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
Cissna Park's shift from July to August is accompanied by an average high-temperature of a still moderately hot 79.5°F (26.4°C), a slight deviation from 81°F (27.2°C). During August, an average low-temperature of 62.6°F (17°C) is observed.Humidity
The average relative humidity in August in Cissna Park is 84%.Rainfall
In Cissna Park, during August, the rain falls for 13.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Cissna Park, during the entire year, the rain falls for 143.2 days and collects up to 22.24" (565mm) of precipitation.Snowfall
In Cissna Park, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:06 pm. On the last day of August, in Cissna Park, sunrise is at 6:18 am and sunset at 7:24 pm CDT.
Sunshine
The average sunshine in August is 9.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. 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: An average UV index of 6 in August transforms into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Cissna Park?
What is the average humidity in August in Cissna Park?
How much does it rain in Cissna Park in August?
When it does not snow in Cissna Park?
What is the average length of the day in August in Cissna Park?
When is the sunrise / sunset in August in Cissna Park?
How long on average sun shines in August in Cissna Park?
What is the month with the highest UV index in Cissna Park?
What is the UV index intensity in August in Cissna Park?
Average temperature in August
Cissna Park, IL
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°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 (19°F).
Average pressure in August
Cissna Park, 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 (29.93"Hg).
Average wind speed in August
Cissna Park, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Cissna Park, 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
Cissna Park, IL
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in August
Cissna Park, IL
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in August
Cissna Park, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Cissna Park, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.4 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
Cissna Park, IL
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 5min
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
Cissna Park, IL
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Cissna Park, 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, February, November and December (UV index 2).
Average cloud cover in August
Cissna Park, 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
Cissna Park, 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).
Cissna Park, Illinois, USA
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