Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Berkeley in August witnesses an average high-temperature of a still moderately hot 80.2°F (26.8°C), indicating a slight variation from July's 81.9°F (27.7°C). Throughout the month of August, Berkeley reports a steady low-temperature average of 65.7°F (18.7°C).Humidity
In August, the average relative humidity in Berkeley, Illinois, is 74%.Rainfall
In Berkeley, during August, the rain falls for 16.6 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Berkeley, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Berkeley, snow does not fall in June through September.Daylight
In Berkeley, Illinois, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:26 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.1h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 6 during August translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Berkeley?
What is the average humidity in August in Berkeley?
How much does it rain in Berkeley in August?
When it does not snow in Berkeley?
What is the average length of the day in August in Berkeley?
What time are sunrise and sunset in August in Berkeley?
What are the months with the most sunshine in Berkeley?
How many hours of sunshine does Berkeley have in August?
What is the month with the highest UV index in Berkeley?
What is the UV index intensity in August in Berkeley?
Average temperature in August
Berkeley, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Berkeley, 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).
Average wind speed in August
Berkeley, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Berkeley, IL
- Average humidity in August: 74%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Berkeley, IL
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in August
Berkeley, IL
- Average rainfall days in August: 16.6 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in August
Berkeley, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Berkeley, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Berkeley, 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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Berkeley, IL
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in August
Berkeley, 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).
Average cloud cover in August
Berkeley, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Berkeley, 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).
Berkeley, Illinois, USA
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