Guerneville Weather History California, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 13 Jul, 2025 Weather in Guerneville

Sunrise: 05:58 AM Sunset: 08:36 PM	Moonrise: 10:44 PM Moonset: 08:48 AM	Max: 28.7 °c	Min: 9.5 °c	Avg: 18.1 °c	Precip: 0.00 mm	Max Wind: 13.3 kph

	Sun 13 0:00 am	Sun 13 3:00 am	Sun 13 6:00 am	Sun 13 9:00 am	Sun 13 12:00 pm	Sun 13 3:00 pm	Sun 13 6:00 pm	Sun 13 9:00 pm
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Temp	11.0°c	9.6°c	11.7°c	18.6°c	26.4°c	28.7°c	22.9°c	15.7°c
Wind	4.0 kmph	3.6 kmph	1.8 kmph	5.0 kmph	9.4 kmph	13.3 kmph	10.1 kmph	4.3 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	25%	56%	66%	32%	3%	2%	2%	6%
Humidity	93%	96%	94%	74%	49%	43%	52%	72%
Pressure	1014 mb	1014 mb	1014 mb	1014 mb	1014 mb	1013 mb	1013 mb	1013 mb

Guerneville Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	15°C / 58°F	5°C / 41°F	9°C / 48°F	214 hours	146.84 mm / 5.78 In	6 days	1020 mb / 31 In
February	15°C / 60°F	5°C / 41°F	9°C / 49°F	202 hours	169.60 mm / 6.68 In	6 days	1018 mb / 31 In
March	16°C / 61°F	5°C / 42°F	10°C / 50°F	190 hours	163.50 mm / 6.44 In	8 days	1018 mb / 31 In
April	20°C / 68°F	7°C / 45°F	13°C / 55°F	243 hours	41.77 mm / 1.64 In	3 days	1017 mb / 31 In
May	23°C / 74°F	9°C / 49°F	16°C / 60°F	297 hours	21.83 mm / 0.86 In	2 days	1015 mb / 30 In
June	28°C / 82°F	12°C / 54°F	20°C / 68°F	322 hours	5.89 mm / 0.23 In	1 days	1013 mb / 30 In
July	31°C / 87°F	14°C / 57°F	22°C / 71°F	357 hours	0.53 mm / 0.02 In	0 days	1013 mb / 30 In
August	30°C / 86°F	14°C / 57°F	21°C / 70°F	357 hours	0.23 mm / 0.01 In	0 days	1013 mb / 30 In
September	29°C / 85°F	13°C / 56°F	20°C / 68°F	334 hours	5.60 mm / 0.22 In	1 days	1013 mb / 30 In
October	24°C / 76°F	11°C / 51°F	16°C / 62°F	293 hours	45.77 mm / 1.80 In	2 days	1015 mb / 30 In
November	18°C / 65°F	7°C / 45°F	12°C / 53°F	249 hours	119.19 mm / 4.69 In	4 days	1018 mb / 31 In
December	14°C / 57°F	5°C / 41°F	9°C / 48°F	201 hours	173.23 mm / 6.82 In	7 days	1019 mb / 31 In

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