August weather forecast
Carlinville, IL

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Weather in August

The last month of the summer, August, is another warm month in Carlinville, Illinois, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 64.9°F (18.3°C).

Temperature

The onset of August notes an average high-temperature of a still warm 82.6°F (28.1°C), subtly shifted from July's 83.8°F (28.8°C). Throughout August, Carlinville witnesses a consistent average low-temperature of 64.9°F (18.3°C).

Heat index

August's heat index is calculated to be a tropical 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Carlinville, in August, it is raining for 12.3 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 138.2 rainfall days, and 23.31" (592mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Carlinville, Illinois.

Daylight

In August, the average length of the day in Carlinville is 13h and 40min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:31 pm CDT.

Sunshine

In Carlinville, the average sunshine in August is 10h.

UV index

The months with the highest UV index in Carlinville are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is it in Carlinville in August?

The high-temperature, in August, in Carlinville, records 82.6°F (28.1°C), while the low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in August in Carlinville?

The average relative humidity in August is 80%.

How many days does it rain in August in Carlinville?

In August, the rain falls for 12.3 days. Throughout August, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Carlinville?

In Carlinville, snow does not fall in April through October.

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

In Carlinville, the average day length in August is 13h and 40min.

When are sunrise and sunset in August in Carlinville?

On the first day of August in Carlinville, Illinois, sunrise is at 6:00 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:31 pm CDT.

How long on average sun shines in August in Carlinville?

In Carlinville, Illinois, the average sunshine duration in August is 10h.

When is the highest UV index in Carlinville?

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

What is the UV index reading in August in Carlinville?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Carlinville, IL

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

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in August
Carlinville, IL

Average pressure in August - Carlinville, 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 (29.92"Hg).

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Average wind speed in August
Carlinville, IL

Average wind speed in August - Carlinville, IL
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in August
Carlinville, IL

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

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Carlinville, IL

Average rainfall in August - Carlinville, IL
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is June (3.07").
The driest months (with the least rainfall) are January and February (1.22").

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Average rainfall days in August
Carlinville, IL

Average rainfall days in August - Carlinville, IL
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in August
Carlinville, IL

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

The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Carlinville, IL

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

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Carlinville, 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 30min).

  • 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 24min).

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Average sunshine days in August
Carlinville, IL

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

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in August
Carlinville, IL

Average UV index in August - Carlinville, 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).

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Average cloud cover in August
Carlinville, IL

Average cloud cover in August - Carlinville, 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 August and September (Cloud cover 29).

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Average visibility in August
Carlinville, IL

Average visibility in August - Carlinville, 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).

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Carlinville, Illinois, USA

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