Ontario December Weather Averages Oregon, United States of America

December Weather Averages for Ontario

High Temp	2°C	36°F
Low Temp	-4°C	25°F
Avg Temp	-1°C	30°F
Sunshine Hours	156 hours
Rainfall	62.71 mm	2.47 In
Rain days	8 days
Pressure	1023 mb	31 In

Ontario December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	2°C / 36°F	-5°C / 23°F	-1°C / 29°F	145 hours	50.85 mm / 2.00 In	8 days	1019 mb / 31 In
2009	0°C / 32°F	-7°C / 20°F	-4°C / 26°F	214 hours	76.69 mm / 3.02 In	8 days	1023 mb / 31 In
2010	1°C / 34°F	-5°C / 24°F	-2°C / 29°F	95 hours	110.08 mm / 4.33 In	14 days	1018 mb / 31 In
2011	3°C / 38°F	-4°C / 25°F	-1°C / 31°F	323 hours	9.99 mm / 0.39 In	1 days	1027 mb / 31 In
2012	4°C / 39°F	-2°C / 28°F	1°C / 34°F	184 hours	47.32 mm / 1.86 In	7 days	1017 mb / 31 In
2013	0°C / 32°F	-8°C / 18°F	-4°C / 25°F	217 hours	10.60 mm / 0.42 In	4 days	1026 mb / 31 In
2014	6°C / 43°F	0°C / 31°F	2°C / 36°F	172 hours	54.70 mm / 2.15 In	7 days	1020 mb / 31 In
2015	2°C / 35°F	-4°C / 24°F	-1°C / 30°F	90 hours	99.13 mm / 3.90 In	15 days	1020 mb / 31 In
2016	-3°C / 26°F	-11°C / 13°F	-7°C / 20°F	154 hours	73.38 mm / 2.89 In	13 days	1025 mb / 31 In
2017	1°C / 34°F	-5°C / 24°F	-2°C / 28°F	214 hours	13.80 mm / 0.54 In	4 days	1028 mb / 31 In
2018	3°C / 38°F	-3°C / 26°F	0°C / 32°F	198 hours	23.30 mm / 0.92 In	4 days	1025 mb / 31 In
2019	4°C / 39°F	-1°C / 30°F	1°C / 34°F	112 hours	24.70 mm / 0.97 In	4 days	1021 mb / 31 In
2020	3°C / 38°F	-3°C / 26°F	0°C / 31°F	193 hours	18.64 mm / 0.73 In	6 days	1025 mb / 31 In
2021	4°C / 40°F	-3°C / 27°F	0°C / 33°F	106 hours	43.70 mm / 1.72 In	9 days	1016 mb / 30 In
2022	-1°C / 31°F	-7°C / 20°F	-4°C / 25°F	42 hours	65.70 mm / 2.59 In	12 days	1024 mb / 31 In
2023	5°C / 41°F	-2°C / 29°F	1°C / 34°F	147 hours	37.85 mm / 1.49 In	7 days	1024 mb / 31 In
2024	3°C / 37°F	-2°C / 29°F	0°C / 33°F	36 hours	293.72 mm / 11.56 In	7 days	1026 mb / 31 In

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