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
August experiences an average high-temperature of a still warm 79.3°F (26.3°C), barely different from July's 80.1°F (26.7°C). An average low-temperature of 66°F (18.9°C) is common during the nights of August.Humidity
The average relative humidity in August in Calumet City, Illinois, is 77%.Rainfall
In Calumet City, in August, during 11 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Calumet City, during the entire year, the rain falls for 110.3 days and collects up to 10.31" (262mm) of precipitation.Snowfall
In Calumet City, snow does not fall in May through September.Daylight
In Calumet City, the average length of the day in August is 13h and 48min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:07 pm. On the last day of August, in Calumet City, sunrise is at 6:15 am and sunset at 7:24 pm CDT.
Sunshine
August has the most sunshine of the year, with an average of 10.4h 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 6 in August leads to these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the temperature in August in Calumet City?
What is the average humidity in August in Calumet City?
How many days does it rain in August in Calumet City?
When it does not snow in Calumet City?
How many hours of daylight does Calumet City have in August?
What time are sunrise and sunset in August in Calumet City?
What month has the most sunshine in Calumet City?
How many hours of sunshine does Calumet City have in August?
When is the highest UV index in Calumet City?
What is the UV index intensity in August in Calumet City?
Average temperature in August
Calumet City, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in August: 66°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in August
Calumet City, 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
Calumet City, IL
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Calumet City, IL
- Average humidity in August: 77%
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
Calumet City, IL
- Average rainfall in August: 0.98"
The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in August
Calumet City, IL
- Average rainfall days in August: 11 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in August
Calumet City, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Calumet City, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 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
Calumet City, IL
- Average daylight in August: 13h and 5min
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 12min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Calumet City, IL
- Average sunshine days in August: 15.6 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in August
Calumet City, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Calumet City, IL
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Calumet City, 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).
Calumet City, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
