August weather forecast
Belgium, IL

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Weather in August

August, the last month of the summer in Belgium, is also a moderately hot month, with an average temperature fluctuating between 63.3°F (17.4°C) and 80.6°F (27°C).

Temperature

The advent of August denotes an average high-temperature of a still warm 80.6°F (27°C), subtly different from July's 81.3°F (27.4°C). Throughout August nights, Belgium experiences a consistent temperature average of 63.3°F (17.4°C).

Heat index

For most parts of August, the heat index is estimated at a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The average relative humidity in August is 83%.

Rainfall

In August, the rain falls for 14.6 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Belgium, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

In Belgium, Illinois, snow does not fall in May through October.

Daylight

The average length of the day in August in Belgium, Illinois, 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 6:18 am and sunset at 7:23 pm CDT.

Sunshine

The average sunshine in August in Belgium is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Belgium. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during August leads to these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Belgium?

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

What is the average humidity in August in Belgium?

In August, the average relative humidity in Belgium is 83%.

How much does it rain in Belgium in August?

In August, the rain falls for 14.6 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Belgium?

In Belgium, Illinois, snow does not fall in May through October.

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

The average day length in August in Belgium, Illinois, is 13h and 43min.

What time are sunrise and sunset in August in Belgium?

On the first day of August in Belgium, sunrise is at 5:49 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:23 pm CDT.

How many hours of sunshine does Belgium have in August?

In August, the average sunshine duration in Belgium is 9.9h.

When is the highest UV index in Belgium?

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

What is the UV index intensity in August in Belgium?

In Belgium, Illinois, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes 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
Belgium, IL

Average temperature in August - Belgium, 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
Belgium, IL

Average pressure in August - Belgium, 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
Belgium, IL

Average wind speed in August - Belgium, 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
Belgium, IL

Average humidity in August - Belgium, 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
Belgium, IL

Average rainfall in August - Belgium, 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
Belgium, IL

Average rainfall days in August - Belgium, 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
Belgium, IL

Average snowfall in August - Belgium, 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
Belgium, IL

Average snowfall days in August - Belgium, 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
Belgium, IL

Average daylight in August / Average sunshine in August - Belgium, 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
Belgium, IL

Average sunshine days in August - Belgium, 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
Belgium, IL

Average UV index in August - Belgium, 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
Belgium, IL

Average cloud cover in August - Belgium, 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
Belgium, IL

Average visibility in August - Belgium, 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).

Belgium, Illinois, USA

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