August weather forecast
Elgin, IL

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Weather in August

August in Elgin characterizes the tail end of summer. Although temperatures begin to subside compared to July, they continue to thrive in the high range, extending the warmth of the summer season. Rainfall begins to pick up slightly, yet the generally dry conditions persist. Activities remain outdoor-centric as the city savors the last of summer. This period serves as a precursor to the season shift that is just around the corner.

Temperature

With August's arrival, Elgin's weather records an average high-temperature of a still moderately hot 79°F (26.1°C), marking little difference from July's 80.6°F (27°C). In Elgin, the August nights cool down to an average low of 62.2°F (16.8°C).

Humidity

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

Rainfall

In Elgin, Illinois, in August, it is raining for 17 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Elgin, there are 149.2 rainfall days, and 24.02" (610mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Elgin.

Daylight

The average length of the day in August in Elgin is 13h and 49min.
On the first day of August in Elgin, sunrise is at 5:47 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:27 pm CDT.

Sunshine

In Elgin, the average sunshine in August is 9.6h.

UV index

The months with the highest UV index in Elgin are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 in August translates into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the usual temperature for Elgin in August?

An average high-temperature, in August, in Elgin, is 79°F (26.1°C) and the average low-temperature is 62.2°F (16.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in August in Elgin?

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

How much does it rain in Elgin in August?

In Elgin, in August, it is raining for 17 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Elgin?

June through September are months without snowfall.

How many hours of daylight does Elgin have in August?

In August, the average day length is 13h and 49min.

When is the sunrise / sunset in August in Elgin?

In August, on the first day of the month, sunrise is at 5:47 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:27 pm CDT.

How long on average sun shines in August in Elgin?

The average sunshine duration in August is 9.6h.

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

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August in Elgin?

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

Average temperature in August - Elgin, IL
  • Average high temperature in August: 79°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in August
Elgin, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Elgin, IL

Average wind speed in August - Elgin, IL
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in August
Elgin, IL

Average humidity in August - Elgin, IL
  • Average humidity in August: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Elgin, IL

Average rainfall in August - Elgin, IL
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is December (1.1").

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Average rainfall days in August
Elgin, IL

Average rainfall days in August - Elgin, IL
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in August
Elgin, IL

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

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Elgin, IL

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

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Elgin, IL
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in August
Elgin, IL

Average sunshine days in August - Elgin, IL
  • Average sunshine days in August: 10.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in August
Elgin, IL

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Elgin, IL

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

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in August
Elgin, IL

Average visibility in August - Elgin, IL
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).

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Elgin, Illinois, USA

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