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
During August, Crescent City records an average high-temperature of a still warm 79.9°F (26.6°C), marking a slight divergence from July's 81°F (27.2°C). Crescent City in August anticipates an average nighttime temperature of 62.6°F (17°C).Humidity
In Crescent City, the average relative humidity in August is 84%.Rainfall
In Crescent City, Illinois, in August, during 13 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 130.7 rainfall days, and 17.13" (435mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Crescent City, the average length of the day in August is 13h and 45min.On the first day of August, sunrise is at 5:48 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:24 pm CDT.
Sunshine
The average sunshine in August is 9.7h.UV index
In Crescent City, Illinois, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In August, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow in Crescent City?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Crescent City have in August?
What is the UV index intensity in August?
Average temperature in August
Crescent City, IL
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in August
Crescent City, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Crescent City, IL
- Average wind speed in August: 6.3mph
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 (6.3mph).
Average humidity in August
Crescent City, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Crescent City, IL
- Average rainfall in August: 1.5"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days in August
Crescent City, IL
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall in August
Crescent City, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Crescent City, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.6 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
Crescent City, IL
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Crescent City, IL
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in August
Crescent City, 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 December (UV index 1).
Average cloud cover in August
Crescent City, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in August
Crescent City, 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).
Crescent City, Illinois, USA
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