August weather forecast
Concord, IL

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Weather in August

August, the last month of the summer in Concord, is also a moderately hot month, with an average temperature varying between 82.6°F (28.1°C) and 64.8°F (18.2°C).

Temperature

August's onset brings an average high-temperature of a still moderately hot 82.6°F (28.1°C), showing a minute difference from July's 83.3°F (28.5°C). An average low-temperature of 64.8°F (18.2°C) is expected in Concord during August.

Heat index

August's average heat index is computed to be a tropical 89.6°F (32°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

The average relative humidity in August in Concord is 80%.

Rainfall

In Concord, in August, it is raining for 13.5 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Concord, Illinois, there are 148.2 rainfall days, and 29.37" (746mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Concord, Illinois.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August, sunrise is at 6:01 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:33 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The months with the highest UV index in Concord are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 in August translates into these instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Concord during August?

The high-temperature, in August, in Concord, records 82.6°F (28.1°C), while the low-temperature is 64.8°F (18.2°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in August in Concord?

In August, the average relative humidity in Concord is 80%.

How much does it rain in Concord in August?

In Concord, in August, it is raining for 13.5 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Concord?

In Concord, Illinois, snow does not fall in May through September.

How many hours of daylight does Concord have in August?

In August, the average day length is 13h and 41min.

When are sunrise and sunset in August in Concord?

On the first day of August in Concord, Illinois, sunrise is at 6:01 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:33 pm CDT.

How long on average sun shines in August in Concord?

The average sunshine duration in August in Concord, Illinois, is 10h.

What is the month with the highest UV index in Concord?

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

What is the UV index reading in August in Concord?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Concord, IL

Average temperature in August - Concord, IL
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in August
Concord, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Concord, IL

Average wind speed in August - Concord, 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 July (6.1mph).

Average humidity in August
Concord, IL

Average humidity in August - Concord, IL
  • Average humidity in August: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Concord, IL

Average rainfall in August - Concord, IL
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in August
Concord, IL

Average rainfall days in August - Concord, IL
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and February (7.1 days).

Average snowfall in August
Concord, IL

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

The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Concord, IL

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

The month with the highest number of snowfall days is January (9.6 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
Concord, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
Concord, IL

Average sunshine days in August - Concord, IL
  • Average sunshine days in August: 15 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in August
Concord, IL

Average UV index in August - Concord, 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
Concord, IL

Average cloud cover in August - Concord, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility in August
Concord, IL

Average visibility in August - Concord, 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).

Concord, Illinois, USA

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