Napa December Weather Averages California, United States of America

December Weather Averages for Napa

High Temp	13°C	56°F
Low Temp	6°C	44°F
Avg Temp	10°C	49°F
Sunshine Hours	212 hours
Rainfall	115.19 mm	4.54 In
Rain days	7 days
Pressure	1019 mb	31 In

Napa December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	12°C / 54°F	5°C / 41°F	8°C / 47°F	208 hours	69.21 mm / 2.72 In	6 days	1018 mb / 31 In
2010	13°C / 55°F	7°C / 44°F	10°C / 49°F	127 hours	179.09 mm / 7.05 In	12 days	1017 mb / 31 In
2011	14°C / 57°F	4°C / 40°F	9°C / 47°F	314 hours	3.70 mm / 0.15 In	0 days	1022 mb / 31 In
2012	12°C / 54°F	6°C / 43°F	9°C / 48°F	204 hours	244.35 mm / 9.62 In	8 days	1018 mb / 31 In
2013	14°C / 57°F	4°C / 39°F	8°C / 47°F	340 hours	13.09 mm / 0.52 In	1 days	1021 mb / 31 In
2014	14°C / 57°F	8°C / 47°F	11°C / 51°F	131 hours	253.61 mm / 9.98 In	12 days	1019 mb / 31 In
2015	12°C / 54°F	6°C / 43°F	9°C / 48°F	198 hours	99.96 mm / 3.94 In	8 days	1020 mb / 31 In
2016	12°C / 54°F	5°C / 42°F	9°C / 48°F	253 hours	107.01 mm / 4.21 In	5 days	1020 mb / 31 In
2017	15°C / 59°F	7°C / 44°F	11°C / 51°F	259 hours	2.10 mm / 0.08 In	0 days	1023 mb / 31 In
2018	14°C / 57°F	7°C / 45°F	10°C / 51°F	213 hours	66.85 mm / 2.63 In	6 days	1021 mb / 31 In
2019	13°C / 56°F	8°C / 47°F	10°C / 51°F	148 hours	197.96 mm / 7.79 In	13 days	1018 mb / 31 In
2020	16°C / 60°F	7°C / 45°F	11°C / 51°F	264 hours	39.25 mm / 1.55 In	3 days	1022 mb / 31 In
2021	13°C / 55°F	7°C / 44°F	9°C / 49°F	197 hours	159.30 mm / 6.27 In	10 days	1016 mb / 30 In
2022	13°C / 55°F	6°C / 42°F	9°C / 48°F	143 hours	190.10 mm / 7.48 In	9 days	1018 mb / 31 In
2023	16°C / 60°F	9°C / 48°F	12°C / 53°F	176 hours	102.29 mm / 4.03 In	7 days	1019 mb / 31 In

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