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Decatur weather in August 2020
- 2929°C max day temperature
- 88 days with some rainfall
- 1717°C min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 9393 mm of monthly rainfall
- 88 (Very High) UV index
The August weather guide for Decatur, Illinois shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in Decatur in August?
Daytime temperatures usually reach 29°C in Decatur in August with moderate heat and humidity, falling to 17°C at night.
How sunny is it in Decatur in August?
There are normally 9 hours of bright sunshine each day in Decatur in August - that's 67% of daylight hours.
Does it rain in Decatur in August?
There are usually 8 days with some rain in Decatur in August and the average monthly rainfall is 93mm.
Decatur sunrise & sunset times for August 2020
Browse the sunrise & sunset times for Decatur in August 2020. Select a month to view Decatur sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Saturday, 1st August 2020||05:55||20:09|
|Sunday, 16th August 2020||06:09||19:50|
|Monday, 31st August 2020||06:23||19:28|
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Metric (°C / mm) | Imperial (°F / inches)
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Where's hot in Illinois in August?
Below are average maximum temperatures at popular destinations in Illinois in August. Select a destination to see more weather parameters.
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