Weather in August in Ottawa, Il

< August >
	Normal Max/ High Temperature	29°C (83°F)
	Average Temperature	23°C (73°F)
	Min/ Low Temperature	17°C (62°F)
	Normal Precipitation	94mm (3.7in)
	Average Daylight per day	13h 46'
	Sun altitude at solar noon on the 21st day.	61°

The average temperature in Ottawa, Il in August is really warm at 22.8 °C (73.04 °F).
Afternoons can be very hot with average high temperatures reaching 28.6 °C (83.5 °F).
Overnight temperatures are generally very mild with an average low of 16.9 °C (62.4 °F).
The average daily temperature variation/ range in August is 11.7 °C (21.1 °F).
Precipitation averages for August are high with 94.2mm (3.7 in) recorded.
The shortest day is 13h 08' long and the longest day is 14h 21' long with an average length of 13h 46'.

Weather Trend Graph for August in Ottawa, Il, Usa

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