Ottawa Weather History Illinois, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 27 Apr, 2025 Weather in Ottawa

Sunrise: 05:58 AM Sunset: 07:49 PM	Moonrise: 05:35 AM Moonset: 08:10 PM	Max: 22.1 °c	Min: 1.9 °c	Avg: 11.3 °c	Precip: 0.00 mm	Max Wind: 17.3 kph

	Sun 27 0:00 am	Sun 27 3:00 am	Sun 27 6:00 am	Sun 27 9:00 am	Sun 27 12:00 pm	Sun 27 3:00 pm	Sun 27 6:00 pm	Sun 27 9:00 pm
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Temp	5.1°c	2.7°c	1.9°c	5.2°c	15.6°c	21.9°c	21.4°c	15.9°c
Wind	11.9 kmph	10.4 kmph	9.7 kmph	13.7 kmph	16.2 kmph	16.9 kmph	15.5 kmph	13.3 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	35%	51%	68%	68%	25%	3%	1%	17%
Humidity	84%	94%	95%	89%	60%	44%	51%	68%
Pressure	1027 mb	1027 mb	1027 mb	1027 mb	1024 mb	1021 mb	1020 mb	1020 mb

Ottawa Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-1°C / 30°F	-8°C / 17°F	-5°C / 24°F	119 hours	58.85 mm / 2.32 In	8 days	1020 mb / 31 In
February	1°C / 35°F	-7°C / 20°F	-3°C / 27°F	127 hours	64.89 mm / 2.55 In	7 days	1020 mb / 31 In
March	9°C / 49°F	0°C / 33°F	5°C / 40°F	150 hours	110.88 mm / 4.37 In	8 days	1018 mb / 31 In
April	15°C / 59°F	5°C / 42°F	10°C / 50°F	148 hours	141.26 mm / 5.56 In	9 days	1014 mb / 30 In
May	22°C / 71°F	12°C / 53°F	17°C / 62°F	175 hours	160.28 mm / 6.31 In	11 days	1015 mb / 30 In
June	26°C / 80°F	16°C / 62°F	22°C / 71°F	209 hours	160.60 mm / 6.32 In	10 days	1013 mb / 30 In
July	28°C / 82°F	18°C / 65°F	23°C / 73°F	219 hours	110.19 mm / 4.34 In	9 days	1015 mb / 30 In
August	27°C / 81°F	17°C / 63°F	22°C / 72°F	232 hours	94.87 mm / 3.74 In	8 days	1015 mb / 30 In
September	25°C / 77°F	14°C / 57°F	19°C / 66°F	236 hours	82.79 mm / 3.26 In	6 days	1017 mb / 31 In
October	17°C / 63°F	8°C / 46°F	12°C / 54°F	182 hours	110.92 mm / 4.37 In	7 days	1016 mb / 30 In
November	9°C / 49°F	1°C / 34°F	5°C / 41°F	180 hours	69.91 mm / 2.75 In	6 days	1019 mb / 31 In
December	3°C / 38°F	-4°C / 26°F	0°C / 31°F	132 hours	70.24 mm / 2.77 In	6 days	1019 mb / 31 In

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