Guerneville 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 09 Jun, 2026 Weather in Guerneville

Sunrise: 05:47 AM Sunset: 08:34 PM	Moonrise: 01:53 AM Moonset: 02:41 PM	Max: 28.9 °c	Min: 12.8 °c	Avg: 20.7 °c	Precip: 0.10 mm	Max Wind: 12.1 kph

	Tue 09 0:00 am	Tue 09 3:00 am	Tue 09 6:00 am	Tue 09 9:00 am	Tue 09 12:00 pm	Tue 09 3:00 pm	Tue 09 6:00 pm	Tue 09 9:00 pm
Icon
Temp	15.8°c	14.5°c	13.4°c	19.4°c	24.1°c	27.9°c	27.7°c	21.1°c
Wind	3.2 kmph	1.4 kmph	2.5 kmph	4.7 kmph	7.2 kmph	10.1 kmph	10.8 kmph	7.2 kmph
Precip	0.10 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	100%	71%	3%	6%	5%	0%	0%	0%
Humidity	91%	90%	94%	66%	55%	38%	29%	40%
Pressure	1015 mb	1015 mb	1015 mb	1016 mb	1015 mb	1013 mb	1012 mb	1013 mb

Guerneville Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	14°C / 58°F	6°C / 42°F	9°C / 49°F	205 hours	143.42 mm / 5.65 In	6 days	1020 mb / 31 In
February	15°C / 59°F	6°C / 42°F	10°C / 50°F	188 hours	160.13 mm / 6.30 In	6 days	1018 mb / 31 In
March	16°C / 61°F	6°C / 43°F	11°C / 51°F	190 hours	138.75 mm / 5.46 In	7 days	1018 mb / 31 In
April	18°C / 65°F	8°C / 46°F	13°C / 55°F	233 hours	46.18 mm / 1.82 In	3 days	1017 mb / 31 In
May	21°C / 71°F	9°C / 49°F	15°C / 59°F	279 hours	20.30 mm / 0.80 In	2 days	1015 mb / 30 In
June	25°C / 78°F	12°C / 53°F	18°C / 65°F	307 hours	5.97 mm / 0.23 In	1 days	1013 mb / 30 In
July	27°C / 80°F	12°C / 54°F	19°C / 67°F	335 hours	0.49 mm / 0.02 In	0 days	1013 mb / 30 In
August	27°C / 81°F	13°C / 55°F	19°C / 67°F	340 hours	0.22 mm / 0.01 In	0 days	1013 mb / 30 In
September	26°C / 79°F	13°C / 55°F	19°C / 65°F	313 hours	6.81 mm / 0.27 In	1 days	1013 mb / 30 In
October	22°C / 72°F	11°C / 51°F	16°C / 60°F	278 hours	44.77 mm / 1.76 In	3 days	1015 mb / 30 In
November	17°C / 63°F	7°C / 45°F	12°C / 53°F	234 hours	126.51 mm / 4.98 In	4 days	1018 mb / 31 In
December	13°C / 56°F	6°C / 42°F	9°C / 48°F	194 hours	191.69 mm / 7.55 In	7 days	1019 mb / 31 In

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