August weather forecast
Combs, IL

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Weather in August

August, the last month of the summer in Combs, is another warm month, with an average temperature varying between 63.3°F (17.4°C) and 81°F (27.2°C).

Temperature

As Combs transitions from July to August, the average high-temperatures adjust to a still warm 81°F (27.2°C), nearly the same as the previous 81.9°F (27.7°C). Combs cools down to an average low-temperature of 63.3°F (17.4°C) throughout the month of August.

Heat index

The heat index value for August is estimated at a hot 87.8°F (31°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in August in Combs is 83%.

Rainfall

In Combs, during August, the rain falls for 12.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Combs, there are 127.9 rainfall days, and 16.61" (422mm) of precipitation is accumulated.

Snowfall

In Combs, Illinois, snow does not fall in May through October.

Daylight

In August, the average length of the day in Combs is 13h and 43min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:08 pm. On the last day of August, in Combs, sunrise is at 6:21 am and sunset at 7:27 pm CDT.

Sunshine

In August, the average sunshine in Combs is 9.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Combs?

The high-temperature, in August, in Combs, records 81°F (27.2°C), while the low-temperature is 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in August in Combs?

The average relative humidity in August in Combs, Illinois, is 83%.

How many days does it rain in August in Combs?

In Combs, Illinois, during August, the rain falls for 12.4 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Combs?

May through October are months without snowfall in Combs, Illinois.

What is the average length of the day in August in Combs?

In August, the average day length is 13h and 43min.

What time are sunrise and sunset in August in Combs?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:08 pm. On the last day of the month, in Combs, sunrise is at 6:21 am and sunset at 7:27 pm CDT.

How many hours of sunshine does Combs have in August?

In August, the average sunshine duration is 9.7h.

When is the highest UV index in Combs?

June through 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 Combs?

The average daily maximum UV index in August in Combs, Illinois, is 6. A UV Index of 6 to 7 symbolizes 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
Combs, IL

Average temperature in August - Combs, IL
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in August: 63.3°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 (20.3°F).

Average pressure in August
Combs, IL

Average pressure in August - Combs, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Combs, IL

Average wind speed in August - Combs, IL
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Combs, IL

Average humidity in August - Combs, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Combs, IL

Average rainfall in August - Combs, IL
  • Average rainfall in August: 1.54"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is December (0.91").

Average rainfall days in August
Combs, IL

Average rainfall days in August - Combs, IL
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in August
Combs, IL

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Combs, IL

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Combs, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Combs, IL

Average sunshine days in August - Combs, IL
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in August
Combs, IL

Average UV index in August - Combs, 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, February, November and December (UV index 2).

Average cloud cover in August
Combs, IL

Average cloud cover in August - Combs, IL
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in August
Combs, IL

Average visibility in August - Combs, 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).

Combs, Illinois, USA

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