Napa May Weather Averages California, United States of America

May Weather Averages for Napa

High Temp	23°C	74°F
Low Temp	11°C	51°F
Avg Temp	17°C	62°F
Sunshine Hours	296 hours
Rainfall	16.00 mm	0.63 In
Rain days	2 days
Pressure	1015 mb	30 In

Napa May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	25°C / 76°F	11°C / 52°F	17°C / 63°F	305 hours	22.90 mm / 0.90 In	4 days	1015 mb / 30 In
2010	20°C / 68°F	9°C / 48°F	14°C / 58°F	265 hours	31.57 mm / 1.24 In	5 days	1017 mb / 31 In
2011	20°C / 68°F	8°C / 47°F	14°C / 57°F	281 hours	32.80 mm / 1.29 In	6 days	1016 mb / 30 In
2012	24°C / 75°F	10°C / 50°F	16°C / 62°F	349 hours	0.00 mm / 0.00 In	0 days	1015 mb / 30 In
2013	25°C / 77°F	11°C / 52°F	18°C / 64°F	320 hours	5.70 mm / 0.22 In	2 days	1016 mb / 30 In
2014	26°C / 79°F	12°C / 53°F	18°C / 65°F	320 hours	0.30 mm / 0.01 In	0 days	1016 mb / 30 In
2015	21°C / 69°F	10°C / 50°F	15°C / 59°F	283 hours	0.60 mm / 0.02 In	0 days	1013 mb / 30 In
2016	22°C / 72°F	12°C / 53°F	17°C / 62°F	285 hours	18.20 mm / 0.72 In	2 days	1014 mb / 30 In
2017	24°C / 75°F	11°C / 52°F	17°C / 63°F	313 hours	0.10 mm / 0.00 In	0 days	1014 mb / 30 In
2018	23°C / 73°F	11°C / 53°F	16°C / 62°F	306 hours	4.00 mm / 0.16 In	1 days	1015 mb / 30 In
2019	20°C / 69°F	11°C / 52°F	15°C / 59°F	251 hours	68.74 mm / 2.71 In	5 days	1013 mb / 30 In
2020	25°C / 77°F	13°C / 55°F	18°C / 65°F	265 hours	25.57 mm / 1.01 In	4 days	1015 mb / 30 In
2021	26°C / 79°F	11°C / 51°F	18°C / 65°F	338 hours	0.00 mm / 0.00 In	0 days	1014 mb / 30 In
2022	27°C / 80°F	10°C / 50°F	18°C / 64°F	318 hours	1.50 mm / 0.06 In	0 days	1014 mb / 30 In
2023	23°C / 73°F	10°C / 49°F	15°C / 60°F	248 hours	27.95 mm / 1.10 In	3 days	1014 mb / 30 In

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