August weather forecast
Berwyn, IL

englishespañol中文
Share

Weather in August

August largely mirrors the hot weather of July, demonstrating a continuation of the summer season in Berwyn. Comparatively, August records only slightly lower temperatures than the preceding month of July. One of the salient features of August is its noteworthy pressure readings, which average around 29.98" (761mm). Despite the searing heat of the day, Berwyn residents are treated to reasonably cooler evenings facilitated by a minimal reduction in temperature. Unsurprisingly, Berwyn adheres to summertime norms with ample daylight hours, hot temperatures, and occasional rainfall.

Temperature

The advent of August reveals an average high-temperature of a still moderately hot 79.3°F (26.3°C), showing minimal difference from the prior month. In August, the recorded average low-temperature is a comfortable 66.7°F (19.3°C).

Humidity

In August, the average relative humidity in Berwyn is 75%.

Rainfall

In Berwyn, in August, it is raining for 9.5 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Berwyn, there are 92 rainfall days, and 7.4" (188mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Berwyn, the average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:09 pm. On the last day of August, in Berwyn, sunrise is at 6:16 am and sunset at 7:25 pm CDT.

Sunshine

The month with the most sunshine is August, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Berwyn are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 in August translates into this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
[Resources]

Frequently asked questions

What are the temperatures in Berwyn in August?

In August, in Berwyn, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 66.7°F (19.3°C).

What is the average humidity in August in Berwyn?

The average relative humidity in August is 75%.

How many days does it rain in August in Berwyn?

In Berwyn, in August, it is raining for 9.5 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Berwyn?

May through September are months without snowfall in Berwyn.

How many hours of daylight does Berwyn have in August?

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

What time are sunrise and sunset in August in Berwyn?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 8:09 pm. On the last day of the month, in Berwyn, sunrise is at 6:16 am and sunset at 7:25 pm CDT.

What month has the most sunshine in Berwyn?

August has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in August in Berwyn?

In August, the average sunshine duration in Berwyn, Illinois, is 10.6h.

When is the highest UV index in Berwyn?

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

What is the UV index intensity in August in Berwyn?

The average daily maximum UV index in August in Berwyn, Illinois, is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Berwyn, IL

Average temperature in August - Berwyn, IL
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

[Resources]

Average pressure in August
Berwyn, IL

Average pressure in August - Berwyn, 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).

[Resources]

Average wind speed in August
Berwyn, IL

Average wind speed in August - Berwyn, IL
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

[Resources]

Average humidity in August
Berwyn, IL

Average humidity in August - Berwyn, IL
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in August
Berwyn, IL

Average rainfall in August - Berwyn, IL
  • Average rainfall in August: 0.63"

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").

[Resources]

Average rainfall days in August
Berwyn, IL

Average rainfall days in August - Berwyn, IL
  • Average rainfall days in August: 9.5 days

The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).

[Resources]

Average snowfall in August
Berwyn, IL

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in August
Berwyn, IL

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

The month with the highest number of snowfall days is February (7.3 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
Berwyn, IL

Average daylight in August / Average sunshine in August - Berwyn, 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: 10h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

[Resources]

Average sunshine days in August
Berwyn, IL

Average sunshine days in August - Berwyn, IL
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).

[Resources]

Average UV index in August
Berwyn, IL

Average UV index in August - Berwyn, 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 and December (UV index 1).

[Resources]

Average cloud cover in August
Berwyn, IL

Average cloud cover in August - Berwyn, IL
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

[Resources]

Average visibility in August
Berwyn, IL

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

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

[Resources]

Berwyn, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location