Ottawa Weather History Ontario, Canada

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
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Fri 04 Sep, 2026 Weather in Ottawa

Sunrise: 06:28 AM Sunset: 07:35 PM	Moonrise: 11:04 PM Moonset: 03:00 PM	Max: 23.6 °c	Min: 15.8 °c	Avg: 19.7 °c	Precip: 0.05 mm	Max Wind: 17.3 kph

	Fri 04 0:00 am	Fri 04 3:00 am	Fri 04 6:00 am	Fri 04 9:00 am	Fri 04 12:00 pm	Fri 04 3:00 pm	Fri 04 6:00 pm	Fri 04 9:00 pm
Icon
Temp	18.5°c	17.4°c	15.9°c	19.3°c	22.8°c	23.4°c	21.7°c	18.9°c
Wind	5.4 kmph	7.9 kmph	7.9 kmph	14.0 kmph	15.8 kmph	16.9 kmph	10.8 kmph	9.7 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.01 mm
Cloud	0%	1%	0%	9%	40%	44%	100%	53%
Humidity	82%	86%	92%	76%	67%	62%	67%	75%
Pressure	1012 mb	1011 mb	1011 mb	1013 mb	1012 mb	1011 mb	1011 mb	1013 mb

Ottawa Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	-5°C / 22°F	-14°C / 8°F	-9°C / 15°F	83 hours	82.15 mm / 3.23 In	10 days	1016 mb / 30 In
February	-4°C / 25°F	-13°C / 9°F	-8°C / 18°F	71 hours	80.84 mm / 3.18 In	10 days	1017 mb / 31 In
March	2°C / 35°F	-6°C / 21°F	-2°C / 28°F	94 hours	112.65 mm / 4.44 In	8 days	1017 mb / 31 In
April	10°C / 50°F	1°C / 34°F	5°C / 41°F	116 hours	148.88 mm / 5.86 In	9 days	1015 mb / 30 In
May	18°C / 64°F	8°C / 46°F	13°C / 55°F	162 hours	97.36 mm / 3.83 In	8 days	1015 mb / 30 In
June	23°C / 73°F	13°C / 55°F	18°C / 64°F	170 hours	121.27 mm / 4.77 In	8 days	1012 mb / 30 In
July	26°C / 79°F	16°C / 61°F	21°C / 70°F	205 hours	109.71 mm / 4.32 In	8 days	1013 mb / 30 In
August	25°C / 76°F	15°C / 59°F	20°C / 68°F	201 hours	117.60 mm / 4.63 In	9 days	1014 mb / 30 In
September	21°C / 69°F	11°C / 53°F	16°C / 61°F	199 hours	96.27 mm / 3.79 In	6 days	1017 mb / 31 In
October	13°C / 55°F	6°C / 42°F	9°C / 48°F	138 hours	115.60 mm / 4.55 In	8 days	1016 mb / 30 In
November	5°C / 41°F	-1°C / 30°F	2°C / 35°F	129 hours	89.20 mm / 3.51 In	9 days	1017 mb / 31 In
December	-1°C / 29°F	-7°C / 19°F	-4°C / 24°F	88 hours	107.41 mm / 4.23 In	11 days	1017 mb / 31 In

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