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	12°C	53°F
Sunshine Hours	279 hours
Rainfall	83.38 mm	3.28 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
2008	15°C / 59°F	4°C / 40°F	9°C / 48°F	256 hours	105.88 mm / 4.17 In	5 days	1018 mb / 31 In
2009	16°C / 60°F	5°C / 40°F	9°C / 48°F	259 hours	93.50 mm / 3.68 In	5 days	1017 mb / 31 In
2010	17°C / 63°F	7°C / 44°F	11°C / 52°F	256 hours	343.53 mm / 13.52 In	9 days	1017 mb / 30 In
2011	17°C / 63°F	4°C / 40°F	10°C / 49°F	344 hours	16.20 mm / 0.64 In	1 days	1020 mb / 31 In
2012	16°C / 60°F	6°C / 42°F	10°C / 50°F	287 hours	58.70 mm / 2.31 In	5 days	1017 mb / 31 In
2013	19°C / 66°F	6°C / 43°F	11°C / 53°F	340 hours	16.20 mm / 0.64 In	2 days	1019 mb / 31 In
2014	16°C / 61°F	7°C / 45°F	11°C / 52°F	261 hours	126.10 mm / 4.96 In	7 days	1018 mb / 31 In
2015	17°C / 63°F	6°C / 43°F	11°C / 52°F	336 hours	27.70 mm / 1.09 In	2 days	1018 mb / 31 In
2016	17°C / 63°F	7°C / 45°F	11°C / 53°F	279 hours	122.18 mm / 4.81 In	6 days	1018 mb / 31 In
2017	23°C / 73°F	11°C / 52°F	16°C / 61°F	348 hours	0.20 mm / 0.01 In	0 days	1020 mb / 31 In
2018	19°C / 66°F	10°C / 49°F	14°C / 57°F	305 hours	62.80 mm / 2.47 In	4 days	1019 mb / 31 In
2019	16°C / 61°F	8°C / 47°F	12°C / 53°F	207 hours	135.88 mm / 5.35 In	6 days	1018 mb / 31 In
2020	19°C / 67°F	8°C / 47°F	13°C / 56°F	317 hours	32.09 mm / 1.26 In	2 days	1020 mb / 31 In
2021	16°C / 61°F	7°C / 45°F	11°C / 52°F	206 hours	187.80 mm / 7.39 In	8 days	1016 mb / 30 In
2022	16°C / 61°F	7°C / 44°F	11°C / 51°F	185 hours	67.80 mm / 2.67 In	3 days	1018 mb / 31 In
2023	19°C / 66°F	9°C / 48°F	13°C / 56°F	247 hours	43.33 mm / 1.71 In	3 days	1018 mb / 31 In
2024	20°C / 68°F	10°C / 49°F	14°C / 57°F	285 hours	0.00 mm / 0.00 In	0 days	1020 mb / 31 In

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