Walnut Creek 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 12 Aug, 2026 Weather in Walnut Creek

Sunrise: 06:21 AM Sunset: 08:05 PM	Moonrise: 05:52 AM Moonset: 08:09 PM	Max: 28.4 °c	Min: 14.5 °c	Avg: 20.1 °c	Precip: 0.00 mm	Max Wind: 15.8 kph

	Wed 12 0:00 am	Wed 12 3:00 am	Wed 12 6:00 am	Wed 12 9:00 am	Wed 12 12:00 pm	Wed 12 3:00 pm	Wed 12 6:00 pm	Wed 12 9:00 pm
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Temp	16.9°c	15.5°c	14.5°c	19.1°c	27.0°c	28.2°c	23.1°c	16.6°c
Wind	9.0 kmph	7.9 kmph	6.1 kmph	6.5 kmph	7.6 kmph	15.5 kmph	15.1 kmph	12.2 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	2%	4%	4%	4%	0%	2%	4%	7%
Humidity	77%	79%	83%	62%	40%	55%	64%	82%
Pressure	1012 mb	1012 mb	1012 mb	1012 mb	1011 mb	1009 mb	1008 mb	1009 mb

Walnut Creek Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	14°C / 58°F	7°C / 44°F	10°C / 50°F	219 hours	96.00 mm / 3.78 In	6 days	1020 mb / 31 In
February	16°C / 60°F	7°C / 44°F	11°C / 51°F	197 hours	106.48 mm / 4.19 In	5 days	1019 mb / 31 In
March	17°C / 63°F	8°C / 46°F	12°C / 54°F	197 hours	88.02 mm / 3.47 In	6 days	1018 mb / 31 In
April	20°C / 69°F	9°C / 48°F	14°C / 57°F	246 hours	33.41 mm / 1.32 In	3 days	1017 mb / 31 In
May	23°C / 74°F	11°C / 52°F	16°C / 62°F	275 hours	14.21 mm / 0.56 In	2 days	1015 mb / 30 In
June	27°C / 80°F	13°C / 56°F	19°C / 67°F	300 hours	3.54 mm / 0.14 In	1 days	1013 mb / 30 In
July	28°C / 83°F	14°C / 58°F	20°C / 69°F	324 hours	0.76 mm / 0.03 In	0 days	1013 mb / 30 In
August	28°C / 83°F	15°C / 59°F	21°C / 69°F	345 hours	0.07 mm / 0.00 In	0 days	1013 mb / 30 In
September	28°C / 83°F	15°C / 59°F	21°C / 69°F	318 hours	4.17 mm / 0.16 In	1 days	1013 mb / 30 In
October	24°C / 76°F	13°C / 56°F	18°C / 64°F	290 hours	30.10 mm / 1.19 In	2 days	1015 mb / 30 In
November	18°C / 65°F	9°C / 49°F	13°C / 56°F	246 hours	58.16 mm / 2.29 In	4 days	1018 mb / 31 In
December	14°C / 57°F	7°C / 45°F	10°C / 50°F	201 hours	116.71 mm / 4.59 In	6 days	1020 mb / 31 In

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