August weather forecast
Danville, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Danville, Illinois, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 63.3°F (17.4°C).

Temperature

Danville's weather in August displays an average high-temperature of a still moderately hot 80.6°F (27°C), showing minor disparity from July's 81.3°F (27.4°C). Danville's nighttime temperature in August falls to an average of 63.3°F (17.4°C).

Heat index

In August, the average heat index is appraised at a tropical 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The average relative humidity in August is 83%.

Rainfall

In Danville, in August, it is raining for 14.6 days, with typically 2.24" (57mm) of accumulated precipitation. In Danville, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:23 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

The average high-temperature, in August, in Danville, is 80.6°F (27°C), while the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in August?

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

How much does it rain in Danville in August?

In Danville, during August, the rain falls for 14.6 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Danville have in August?

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

What time are sunrise and sunset in August?

On the first day of August in Danville, sunrise is at 5:49 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:23 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 9.9h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Danville, IL

Average temperature in August - Danville, IL
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°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 (20.5°F).

Average pressure in August
Danville, IL

Average pressure in August - Danville, 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 (29.93"Hg).

Average wind speed in August
Danville, IL

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in August
Danville, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Danville, IL

Average rainfall in August - Danville, IL
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in August
Danville, IL

Average rainfall days in August - Danville, IL
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in August
Danville, IL

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Danville, IL

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

The month with the highest number of snowfall days is January (10.6 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
Danville, IL

Average daylight in August / Average sunshine in August - Danville, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Danville, IL

Average sunshine days in August - Danville, IL
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in August
Danville, IL

Average UV index in August - Danville, 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
Danville, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in August
Danville, IL

Average visibility in August - Danville, 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).

Danville, Illinois, USA

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