San Luis Obispo December Weather Averages California, United States of America

December Weather Averages for San Luis Obispo

High Temp	16°C	62°F
Low Temp	8°C	46°F
Avg Temp	11°C	52°F
Sunshine Hours	257 hours
Rainfall	84.72 mm	3.34 In
Rain days	5 days
Pressure	1019 mb	31 In

San Luis Obispo December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	16°C / 60°F	6°C / 43°F	10°C / 50°F	275 hours	38.78 mm / 1.53 In	4 days	1019 mb / 31 In
2009	16°C / 60°F	6°C / 42°F	10°C / 49°F	251 hours	81.64 mm / 3.21 In	8 days	1018 mb / 31 In
2010	16°C / 60°F	8°C / 46°F	11°C / 52°F	206 hours	263.61 mm / 10.38 In	10 days	1017 mb / 31 In
2011	16°C / 62°F	6°C / 43°F	10°C / 51°F	350 hours	6.30 mm / 0.25 In	0 days	1021 mb / 31 In
2012	15°C / 59°F	7°C / 45°F	11°C / 51°F	238 hours	109.80 mm / 4.32 In	8 days	1018 mb / 31 In
2013	18°C / 64°F	7°C / 45°F	12°C / 53°F	345 hours	7.90 mm / 0.31 In	1 days	1020 mb / 31 In
2014	16°C / 61°F	10°C / 50°F	13°C / 55°F	235 hours	105.91 mm / 4.17 In	6 days	1018 mb / 31 In
2015	15°C / 60°F	7°C / 44°F	11°C / 51°F	263 hours	31.40 mm / 1.24 In	5 days	1020 mb / 31 In
2016	16°C / 60°F	8°C / 46°F	11°C / 52°F	264 hours	79.11 mm / 3.11 In	4 days	1019 mb / 31 In
2017	20°C / 67°F	9°C / 48°F	13°C / 56°F	332 hours	0.30 mm / 0.01 In	0 days	1021 mb / 31 In
2018	16°C / 62°F	8°C / 47°F	12°C / 53°F	310 hours	34.22 mm / 1.35 In	1 days	1020 mb / 31 In
2019	16°C / 60°F	9°C / 48°F	12°C / 53°F	204 hours	116.86 mm / 4.60 In	8 days	1018 mb / 31 In
2020	17°C / 63°F	8°C / 46°F	12°C / 53°F	275 hours	41.76 mm / 1.64 In	2 days	1021 mb / 31 In
2021	16°C / 60°F	8°C / 46°F	11°C / 51°F	207 hours	185.00 mm / 7.28 In	8 days	1016 mb / 30 In
2022	15°C / 59°F	7°C / 45°F	10°C / 51°F	201 hours	178.60 mm / 7.03 In	6 days	1018 mb / 31 In
2023	18°C / 65°F	8°C / 46°F	12°C / 54°F	227 hours	83.18 mm / 3.27 In	3 days	1019 mb / 31 In
2024	17°C / 63°F	7°C / 44°F	11°C / 52°F	197 hours	30.02 mm / 1.18 In	3 days	1021 mb / 31 In

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