Weather in Peoria in August
How warm is it in Peoria in August?
In August the typical daytime high in Peoria is 28.6 °C on average, from 29.3 °C at the start to 27.9 °C at the end of the month.
That is 1.0 °C cooler than in July and 3.1 °C warmer than in September.
The last 10 years were 0.5 °C cooler than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Rock Is L&D (123 km) and Cedar Rapids (225 km); nearer ones count more.