August weather forecast
Sheffield, IL

Weather in August

August, the last month of the summer in Sheffield, is another warm month, with an average temperature fluctuating between 62.6°F (17°C) and 80.1°F (26.7°C).

Temperature

In Sheffield, the average high-temperature in August is essentially the same as in July - a still moderately hot 80.1°F (26.7°C). In Sheffield, in August, the average low-temperature is 62.6°F (17°C).

Humidity

In August, the average relative humidity in Sheffield is 82%.

Rainfall

In Sheffield, it is raining for 13.8 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Sheffield, the average length of the day in August is 13h and 47min.
On the first day of August, sunrise is at 5:54 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:33 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

In August, the average daily maximum UV index in Sheffield is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 5 in August transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the temperature in August in Sheffield?

In Sheffield, in August, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in August in Sheffield?

In Sheffield, the average relative humidity in August is 82%.

How many days does it rain in August in Sheffield?

In Sheffield, Illinois, during August, the rain falls for 13.8 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Sheffield?

May through September are months without snowfall in Sheffield, Illinois.

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

In August, the average day length in Sheffield, Illinois, is 13h and 47min.

When are sunrise and sunset in August in Sheffield?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:16 pm. On the last day of the month, in Sheffield, sunrise is at 6:24 am and sunset at 7:33 pm CDT.

How long on average sun shines in August in Sheffield?

In August, the average sunshine duration is 9.8h.

How high is the UV index in August in Sheffield?

In August, the average daily maximum UV index in Sheffield is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Sheffield, IL

Average temperature in August - Sheffield, IL
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

[Resources]

Average pressure in August
Sheffield, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in August
Sheffield, IL

Average wind speed in August - Sheffield, IL
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

[Resources]

Average humidity in August
Sheffield, IL

Average humidity in August - Sheffield, IL
  • Average humidity in August: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in August
Sheffield, IL

Average rainfall in August - Sheffield, IL
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").

[Resources]

Average rainfall days in August
Sheffield, IL

Average rainfall days in August - Sheffield, IL
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).

[Resources]

Average snowfall in August
Sheffield, IL

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

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in August
Sheffield, IL

Average snowfall days in August - Sheffield, 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).

[Resources]

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

Average daylight in August / Average sunshine in August - Sheffield, IL
  • Average daylight in August: 13h and 47min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

  • Average sunshine in August: 9h and 48min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in August
Sheffield, IL

Average sunshine days in August - Sheffield, IL
  • Average sunshine days in August: 14.4 days

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

[Resources]

Average UV index in August
Sheffield, IL

Average UV index in August - Sheffield, IL
  • Average UV index in August: 5

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

[Resources]

Average cloud cover in August
Sheffield, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).

[Resources]

Average visibility in August
Sheffield, IL

Average visibility in August - Sheffield, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location