Millbrae December Weather Averages California, United States of America

December Weather Averages for Millbrae

High Temp	14°C	57°F
Low Temp	9°C	48°F
Avg Temp	11°C	52°F
Sunshine Hours	203 hours
Rainfall	108.47 mm	4.27 In
Rain days	6 days
Pressure	1019 mb	31 In

Millbrae December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	14°C / 56°F	7°C / 45°F	10°C / 50°F	272 hours	40.51 mm / 1.59 In	6 days	1019 mb / 31 In
2009	13°C / 55°F	7°C / 45°F	10°C / 50°F	205 hours	61.34 mm / 2.41 In	5 days	1018 mb / 31 In
2010	13°C / 55°F	9°C / 49°F	11°C / 52°F	136 hours	162.99 mm / 6.42 In	11 days	1017 mb / 31 In
2011	15°C / 58°F	8°C / 46°F	11°C / 51°F	320 hours	2.50 mm / 0.10 In	0 days	1022 mb / 31 In
2012	13°C / 56°F	9°C / 48°F	11°C / 52°F	193 hours	167.34 mm / 6.59 In	9 days	1018 mb / 31 In
2013	15°C / 59°F	7°C / 45°F	11°C / 51°F	326 hours	12.25 mm / 0.48 In	1 days	1021 mb / 31 In
2014	15°C / 59°F	11°C / 52°F	13°C / 55°F	145 hours	213.67 mm / 8.41 In	10 days	1018 mb / 31 In
2015	13°C / 56°F	9°C / 48°F	11°C / 52°F	213 hours	95.18 mm / 3.75 In	8 days	1020 mb / 31 In
2016	13°C / 56°F	8°C / 47°F	10°C / 51°F	242 hours	90.59 mm / 3.57 In	4 days	1020 mb / 31 In
2017	16°C / 61°F	9°C / 49°F	12°C / 54°F	284 hours	0.80 mm / 0.03 In	0 days	1022 mb / 31 In
2018	15°C / 59°F	10°C / 50°F	12°C / 54°F	229 hours	57.73 mm / 2.27 In	5 days	1021 mb / 31 In
2019	14°C / 57°F	10°C / 51°F	12°C / 54°F	135 hours	156.49 mm / 6.16 In	12 days	1018 mb / 31 In
2020	15°C / 59°F	9°C / 49°F	12°C / 54°F	263 hours	27.30 mm / 1.07 In	2 days	1022 mb / 31 In
2021	13°C / 56°F	9°C / 48°F	11°C / 52°F	184 hours	150.00 mm / 5.91 In	10 days	1016 mb / 30 In
2022	13°C / 56°F	8°C / 47°F	10°C / 51°F	149 hours	216.94 mm / 8.54 In	9 days	1018 mb / 31 In
2023	15°C / 59°F	11°C / 51°F	13°C / 55°F	174 hours	103.40 mm / 4.07 In	5 days	1019 mb / 31 In
2024	12°C / 54°F	9°C / 48°F	10°C / 51°F	56 hours	217.04 mm / 8.54 In	7 days	1022 mb / 31 In

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