Castro Valley Weather History California, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Wed 30 Apr, 2025 Weather in Castro Valley

Sunrise: 06:13 AM Sunset: 07:58 PM	Moonrise: 08:12 AM Moonset: No moonset	Max: 20.6 °c	Min: 9.2 °c	Avg: 13.4 °c	Precip: 0.00 mm	Max Wind: 13.7 kph

	Wed 30 0:00 am	Wed 30 3:00 am	Wed 30 6:00 am	Wed 30 9:00 am	Wed 30 12:00 pm	Wed 30 3:00 pm	Wed 30 6:00 pm	Wed 30 9:00 pm
Icon
Temp	9.9°c	9.2°c	9.8°c	12.1°c	18.2°c	20.2°c	15.9°c	12.2°c
Wind	7.2 kmph	8.3 kmph	7.2 kmph	5.4 kmph	6.5 kmph	13.7 kmph	11.2 kmph	6.8 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	86%	99%	100%	71%	24%	8%	14%	40%
Humidity	95%	96%	95%	87%	66%	57%	74%	89%
Pressure	1016 mb	1015 mb	1015 mb	1015 mb	1014 mb	1013 mb	1013 mb	1014 mb

Castro Valley Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	15°C / 59°F	7°C / 44°F	10°C / 50°F	231 hours	89.14 mm / 3.51 In	6 days	1020 mb / 31 In
February	16°C / 60°F	7°C / 45°F	11°C / 51°F	209 hours	93.40 mm / 3.68 In	5 days	1019 mb / 31 In
March	17°C / 62°F	8°C / 46°F	12°C / 53°F	200 hours	94.24 mm / 3.71 In	6 days	1018 mb / 31 In
April	19°C / 67°F	9°C / 48°F	13°C / 56°F	251 hours	30.77 mm / 1.21 In	3 days	1017 mb / 31 In
May	22°C / 71°F	10°C / 51°F	15°C / 60°F	299 hours	14.03 mm / 0.55 In	2 days	1015 mb / 30 In
June	25°C / 77°F	13°C / 55°F	18°C / 65°F	323 hours	3.61 mm / 0.14 In	1 days	1013 mb / 30 In
July	27°C / 81°F	14°C / 58°F	20°C / 68°F	354 hours	1.27 mm / 0.05 In	0 days	1013 mb / 30 In
August	27°C / 81°F	15°C / 58°F	20°C / 68°F	355 hours	0.12 mm / 0.00 In	0 days	1013 mb / 30 In
September	27°C / 80°F	15°C / 59°F	20°C / 68°F	328 hours	3.17 mm / 0.12 In	1 days	1013 mb / 30 In
October	24°C / 75°F	13°C / 56°F	18°C / 64°F	299 hours	25.25 mm / 0.99 In	2 days	1015 mb / 30 In
November	18°C / 65°F	10°C / 49°F	13°C / 56°F	257 hours	49.35 mm / 1.94 In	4 days	1018 mb / 31 In
December	14°C / 57°F	7°C / 45°F	10°C / 50°F	212 hours	103.62 mm / 4.08 In	6 days	1020 mb / 31 In

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