| < May >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Ottawa, Il in May is very mild at 16.6 °C (61.88 °F).
- Afternoons can be really warm with average high temperatures reaching 22.8 °C (73 °F).
- Overnight temperatures are generally quite mild with an average low of 10.3 °C (50.5 °F).
- The mean diurnal temperature range/ variation in May is 12.5 °C (22.5 °F).
- The weather in May is hardly arid. Circa 96mm (3.8in) of liquid falls during.
- The shortest day is 13:56 long and the longest day is 14:53 long with an average length of 14:27.
Check the distance to and compare the Ottawa, Il May averages with somewhere beginning with:
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Weather Trend Graph for May in Ottawa, Il, Usa
Navigate to May Weather in Locations Surrounding Ottawa, Il:
- Morrison, Il, Usa - 120.8 kms (75 miles) NW
- Galva, Il, Usa - 89.3 kms (55.5 miles) WNW
- Minonk, Il, Usa - 11 kms (6.8 miles) SSW
- Peoria, Il, Usa - 68.4 kms (42.5 miles) WSW
- Decatur, Il, Usa - 111.2 kms (69.1 miles) S