Castro Valley May Weather Averages California, United States of America

May Weather Averages for Castro Valley

High Temp	21°C	70°F
Low Temp	10°C	51°F
Avg Temp	15°C	60°F
Sunshine Hours	293 hours
Rainfall	13.08 mm	0.51 In
Rain days	2 days
Pressure	1015 mb	30 In

Castro Valley May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	24°C / 74°F	10°C / 51°F	16°C / 62°F	304 hours	24.30 mm / 0.96 In	4 days	1015 mb / 30 In
2010	19°C / 67°F	8°C / 46°F	13°C / 56°F	273 hours	18.00 mm / 0.71 In	5 days	1017 mb / 31 In
2011	18°C / 65°F	8°C / 46°F	13°C / 55°F	276 hours	27.20 mm / 1.07 In	6 days	1016 mb / 30 In
2012	21°C / 70°F	10°C / 49°F	15°C / 59°F	343 hours	0.90 mm / 0.04 In	1 days	1015 mb / 30 In
2013	22°C / 72°F	11°C / 51°F	16°C / 61°F	314 hours	3.90 mm / 0.15 In	1 days	1016 mb / 30 In
2014	23°C / 74°F	11°C / 52°F	17°C / 62°F	319 hours	0.20 mm / 0.01 In	0 days	1016 mb / 30 In
2015	19°C / 66°F	10°C / 50°F	14°C / 58°F	285 hours	3.20 mm / 0.13 In	1 days	1014 mb / 30 In
2016	21°C / 70°F	11°C / 53°F	16°C / 61°F	270 hours	19.40 mm / 0.76 In	3 days	1014 mb / 30 In
2017	22°C / 72°F	11°C / 52°F	16°C / 62°F	322 hours	0.60 mm / 0.02 In	0 days	1014 mb / 30 In
2018	21°C / 70°F	12°C / 54°F	16°C / 61°F	310 hours	1.30 mm / 0.05 In	0 days	1015 mb / 30 In
2019	20°C / 68°F	12°C / 54°F	16°C / 60°F	251 hours	54.70 mm / 2.15 In	5 days	1013 mb / 30 In
2020	23°C / 73°F	13°C / 55°F	18°C / 64°F	268 hours	11.30 mm / 0.44 In	4 days	1015 mb / 30 In
2021	22°C / 72°F	11°C / 51°F	16°C / 61°F	347 hours	0.10 mm / 0.00 In	0 days	1015 mb / 30 In
2022	22°C / 72°F	9°C / 48°F	15°C / 59°F	335 hours	3.10 mm / 0.12 In	3 days	1015 mb / 30 In
2023	21°C / 70°F	9°C / 49°F	14°C / 58°F	254 hours	23.60 mm / 0.93 In	2 days	1014 mb / 30 In
2024	21°C / 70°F	9°C / 48°F	14°C / 58°F	340 hours	21.64 mm / 0.85 In	1 days	1014 mb / 30 In
2025	18°C / 65°F	9°C / 49°F	13°C / 55°F	169 hours	8.85 mm / 0.35 In	1 days	1016 mb / 30 In

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