August weather forecast
Pleasant Plains, IL

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Weather in August

The last month of the summer, August, is another warm month in Pleasant Plains, Illinois, with an average temperature ranging between min 64°F (17.8°C) and max 82°F (27.8°C).

Temperature

Pleasant Plains, Illinois, commences August with an average high-temperature of a still warm 82°F (27.8°C), maintaining a close resemblance to the previous month. Throughout the month of August, Pleasant Plains expects an average low of 64°F (17.8°C).

Heat index

The heat index value during August is computed to be a tropical 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in August in Pleasant Plains is 81%.

Rainfall

In Pleasant Plains, in August, during 13.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Pleasant Plains, during the entire year, the rain falls for 146.4 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

May through September are months without snowfall in Pleasant Plains.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August in Pleasant Plains, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm CDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

The months with the highest UV index in Pleasant Plains are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the temperature in August in Pleasant Plains?

The high-temperature, in August, in Pleasant Plains, records 82°F (27.8°C), while the low-temperature is 64°F (17.8°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the average humidity in August in Pleasant Plains?

In Pleasant Plains, the average relative humidity in August is 81%.

How many days does it rain in August in Pleasant Plains?

In Pleasant Plains, in August, during 13.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Pleasant Plains?

In Pleasant Plains, Illinois, snow does not fall in May through September.

How many hours of daylight does Pleasant Plains have in August?

In Pleasant Plains, Illinois, the average day length in August is 13h and 41min.

What time are sunrise and sunset in August in Pleasant Plains?

On the first day of August in Pleasant Plains, sunrise is at 5:59 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:32 pm CDT.

How many hours of sunshine does Pleasant Plains have in August?

The average sunshine duration in August is 9.7h.

When is the highest UV index in Pleasant Plains?

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

How high is the UV index in August in Pleasant Plains?

The average daily maximum UV index in August in Pleasant Plains, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Pleasant Plains, IL

Average temperature in August - Pleasant Plains, IL
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in August
Pleasant Plains, IL

Average pressure in August - Pleasant Plains, IL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Pleasant Plains, IL

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

The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in August
Pleasant Plains, IL

Average humidity in August - Pleasant Plains, IL
  • Average humidity in August: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Pleasant Plains, IL

Average rainfall in August - Pleasant Plains, IL
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is December (1.5").

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Average rainfall days in August
Pleasant Plains, IL

Average rainfall days in August - Pleasant Plains, IL
  • Average rainfall days in August: 13.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in August
Pleasant Plains, IL

Average snowfall in August - Pleasant Plains, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Pleasant Plains, IL

Average snowfall days in August - Pleasant Plains, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Pleasant Plains, IL

Average daylight in August / Average sunshine in August - Pleasant Plains, 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 4min

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 6min).

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Average sunshine days in August
Pleasant Plains, IL

Average sunshine days in August - Pleasant Plains, IL
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in August
Pleasant Plains, IL

Average UV index in August - Pleasant Plains, 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).

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Average cloud cover in August
Pleasant Plains, IL

Average cloud cover in August - Pleasant Plains, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Pleasant Plains, IL

Average visibility in August - Pleasant Plains, 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).

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Pleasant Plains, Illinois, USA

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