Grass Valley 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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Sat 18 Oct, 2025 Weather in Grass Valley

Sunrise: 07:18 AM Sunset: 06:20 PM	Moonrise: 04:35 AM Moonset: 05:04 PM	Max: 24.1 °c	Min: 14.4 °c	Avg: 18.9 °c	Precip: 0.00 mm	Max Wind: 9.4 kph

	Sat 18 0:00 am	Sat 18 3:00 am	Sat 18 6:00 am	Sat 18 9:00 am	Sat 18 12:00 pm	Sat 18 3:00 pm	Sat 18 6:00 pm	Sat 18 9:00 pm
Icon
Temp	16.2°c	15.8°c	14.7°c	17.3°c	22.6°c	23.8°c	21.2°c	19.4°c
Wind	8.6 kmph	8.3 kmph	7.6 kmph	2.5 kmph	7.9 kmph	9.4 kmph	3.6 kmph	9.0 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	0%	0%	0%	0%	0%	0%	0%	0%
Humidity	49%	47%	40%	39%	41%	40%	45%	49%
Pressure	979 mb	985 mb	991 mb	997 mb	1003 mb	1009 mb	1017 mb	1017 mb

Grass Valley Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	12°C / 54°F	4°C / 39°F	7°C / 45°F	212 hours	216.41 mm / 8.52 In	8 days	1021 mb / 31 In
February	12°C / 54°F	3°C / 38°F	7°C / 45°F	187 hours	291.27 mm / 11.47 In	8 days	1019 mb / 31 In
March	13°C / 56°F	4°C / 40°F	9°C / 47°F	179 hours	303.22 mm / 11.94 In	10 days	1018 mb / 31 In
April	18°C / 64°F	7°C / 44°F	12°C / 54°F	235 hours	110.38 mm / 4.35 In	5 days	1016 mb / 30 In
May	22°C / 72°F	10°C / 50°F	16°C / 61°F	286 hours	57.47 mm / 2.26 In	4 days	1014 mb / 30 In
June	29°C / 84°F	14°C / 58°F	22°C / 71°F	325 hours	16.94 mm / 0.67 In	2 days	1012 mb / 30 In
July	33°C / 92°F	17°C / 63°F	25°C / 78°F	358 hours	0.89 mm / 0.03 In	0 days	1013 mb / 30 In
August	33°C / 91°F	17°C / 63°F	24°C / 76°F	359 hours	3.20 mm / 0.13 In	1 days	1013 mb / 30 In
September	29°C / 85°F	15°C / 60°F	22°C / 71°F	326 hours	16.15 mm / 0.64 In	2 days	1013 mb / 30 In
October	23°C / 73°F	11°C / 51°F	16°C / 61°F	294 hours	94.07 mm / 3.70 In	3 days	1016 mb / 30 In
November	16°C / 60°F	6°C / 42°F	10°C / 50°F	242 hours	182.88 mm / 7.20 In	6 days	1019 mb / 31 In
December	11°C / 52°F	3°C / 38°F	7°C / 44°F	210 hours	303.80 mm / 11.96 In	9 days	1020 mb / 31 In

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