August weather forecast
Mansfield, IL

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Weather in August

The last month of the summer, August, is another warm month in Mansfield, Illinois, with an average temperature ranging between min 63.1°F (17.3°C) and max 80.2°F (26.8°C).

Temperature

The advent of August presents an average high-temperature of a still warm 80.2°F (26.8°C), maintaining a close correlation with the preceding month. During August, the temperature is averaged to a low of 63.1°F (17.3°C) at night.

Humidity

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

Rainfall

In Mansfield, during August, the rain falls for 14.1 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 152.9 rainfall days, and 29.72" (755mm) of precipitation is accumulated.

Snowfall

In Mansfield, snow does not fall in May through September.

Daylight

In August, the average length of the day in Mansfield is 13h and 43min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:07 pm. On the last day of August, in Mansfield, sunrise is at 6:21 am and sunset at 7:26 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

The months with the highest UV index in Mansfield are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 suggests this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mansfield in August?

In Mansfield, in August, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 63.1°F (17.3°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in August in Mansfield?

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

How many days does it rain in August in Mansfield?

In Mansfield, Illinois, during August, the rain falls for 14.1 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Mansfield?

In Mansfield, snow does not fall in May through September.

How many hours of daylight does Mansfield have in August?

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

When are sunrise and sunset in August in Mansfield?

In August, on the first day of the month, sunrise is at 5:52 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:26 pm CDT.

How long on average sun shines in August in Mansfield?

The average sunshine duration in August in Mansfield, Illinois, is 9.9h.

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

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

What is the UV index reading in August in Mansfield?

In August, the average daily maximum UV index in Mansfield, Illinois, is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Mansfield, IL

Average temperature in August - Mansfield, 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: 63.1°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 (19.9°F).

Average pressure in August
Mansfield, IL

Average pressure in August - Mansfield, 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 (29.92"Hg).

Average wind speed in August
Mansfield, IL

Average wind speed in August - Mansfield, IL
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Mansfield, IL

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

Average rainfall in August
Mansfield, IL

Average rainfall in August - Mansfield, IL
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.65").

Average rainfall days in August
Mansfield, IL

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

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in August
Mansfield, IL

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

The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Mansfield, IL

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

The month with the highest number of snowfall days is January (11.4 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
Mansfield, IL

Average daylight in August / Average sunshine in August - Mansfield, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Mansfield, IL

Average sunshine days in August - Mansfield, IL
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in August
Mansfield, IL

Average UV index in August - Mansfield, 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
Mansfield, IL

Average cloud cover in August - Mansfield, IL
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in August
Mansfield, IL

Average visibility in August - Mansfield, 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).

Mansfield, Illinois, USA

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