August weather forecast
Wheeler, IL

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Weather in August

August, the last month of the summer in Wheeler, is another warm month, with an average temperature ranging between min 64.6°F (18.1°C) and max 82.2°F (27.9°C).

Temperature

With August's arrival, Wheeler notes an average high-temperature of a still moderately hot 82.2°F (27.9°C), closely following the trend of the preceding month. The nights of August anticipate an average low-temperature of 64.6°F (18.1°C).

Heat index

August's heat index is estimated at a hot 89.6°F (32°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Heat index determinations are made taking into account the shade and light air movements. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The months with the highest humidity are July and August, with an average relative humidity of 81%.

Rainfall

In Wheeler, Illinois, in August, during 14.1 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Wheeler, during the entire year, the rain falls for 158.3 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:04 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:24 pm CDT.

Sunshine

The average sunshine in August is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 during August leads to these advisories:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature in Wheeler during August is 82.2°F (27.9°C) and the low-temperature is 64.6°F (18.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 89.6°F (32°C).

What is the most humid month?

July and August, with an average relative humidity of 81%, are most humid months.

What is the average humidity in August?

The average relative humidity in August in Wheeler is 81%.

How much does it rain in August?

In Wheeler, during August, the rain falls for 14.1 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow?

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

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

In Wheeler, the average day length in August is 13h and 39min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:54 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:24 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10h.

When is the highest UV index?

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

What is the UV index reading in August?

In Wheeler, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Wheeler, IL

Average temperature in August - Wheeler, IL
  • Average high temperature in August: 82.2°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 (36°F).

  • Average low temperature in August: 64.6°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 (23.4°F).

Average pressure in August
Wheeler, IL

Average pressure in August - Wheeler, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Wheeler, IL

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

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in August
Wheeler, IL

Average humidity in August - Wheeler, IL
  • Average humidity in August: 81%

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Wheeler, IL

Average rainfall in August - Wheeler, IL
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Wheeler, IL

Average rainfall days in August - Wheeler, IL
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).

Average snowfall in August
Wheeler, IL

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

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Wheeler, IL

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

The month with the highest number of snowfall days is January (6.3 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
Wheeler, IL

Average daylight in August / Average sunshine in August - Wheeler, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Wheeler, IL

Average sunshine days in August - Wheeler, IL
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in August
Wheeler, IL

Average UV index in August - Wheeler, 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
Wheeler, IL

Average cloud cover in August - Wheeler, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Wheeler, IL

Average visibility in August - Wheeler, 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).

Wheeler, Illinois, USA

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