Ontario Weather History California, United States of America

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Mon 03 Nov, 2025 Weather in Ontario

Sunrise: 06:12 AM Sunset: 04:55 PM	Moonrise: 03:38 PM Moonset: 03:59 AM	Max: 24.2 °c	Min: 16.2 °c	Avg: 19.2 °c	Precip: 0.00 mm	Max Wind: 12.2 kph

	Mon 03 0:00 am	Mon 03 3:00 am	Mon 03 6:00 am	Mon 03 9:00 am	Mon 03 12:00 pm	Mon 03 3:00 pm	Mon 03 6:00 pm	Mon 03 9:00 pm
Icon
Temp	17.0°c	16.4°c	17.5°c	20.9°c	23.7°c	22.3°c	18.9°c	16.7°c
Wind	1.4 kmph	4.0 kmph	2.2 kmph	3.2 kmph	7.6 kmph	11.2 kmph	10.1 kmph	5.4 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	19%	14%	59%	60%	59%	98%	91%	64%
Humidity	47%	39%	31%	25%	25%	32%	45%	52%
Pressure	1008 mb	1014 mb	1017 mb	1018 mb	1017 mb	1016 mb	1016 mb	1018 mb

Ontario Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	18°C / 65°F	7°C / 45°F	12°C / 54°F	277 hours	65.22 mm / 2.57 In	4 days	1019 mb / 31 In
February	18°C / 65°F	7°C / 45°F	12°C / 54°F	246 hours	89.83 mm / 3.54 In	4 days	1017 mb / 31 In
March	20°C / 68°F	9°C / 47°F	14°C / 56°F	268 hours	70.53 mm / 2.78 In	4 days	1016 mb / 30 In
April	23°C / 74°F	11°C / 51°F	16°C / 61°F	303 hours	24.59 mm / 0.97 In	2 days	1014 mb / 30 In
May	25°C / 77°F	13°C / 55°F	19°C / 65°F	326 hours	9.09 mm / 0.36 In	1 days	1013 mb / 30 In
June	30°C / 85°F	16°C / 61°F	22°C / 72°F	344 hours	1.13 mm / 0.04 In	0 days	1011 mb / 30 In
July	33°C / 91°F	20°C / 67°F	26°C / 78°F	360 hours	2.10 mm / 0.08 In	1 days	1012 mb / 30 In
August	34°C / 92°F	20°C / 68°F	26°C / 79°F	359 hours	7.58 mm / 0.30 In	1 days	1012 mb / 30 In
September	32°C / 89°F	19°C / 66°F	25°C / 76°F	337 hours	5.34 mm / 0.21 In	1 days	1012 mb / 30 In
October	27°C / 81°F	15°C / 59°F	20°C / 68°F	318 hours	18.25 mm / 0.72 In	1 days	1014 mb / 30 In
November	22°C / 72°F	11°C / 51°F	15°C / 60°F	307 hours	23.38 mm / 0.92 In	2 days	1017 mb / 31 In
December	18°C / 64°F	8°C / 46°F	12°C / 53°F	280 hours	83.20 mm / 3.28 In	4 days	1018 mb / 31 In

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