Grand Ronde December Weather Averages Oregon, United States of America

December Weather Averages for Grand Ronde

High Temp	7°C	45°F
Low Temp	1°C	34°F
Avg Temp	4°C	39°F
Sunshine Hours	88 hours
Rainfall	280.07 mm	11.03 In
Rain days	14 days
Pressure	1018 mb	31 In

Grand Ronde December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	6°C / 43°F	-1°C / 30°F	2°C / 35°F	177 hours	159.01 mm / 6.26 In	10 days	1018 mb / 31 In
2010	7°C / 45°F	1°C / 34°F	4°C / 39°F	35 hours	335.48 mm / 13.21 In	21 days	1012 mb / 30 In
2011	7°C / 44°F	-2°C / 28°F	1°C / 34°F	208 hours	103.24 mm / 4.06 In	7 days	1026 mb / 31 In
2012	6°C / 43°F	0°C / 33°F	3°C / 37°F	15 hours	340.51 mm / 13.41 In	20 days	1014 mb / 30 In
2013	5°C / 41°F	-4°C / 26°F	0°C / 32°F	144 hours	40.31 mm / 1.59 In	6 days	1026 mb / 31 In
2014	8°C / 47°F	3°C / 37°F	5°C / 42°F	70 hours	255.80 mm / 10.07 In	17 days	1017 mb / 30 In
2015	7°C / 44°F	1°C / 34°F	4°C / 39°F	37 hours	542.35 mm / 21.35 In	23 days	1014 mb / 30 In
2016	5°C / 40°F	-3°C / 26°F	0°C / 33°F	100 hours	173.96 mm / 6.85 In	12 days	1021 mb / 31 In
2017	7°C / 45°F	0°C / 32°F	3°C / 38°F	157 hours	105.14 mm / 4.14 In	6 days	1025 mb / 31 In
2018	8°C / 46°F	2°C / 35°F	4°C / 40°F	110 hours	220.32 mm / 8.67 In	14 days	1020 mb / 31 In
2019	8°C / 46°F	2°C / 35°F	4°C / 40°F	72 hours	219.99 mm / 8.66 In	15 days	1016 mb / 30 In
2020	8°C / 46°F	2°C / 35°F	5°C / 40°F	105 hours	202.09 mm / 7.96 In	13 days	1021 mb / 31 In
2021	6°C / 42°F	1°C / 34°F	3°C / 38°F	34 hours	257.70 mm / 10.15 In	19 days	1013 mb / 30 In
2022	6°C / 42°F	1°C / 33°F	3°C / 37°F	64 hours	221.60 mm / 8.72 In	17 days	1015 mb / 30 In
2023	10°C / 49°F	4°C / 39°F	6°C / 43°F	83 hours	437.60 mm / 17.23 In	13 days	1017 mb / 31 In
2024	8°C / 46°F	4°C / 39°F	6°C / 43°F	57 hours	550.21 mm / 21.66 In	16 days	1019 mb / 31 In
2025	9°C / 49°F	5°C / 42°F	7°C / 45°F	24 hours	595.80 mm / 23.46 In	16 days	1018 mb / 31 In

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