August weather forecast
Kildeer, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Kildeer, Illinois, with an average temperature ranging between min 63.5°F (17.5°C) and max 79.3°F (26.3°C).

Temperature

The onset of August notes an average high-temperature of a still warm 79.3°F (26.3°C), subtly shifted from July's 80.6°F (27°C). An average low-temperature of 63.5°F (17.5°C) is observed during August nights.

Humidity

In Kildeer, the average relative humidity in August is 78%.

Rainfall

In Kildeer, during August, the rain falls for 16.9 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 50min.
On the first day of August, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.1h of sunshine.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The high-temperature, in August, in Kildeer, records 79.3°F (26.3°C), while the low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August is 78%.

How much does it rain in August?

In Kildeer, in August, it is raining for 16.9 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Kildeer have in August?

In Kildeer, the average day length in August is 13h and 50min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.1h of sunshine.

How many hours of sunshine does Kildeer have in August?

The average sunshine duration in August is 10.1h.

What is the month with the highest UV index?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Kildeer, IL

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

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in August
Kildeer, IL

Average pressure in August - Kildeer, 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
Kildeer, IL

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

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in August
Kildeer, IL

Average humidity in August - Kildeer, IL
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Kildeer, IL

Average rainfall in August - Kildeer, IL
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in August
Kildeer, IL

Average rainfall days in August - Kildeer, IL
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in August
Kildeer, IL

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

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Kildeer, IL

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

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Kildeer, IL

Average daylight in August / Average sunshine in August - Kildeer, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Kildeer, IL

Average sunshine days in August - Kildeer, IL
  • Average sunshine days in August: 11.2 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in August
Kildeer, IL

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

The months with the highest UV index are 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
Kildeer, IL

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

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in August
Kildeer, IL

Average visibility in August - Kildeer, 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).

Kildeer, Illinois, USA

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