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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Fri 10 Apr, 2026 Weather in Union City

Sunrise: 06:40 AM Sunset: 07:40 PM	Moonrise: 03:01 AM Moonset: 12:34 PM	Max: 16.5 °c	Min: 13.1 °c	Avg: 14.5 °c	Precip: 20.20 mm	Max Wind: 20.9 kph

	Fri 10 0:00 am	Fri 10 3:00 am	Fri 10 6:00 am	Fri 10 9:00 am	Fri 10 12:00 pm	Fri 10 3:00 pm	Fri 10 6:00 pm	Fri 10 9:00 pm
Icon
Temp	14.7°c	14.0°c	13.5°c	13.9°c	15.4°c	16.4°c	15.2°c	13.3°c
Wind	0.7 kmph	0.4 kmph	4.0 kmph	7.9 kmph	10.4 kmph	10.8 kmph	18.4 kmph	6.8 kmph
Precip	1.00 mm	1.70 mm	1.40 mm	1.40 mm	0.70 mm	0.00 mm	0.00 mm	0.60 mm
Cloud	100%	100%	100%	92%	78%	76%	78%	88%
Humidity	93%	94%	94%	89%	74%	62%	70%	85%
Pressure	1013 mb	1013 mb	1013 mb	1013 mb	1014 mb	1013 mb	1012 mb	1012 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 / 44°F	10°C / 51°F	226 hours	84.92 mm / 3.34 In	5 days	1020 mb / 31 In
February	16°C / 61°F	7°C / 45°F	11°C / 52°F	198 hours	100.83 mm / 3.97 In	5 days	1019 mb / 31 In
March	17°C / 63°F	8°C / 47°F	12°C / 54°F	203 hours	80.33 mm / 3.16 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	291 hours	28.78 mm / 1.13 In	2 days	1015 mb / 30 In
November	18°C / 65°F	9°C / 49°F	13°C / 56°F	249 hours	52.77 mm / 2.08 In	3 days	1018 mb / 31 In
December	14°C / 58°F	7°C / 45°F	11°C / 51°F	208 hours	116.25 mm / 4.58 In	6 days	1019 mb / 31 In

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