August weather forecast
Bartelso, IL

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Weather in August

August, the last month of the summer in Bartelso, is also a moderately hot month, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.8°F (18.8°C).

Temperature

The onset of August notes an average high-temperature of a still warm 83.8°F (28.8°C), subtly shifted from July's 85.1°F (29.5°C). Throughout August, the nighttime temperature averages to a refreshing 65.8°F (18.8°C).

Heat index

In August, the average heat index is evaluated at a hot 93.2°F (34°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

July and August, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Bartelso, in August, during 14.1 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Bartelso, during the entire year, the rain falls for 157.2 days and collects up to 36.18" (919mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 37min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:07 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:28 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

May 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 threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In August, the average high-temperature and low-temperature are 83.8°F (28.8°C) and 65.8°F (18.8°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is evaluated at 93.2°F (34°C).

What are the most humid months?

The months with the highest humidity are July and August, with an average relative humidity of 80%.

What is the average humidity in August?

In August, the average relative humidity is 80%.

How many days does it rain in August?

In August, the rain falls for 14.1 days. Throughout August, 3.11" (79mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Bartelso have in August?

The average day length in August is 13h and 37min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:28 pm CDT.

How many hours of sunshine does Bartelso have in August?

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

What is the month with the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index 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
Bartelso, IL

Average temperature in August - Bartelso, IL
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in August
Bartelso, IL

Average pressure in August - Bartelso, 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
Bartelso, IL

Average wind speed in August - Bartelso, IL
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in August
Bartelso, IL

Average humidity in August - Bartelso, IL
  • Average humidity in August: 80%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Bartelso, IL

Average rainfall in August - Bartelso, IL
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in August
Bartelso, IL

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

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in August
Bartelso, IL

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Bartelso, IL

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

The month with the highest number of snowfall days is January (7.5 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
Bartelso, IL

Average daylight in August / Average sunshine in August - Bartelso, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
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 30min).

Average sunshine days in August
Bartelso, IL

Average sunshine days in August - Bartelso, IL
  • Average sunshine days in August: 15.1 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in August
Bartelso, IL

Average UV index in August - Bartelso, IL
  • Average UV index in August: 6

The months with the highest UV index are May, 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
Bartelso, IL

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

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in August
Bartelso, IL

Average visibility in August - Bartelso, 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).

Bartelso, Illinois, USA

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