Hillsborough 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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Tue 21 Apr, 2026 Weather in Hillsborough

Sunrise: 06:26 AM Sunset: 07:51 PM	Moonrise: 09:33 AM Moonset: 12:22 AM	Max: 12.9 °c	Min: 11.4 °c	Avg: 12.2 °c	Precip: 13.40 mm	Max Wind: 33.5 kph

	Tue 21 0:00 am	Tue 21 3:00 am	Tue 21 6:00 am	Tue 21 9:00 am	Tue 21 12:00 pm	Tue 21 3:00 pm	Tue 21 6:00 pm	Tue 21 9:00 pm
Icon
Temp	12.1°c	12.1°c	12.0°c	12.6°c	12.4°c	12.8°c	11.8°c	11.4°c
Wind	9.7 kmph	11.2 kmph	10.8 kmph	11.5 kmph	22.0 kmph	29.9 kmph	30.2 kmph	22.0 kmph
Precip	0.00 mm	0.20 mm	0.30 mm	0.50 mm	1.70 mm	0.50 mm	1.10 mm	0.40 mm
Cloud	72%	65%	100%	100%	100%	91%	78%	72%
Humidity	88%	90%	89%	83%	84%	81%	83%	84%
Pressure	1013 mb	1012 mb	1011 mb	1010 mb	1010 mb	1010 mb	1011 mb	1014 mb

Hillsborough Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	15°C / 58°F	8°C / 47°F	11°C / 52°F	218 hours	93.07 mm / 3.66 In	5 days	1020 mb / 31 In
February	15°C / 59°F	9°C / 47°F	11°C / 53°F	198 hours	106.66 mm / 4.20 In	5 days	1019 mb / 31 In
March	16°C / 60°F	9°C / 48°F	12°C / 54°F	196 hours	85.17 mm / 3.35 In	7 days	1018 mb / 31 In
April	17°C / 63°F	10°C / 50°F	13°C / 56°F	249 hours	33.94 mm / 1.34 In	3 days	1017 mb / 31 In
May	18°C / 65°F	11°C / 52°F	14°C / 58°F	278 hours	16.20 mm / 0.64 In	2 days	1015 mb / 30 In
June	21°C / 69°F	13°C / 55°F	16°C / 62°F	302 hours	3.33 mm / 0.13 In	1 days	1013 mb / 30 In
July	22°C / 72°F	14°C / 57°F	18°C / 64°F	331 hours	0.86 mm / 0.03 In	0 days	1014 mb / 30 In
August	23°C / 73°F	15°C / 58°F	18°C / 65°F	330 hours	0.25 mm / 0.01 In	0 days	1013 mb / 30 In
September	23°C / 73°F	15°C / 59°F	18°C / 65°F	306 hours	4.86 mm / 0.19 In	0 days	1013 mb / 30 In
October	21°C / 70°F	14°C / 56°F	17°C / 62°F	281 hours	28.54 mm / 1.12 In	2 days	1016 mb / 30 In
November	17°C / 63°F	11°C / 51°F	14°C / 56°F	244 hours	58.95 mm / 2.32 In	4 days	1018 mb / 31 In
December	14°C / 57°F	9°C / 48°F	11°C / 52°F	197 hours	120.72 mm / 4.75 In	6 days	1019 mb / 31 In

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