Simi Valley December Weather Averages California, United States of America

December Weather Averages for Simi Valley

High Temp	16°C	61°F
Low Temp	7°C	45°F
Avg Temp	11°C	52°F
Sunshine Hours	279 hours
Rainfall	70.53 mm	2.78 In
Rain days	3 days
Pressure	1019 mb	31 In

Simi Valley December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	14°C / 57°F	6°C / 42°F	9°C / 49°F	261 hours	67.63 mm / 2.66 In	3 days	1018 mb / 31 In
2010	15°C / 59°F	6°C / 44°F	10°C / 50°F	242 hours	235.16 mm / 9.26 In	7 days	1017 mb / 31 In
2011	15°C / 59°F	5°C / 42°F	10°C / 50°F	351 hours	9.70 mm / 0.38 In	1 days	1020 mb / 31 In
2012	14°C / 57°F	6°C / 43°F	10°C / 50°F	269 hours	33.90 mm / 1.33 In	5 days	1018 mb / 31 In
2013	18°C / 64°F	7°C / 45°F	12°C / 53°F	342 hours	5.30 mm / 0.21 In	1 days	1019 mb / 31 In
2014	16°C / 60°F	8°C / 47°F	11°C / 53°F	253 hours	102.60 mm / 4.04 In	5 days	1018 mb / 31 In
2015	16°C / 61°F	7°C / 44°F	11°C / 51°F	316 hours	15.00 mm / 0.59 In	2 days	1019 mb / 31 In
2016	15°C / 60°F	8°C / 46°F	11°C / 52°F	287 hours	73.77 mm / 2.90 In	5 days	1019 mb / 31 In
2017	20°C / 68°F	10°C / 50°F	14°C / 58°F	346 hours	0.00 mm / 0.00 In	0 days	1020 mb / 31 In
2018	16°C / 62°F	9°C / 47°F	12°C / 54°F	306 hours	51.84 mm / 2.04 In	3 days	1019 mb / 31 In
2019	14°C / 57°F	7°C / 45°F	11°C / 51°F	239 hours	149.17 mm / 5.87 In	5 days	1018 mb / 31 In
2020	19°C / 65°F	8°C / 46°F	12°C / 54°F	324 hours	27.27 mm / 1.07 In	1 days	1020 mb / 31 In
2021	16°C / 60°F	7°C / 44°F	11°C / 51°F	223 hours	192.80 mm / 7.59 In	7 days	1016 mb / 30 In
2022	15°C / 60°F	7°C / 45°F	11°C / 51°F	165 hours	77.00 mm / 3.03 In	5 days	1018 mb / 31 In
2023	19°C / 66°F	9°C / 48°F	13°C / 55°F	249 hours	87.36 mm / 3.44 In	3 days	1018 mb / 31 In
2024	20°C / 68°F	8°C / 46°F	13°C / 56°F	285 hours	0.00 mm / 0.00 In	0 days	1020 mb / 31 In

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