August weather forecast
Liberty, IL

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Weather in August

August, the last month of the summer in Liberty, is another warm month, with an average temperature varying between 82.9°F (28.3°C) and 64.9°F (18.3°C).

Temperature

The arrival of August coincides with an average high-temperature of a still moderately hot 82.9°F (28.3°C), indicating a minimal shift from July's 83.8°F (28.8°C). August nights are marked by an average temperature drop to a comfortable 64.9°F (18.3°C).

Heat index

August's average heat index is evaluated at a tropical 91.4°F (33°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 13 days. Throughout August, 2.01" (51mm) of precipitation is accumulated. In Liberty, during the entire year, the rain falls for 134.2 days and collects up to 23.15" (588mm) of precipitation.

Snowfall

May through September are months without snowfall in Liberty.

Daylight

In August, the average length of the day is 13h and 41min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:36 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

How hot does it get in Liberty in August?

August temperatures vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 64.9°F (18.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 91.4°F (33°C).

What is the average humidity in August?

The average relative humidity in August is 78%.

How much does it rain in August?

In Liberty, during August, the rain falls for 13 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow?

In Liberty, snow does not fall in May through September.

What is the average length of the day in August?

The average day length in August is 13h and 41min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:36 pm CDT.

How many hours of sunshine does Liberty have in August?

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

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.

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Liberty, IL

Average temperature in August - Liberty, IL
  • Average high temperature in August: 82.9°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 (32.7°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in August
Liberty, IL

Average pressure in August - Liberty, 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
Liberty, IL

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

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in August
Liberty, IL

Average humidity in August - Liberty, IL
  • Average humidity in August: 78%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Liberty, IL

Average rainfall in August - Liberty, IL
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January and December (1.02").

Average rainfall days in August
Liberty, IL

Average rainfall days in August - Liberty, IL
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5 days).

Average snowfall in August
Liberty, IL

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

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Liberty, IL

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

The month with the highest number of snowfall days is January (8.8 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
Liberty, IL

Average daylight in August / Average sunshine in August - Liberty, 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: 10h and 0min

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

Average sunshine days in August
Liberty, IL

Average sunshine days in August - Liberty, IL
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in August
Liberty, IL

Average UV index in August - Liberty, 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
Liberty, IL

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

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Liberty, IL

Average visibility in August - Liberty, 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).

Liberty, Illinois, USA

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