San Ramon December Weather Averages California, United States of America

December Weather Averages for San Ramon

High Temp	14°C	56°F
Low Temp	6°C	43°F
Avg Temp	10°C	49°F
Sunshine Hours	209 hours
Rainfall	102.63 mm	4.04 In
Rain days	6 days
Pressure	1020 mb	31 In

San Ramon December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	12°C / 54°F	3°C / 38°F	7°C / 45°F	258 hours	48.23 mm / 1.90 In	7 days	1019 mb / 31 In
2009	12°C / 53°F	4°C / 40°F	8°C / 46°F	194 hours	57.87 mm / 2.28 In	4 days	1018 mb / 31 In
2010	13°C / 56°F	7°C / 44°F	9°C / 49°F	149 hours	142.78 mm / 5.62 In	11 days	1017 mb / 31 In
2011	13°C / 55°F	4°C / 38°F	8°C / 46°F	320 hours	3.20 mm / 0.13 In	0 days	1022 mb / 31 In
2012	12°C / 54°F	6°C / 42°F	9°C / 48°F	198 hours	152.73 mm / 6.01 In	9 days	1018 mb / 31 In
2013	13°C / 56°F	4°C / 39°F	8°C / 46°F	332 hours	13.18 mm / 0.52 In	0 days	1021 mb / 31 In
2014	14°C / 58°F	8°C / 47°F	11°C / 52°F	145 hours	181.60 mm / 7.15 In	8 days	1019 mb / 31 In
2015	13°C / 55°F	5°C / 42°F	9°C / 48°F	218 hours	92.77 mm / 3.65 In	7 days	1021 mb / 31 In
2016	13°C / 55°F	5°C / 42°F	9°C / 48°F	251 hours	82.82 mm / 3.26 In	4 days	1020 mb / 31 In
2017	16°C / 61°F	7°C / 45°F	11°C / 52°F	292 hours	0.80 mm / 0.03 In	0 days	1022 mb / 31 In
2018	15°C / 58°F	8°C / 46°F	11°C / 52°F	235 hours	48.98 mm / 1.93 In	5 days	1021 mb / 31 In
2019	14°C / 57°F	9°C / 47°F	11°C / 52°F	131 hours	142.74 mm / 5.62 In	10 days	1018 mb / 31 In
2020	15°C / 59°F	7°C / 45°F	10°C / 51°F	254 hours	24.90 mm / 0.98 In	2 days	1022 mb / 31 In
2021	13°C / 55°F	6°C / 43°F	9°C / 48°F	173 hours	150.30 mm / 5.92 In	10 days	1016 mb / 30 In
2022	12°C / 54°F	6°C / 42°F	8°C / 47°F	148 hours	209.68 mm / 8.26 In	8 days	1018 mb / 31 In
2023	15°C / 59°F	8°C / 46°F	11°C / 52°F	172 hours	89.57 mm / 3.53 In	7 days	1019 mb / 31 In
2024	14°C / 57°F	7°C / 44°F	10°C / 50°F	124 hours	248.16 mm / 9.77 In	6 days	1022 mb / 31 In

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