August weather forecast
Henning, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Henning, Illinois, with an average temperature fluctuating between 63°F (17.2°C) and 80.2°F (26.8°C).

Temperature

The commencement of August brings an average high-temperature of a still moderately hot 80.2°F (26.8°C), marking an inconsequential divergence from July. In August, Henning experiences a temperature dip to an average of 63°F (17.2°C) at night.

Humidity

The average relative humidity in August is 83%.

Rainfall

In Henning, in August, it is raining for 14.3 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in Henning, there are 146.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day 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

In Henning, the average sunshine in August is 9.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Henning in August?

In Henning, 80.2°F (26.8°C) is the average high-temperature and 63°F (17.2°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Henning?

The average relative humidity in August in Henning is 83%.

How many days does it rain in August in Henning?

In Henning, during August, the rain falls for 14.3 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Henning?

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

How many hours of daylight does Henning have in August?

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

When are sunrise and sunset in August in Henning?

In August, on the first day of the month, 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 long on average sun shines in August in Henning?

The average sunshine duration in August in Henning is 9.8h.

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

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

What is the UV index intensity in August in Henning?

The average daily maximum UV index in August in Henning is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Henning, IL

Average temperature in August - Henning, IL
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in August
Henning, IL

Average pressure in August - Henning, 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
Henning, IL

Average wind speed in August - Henning, IL
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in August
Henning, IL

Average humidity in August - Henning, IL
  • Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Henning, IL

Average rainfall in August - Henning, IL
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").

Average rainfall days in August
Henning, IL

Average rainfall days in August - Henning, IL
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in August
Henning, IL

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

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Henning, IL

Average snowfall days in August - Henning, 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).

Average daylight in August /
Average sunshine in August
Henning, IL

Average daylight in August / Average sunshine in August - Henning, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Henning, IL

Average sunshine days in August - Henning, IL
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in August
Henning, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Henning, IL

Average cloud cover in August - Henning, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).

Average visibility in August
Henning, IL

Average visibility in August - Henning, 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).

Henning, Illinois, USA

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