Rancho Cucamonga December Weather Averages California, United States of America

December Weather Averages for Rancho Cucamonga

High Temp	18°C	64°F
Low Temp	7°C	45°F
Avg Temp	11°C	53°F
Sunshine Hours	276 hours
Rainfall	115.55 mm	4.55 In
Rain days	4 days
Pressure	1018 mb	31 In

Rancho Cucamonga December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	15°C / 60°F	4°C / 40°F	9°C / 48°F	258 hours	103.56 mm / 4.08 In	5 days	1017 mb / 31 In
2010	17°C / 63°F	6°C / 43°F	11°C / 51°F	256 hours	363.00 mm / 14.29 In	9 days	1017 mb / 30 In
2011	17°C / 62°F	4°C / 39°F	9°C / 49°F	341 hours	13.30 mm / 0.52 In	1 days	1020 mb / 31 In
2012	15°C / 60°F	5°C / 41°F	9°C / 49°F	268 hours	67.10 mm / 2.64 In	4 days	1017 mb / 31 In
2013	19°C / 66°F	6°C / 42°F	11°C / 52°F	343 hours	18.10 mm / 0.71 In	2 days	1019 mb / 31 In
2014	16°C / 60°F	7°C / 45°F	11°C / 52°F	261 hours	126.68 mm / 4.99 In	7 days	1018 mb / 31 In
2015	17°C / 63°F	6°C / 43°F	11°C / 51°F	319 hours	34.80 mm / 1.37 In	3 days	1018 mb / 31 In
2016	17°C / 63°F	7°C / 45°F	11°C / 52°F	280 hours	129.22 mm / 5.09 In	6 days	1018 mb / 31 In
2017	22°C / 72°F	11°C / 52°F	16°C / 61°F	348 hours	0.40 mm / 0.02 In	0 days	1020 mb / 31 In
2018	19°C / 65°F	9°C / 49°F	13°C / 56°F	299 hours	57.59 mm / 2.27 In	4 days	1019 mb / 31 In
2019	16°C / 61°F	8°C / 46°F	11°C / 53°F	204 hours	143.34 mm / 5.64 In	7 days	1018 mb / 31 In
2020	19°C / 66°F	7°C / 45°F	12°C / 54°F	317 hours	29.27 mm / 1.15 In	1 days	1020 mb / 31 In
2021	16°C / 61°F	6°C / 44°F	10°C / 51°F	205 hours	217.20 mm / 8.55 In	8 days	1016 mb / 30 In
2022	16°C / 60°F	6°C / 42°F	10°C / 50°F	192 hours	85.80 mm / 3.38 In	5 days	1018 mb / 31 In
2023	19°C / 66°F	7°C / 45°F	12°C / 53°F	248 hours	43.96 mm / 1.73 In	2 days	1018 mb / 31 In
2024	20°C / 67°F	8°C / 47°F	13°C / 55°F	286 hours	0.00 mm / 0.00 In	0 days	1020 mb / 31 In
2025	20°C / 67°F	9°C / 49°F	14°C / 57°F	267 hours	531.10 mm / 20.91 In	3 days	1018 mb / 31 In

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