August weather forecast
Mechanicsburg, IL

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Weather in August

August, the last month of the summer in Mechanicsburg, is also a moderately hot month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 64°F (17.8°C).

Temperature

Mechanicsburg marks the arrival of August with an average high-temperature of a still warm 81.9°F (27.7°C), hardly different from July's 82.8°F (28.2°C). During the month of August, Mechanicsburg experiences a steady low-temperature average of 64°F (17.8°C).

Heat index

The heat index value during August is estimated at a tropical 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in August in Mechanicsburg is 81%.

Rainfall

In August, the rain falls for 14.5 days. Throughout August, 2.17" (55mm) of precipitation is accumulated. Throughout the year, in Mechanicsburg, there are 141.7 rainfall days, and 22.72" (577mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:29 pm CDT.

Sunshine

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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Mechanicsburg?

In August, the average high-temperature and low-temperature in Mechanicsburg, Illinois, are 81.9°F (27.7°C) and 64°F (17.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 87.8°F (31°C).

What is the average humidity in August in Mechanicsburg?

In Mechanicsburg, Illinois, the average relative humidity in August is 81%.

How much does it rain in Mechanicsburg in August?

In Mechanicsburg, during August, the rain falls for 14.5 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Mechanicsburg?

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

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

The average day length in August in Mechanicsburg, Illinois, is 13h and 41min.

When are sunrise and sunset in August in Mechanicsburg?

On the first day of August, sunrise is at 5:57 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:29 pm CDT.

How many hours of sunshine does Mechanicsburg have in August?

The average sunshine duration in August is 9.8h.

What are the months with the highest UV index in Mechanicsburg?

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

What is the UV index intensity in August in Mechanicsburg?

The average daily maximum UV index in August in Mechanicsburg is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Mechanicsburg, IL

Average temperature in August - Mechanicsburg, IL
  • Average high temperature in August: 81.9°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 (33.4°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 (21.4°F).

Average pressure in August
Mechanicsburg, IL

Average pressure in August - Mechanicsburg, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Mechanicsburg, IL

Average wind speed in August - Mechanicsburg, 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
Mechanicsburg, IL

Average humidity in August - Mechanicsburg, 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%).

Average rainfall in August
Mechanicsburg, IL

Average rainfall in August - Mechanicsburg, IL
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is December (1.14").

Average rainfall days in August
Mechanicsburg, IL

Average rainfall days in August - Mechanicsburg, IL
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in August
Mechanicsburg, IL

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Mechanicsburg, IL

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

The month with the highest number of snowfall days is January (8.3 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
Mechanicsburg, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Mechanicsburg, IL

Average sunshine days in August - Mechanicsburg, IL
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (11 days).

Average UV index in August
Mechanicsburg, IL

Average UV index in August - Mechanicsburg, 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
Mechanicsburg, IL

Average cloud cover in August - Mechanicsburg, IL
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in August
Mechanicsburg, IL

Average visibility in August - Mechanicsburg, 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).

Mechanicsburg, Illinois, USA

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