August weather forecast
Warsaw, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Warsaw, Illinois, with an average temperature ranging between min 64°F (17.8°C) and max 82.9°F (28.3°C).

Temperature

As Warsaw steps into August, the average high-temperature is measured at a still moderately hot 82.9°F (28.3°C), displaying minor differences from July's 83.7°F (28.7°C). Nighttime temperature dips to a mean of 64°F (17.8°C) during August.

Heat index

For August, the heat index is calculated to be a tropical 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. 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 essentially critical for children. 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

In Warsaw, the average relative humidity in August is 78%.

Rainfall

In Warsaw, in August, it is raining for 12.2 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Warsaw, there are 140.6 rainfall days, and 27.72" (704mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Warsaw, Illinois, the average length of the day in August is 13h and 43min.
On the first day of August in Warsaw, sunrise is at 6:04 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:38 pm CDT.

Sunshine

The average sunshine in August is 10.1h.

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 unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot is it in Warsaw in August?

The high-temperature, in August, in Warsaw, records 82.9°F (28.3°C), while the low-temperature is 64°F (17.8°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in August in Warsaw?

The average relative humidity in August in Warsaw, Illinois, is 78%.

How many days does it rain in August in Warsaw?

In Warsaw, during August, the rain falls for 12.2 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Warsaw?

May through September are months without snowfall in Warsaw.

How many hours of daylight does Warsaw have in August?

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

What time are sunrise and sunset in August in Warsaw?

On the first day of August, sunrise is at 6:04 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:38 pm CDT.

How long on average sun shines in August in Warsaw?

In August, the average sunshine duration is 10.1h.

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

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

How high is the UV index in August in Warsaw?

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

Average temperature in August - Warsaw, IL
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in August: 64°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 (19.2°F).

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Average pressure in August
Warsaw, IL

Average pressure in August - Warsaw, 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 (29.9"Hg).

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Average wind speed in August
Warsaw, IL

Average wind speed in August - Warsaw, IL
  • Average wind speed in August: 6.6mph

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 (6.6mph).

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Average humidity in August
Warsaw, IL

Average humidity in August - Warsaw, 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 (70%).

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Average rainfall in August
Warsaw, IL

Average rainfall in August - Warsaw, IL
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in August
Warsaw, IL

Average rainfall days in August - Warsaw, IL
  • Average rainfall days in August: 12.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in August
Warsaw, IL

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

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Warsaw, IL

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

The month with the highest number of snowfall days is January (9.8 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
Warsaw, IL

Average daylight in August / Average sunshine in August - Warsaw, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in August
Warsaw, IL

Average sunshine days in August - Warsaw, IL
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in August
Warsaw, IL

Average UV index in August - Warsaw, 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
Warsaw, IL

Average cloud cover in August - Warsaw, IL
  • Average cloud cover in August: 28

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

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Average visibility in August
Warsaw, IL

Average visibility in August - Warsaw, 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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Warsaw, Illinois, USA

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