Union City 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 08 Oct, 2025 Weather in Union City

Sunrise: 07:10 AM Sunset: 06:40 PM	Moonrise: 07:30 PM Moonset: 09:06 AM	Max: 22.5 °c	Min: 13.7 °c	Avg: 17.7 °c	Precip: 0.00 mm	Max Wind: 16.6 kph

	Wed 08 0:00 am	Wed 08 3:00 am	Wed 08 6:00 am	Wed 08 9:00 am	Wed 08 12:00 pm	Wed 08 3:00 pm	Wed 08 6:00 pm	Wed 08 9:00 pm
Icon
Temp	17.0°c	15.1°c	14.0°c	16.5°c	21.0°c	22.5°c	19.3°c	16.1°c
Wind	2.9 kmph	3.6 kmph	3.6 kmph	5.4 kmph	5.0 kmph	14.4 kmph	11.5 kmph	6.5 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	3%	14%	39%	36%	9%	15%	48%	84%
Humidity	69%	81%	90%	77%	55%	52%	68%	85%
Pressure	1011 mb	1011 mb	1011 mb	1011 mb	1011 mb	1010 mb	1010 mb	1010 mb

Union City Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	15°C / 59°F	7°C / 45°F	11°C / 51°F	231 hours	84.33 mm / 3.32 In	6 days	1020 mb / 31 In
February	16°C / 61°F	7°C / 45°F	11°C / 52°F	207 hours	86.78 mm / 3.42 In	5 days	1019 mb / 31 In
March	17°C / 62°F	8°C / 47°F	12°C / 54°F	204 hours	84.69 mm / 3.33 In	6 days	1018 mb / 31 In
April	19°C / 67°F	9°C / 49°F	14°C / 57°F	256 hours	28.33 mm / 1.12 In	3 days	1017 mb / 31 In
May	21°C / 70°F	11°C / 51°F	16°C / 60°F	295 hours	13.54 mm / 0.53 In	2 days	1015 mb / 30 In
June	24°C / 75°F	13°C / 55°F	18°C / 65°F	317 hours	3.40 mm / 0.13 In	0 days	1013 mb / 30 In
July	25°C / 78°F	14°C / 57°F	19°C / 67°F	345 hours	0.74 mm / 0.03 In	0 days	1013 mb / 30 In
August	26°C / 79°F	15°C / 59°F	20°C / 67°F	346 hours	0.16 mm / 0.01 In	0 days	1013 mb / 30 In
September	26°C / 79°F	15°C / 58°F	20°C / 67°F	319 hours	3.08 mm / 0.12 In	0 days	1013 mb / 30 In
October	23°C / 74°F	13°C / 55°F	17°C / 63°F	300 hours	24.71 mm / 0.97 In	2 days	1015 mb / 30 In
November	18°C / 65°F	9°C / 49°F	13°C / 56°F	258 hours	45.43 mm / 1.79 In	3 days	1018 mb / 31 In
December	14°C / 58°F	7°C / 45°F	11°C / 51°F	213 hours	101.44 mm / 3.99 In	6 days	1020 mb / 31 In

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