kewanee, IL

Average humidity in August - Kewanee, 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 (72%).

Average rainfall in August
Kewanee, IL

Average rainfall in August - Kewanee, IL
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").

Average rainfall days in August
Kewanee, IL

Average rainfall days in August - Kewanee, IL
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in August
Kewanee, IL

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

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Kewanee, IL

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

The month with the highest number of snowfall days is January (11.4 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
Kewanee, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Kewanee, IL

Average sunshine days in August - Kewanee, IL
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in August
Kewanee, IL

Average UV index in August - Kewanee, IL
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Kewanee, IL

Average cloud cover in August - Kewanee, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in August
Kewanee, IL

Average visibility in August - Kewanee, 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).

Kewanee, Illinois, USA

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