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
The initiation of August records an average high-temperature of a still warm 78.1°F (25.6°C), displaying a near consistency with the previous month. During the month of August, the nighttime temperature in Caledonia, Illinois, falls to an average of 60.4°F (15.8°C).Humidity
The average relative humidity in August in Caledonia is 84%.Rainfall
In Caledonia, Illinois, in August, during 11.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Caledonia, there are 123.8 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August in Caledonia is 13h and 50min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:14 pm. On the last day of August, in Caledonia, Illinois, sunrise is at 6:20 am and sunset at 7:30 pm CDT.
Sunshine
In Caledonia, the average sunshine in August is 9.6h.UV index
In August, the average daily maximum UV index in Caledonia is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In August, the UV index of 5 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Caledonia in August?
What is the average humidity in August in Caledonia?
How much does it rain in Caledonia in August?
When it does not snow in Caledonia?
How many hours of daylight does Caledonia have in August?
When are sunrise and sunset in August in Caledonia?
How long on average sun shines in August in Caledonia?
What is the UV index reading in August in Caledonia?
Average temperature in August
Caledonia, IL
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in August
Caledonia, IL
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Caledonia, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Caledonia, IL
- Average humidity in August: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Caledonia, IL
- Average rainfall in August: 1.3"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in August
Caledonia, IL
- Average rainfall days in August: 11.9 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in August
Caledonia, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Caledonia, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Caledonia, 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 6min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in August
Caledonia, IL
- Average sunshine days in August: 15.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in August
Caledonia, IL
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Caledonia, IL
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in August
Caledonia, IL
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Caledonia, Illinois, USA
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