August weather forecast
Lexington, IL

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Weather in August

August, the last month of the summer in Lexington, is also a moderately hot month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 62.8°F (17.1°C).

Temperature

Lexington observes an average high-temperature of a still moderately hot 80.1°F (26.7°C) in August, barely different from 80.8°F (27.1°C) in July. Throughout the nights in August, Lexington experiences an average low-temperature of 62.8°F (17.1°C).

Humidity

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

Rainfall

In Lexington, in August, during 12.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Lexington, there are 129.6 rainfall days, and 16.73" (425mm) of precipitation is accumulated.

Snowfall

In Lexington, snow does not fall in May through October.

Daylight

In August, the average length of the day in Lexington is 13h and 44min.
On the first day of August in Lexington, Illinois, sunrise is at 5:52 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:28 pm CDT.

Sunshine

In Lexington, the average sunshine in August is 9.8h.

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 threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Lexington?

The average high-temperature, in August, in Lexington, is 80.1°F (26.7°C), while the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 86°F (30°C).

What is the average humidity in August in Lexington?

In August, the average relative humidity is 83%.

How many days does it rain in August in Lexington?

In Lexington, Illinois, in August, it is raining for 12.3 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Lexington?

May through October are months without snowfall.

How many hours of daylight does Lexington have in August?

In August, the average day length in Lexington, Illinois, is 13h and 44min.

What time are sunrise and sunset in August in Lexington?

In August, on the first day of the month, sunrise is at 5:52 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:28 pm CDT.

How many hours of sunshine does Lexington have in August?

In Lexington, Illinois, the average sunshine duration in August is 9.8h.

What are the months with the highest UV index in Lexington?

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

What is the UV index reading in August in Lexington?

In Lexington, Illinois, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Lexington, IL

Average temperature in August - Lexington, IL
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in August
Lexington, IL

Average pressure in August - Lexington, 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
Lexington, IL

Average wind speed in August - Lexington, IL
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
Lexington, IL

Average humidity in August - Lexington, 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 (71%).

Average rainfall in August
Lexington, IL

Average rainfall in August - Lexington, IL
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in August
Lexington, IL

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

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Lexington, IL

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

The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Lexington, IL

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

The month with the highest number of snowfall days is January (9.9 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
Lexington, IL

Average daylight in August / Average sunshine in August - Lexington, 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 18min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Lexington, IL

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

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is May (11 days).

Average UV index in August
Lexington, IL

Average UV index in August - Lexington, 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
Lexington, IL

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in August
Lexington, IL

Average visibility in August - Lexington, 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).

Lexington, Illinois, USA

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