Fullerton 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 03 Oct, 2026 Weather in Fullerton

Sunrise: 06:47 AM Sunset: 06:33 PM	Moonrise: 11:50 PM Moonset: 02:02 PM	Max: 36.1 °c	Min: 25.2 °c	Avg: 30.4 °c	Precip: 0.00 mm	Max Wind: 16.2 kph

	Sat 03 0:00 am	Sat 03 3:00 am	Sat 03 6:00 am	Sat 03 9:00 am	Sat 03 12:00 pm	Sat 03 3:00 pm	Sat 03 6:00 pm	Sat 03 9:00 pm
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Temp	26.2°c	27.7°c	27.3°c	29.9°c	35.1°c	35.2°c	32.7°c	30.0°c
Wind	0.7 kmph	0.7 kmph	3.2 kmph	4.0 kmph	8.3 kmph	15.1 kmph	10.0 kmph	4.7 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%	1%	1%	0%	0%	0%	0%
Humidity	49%	44%	41%	40%	32%	34%	40%	42%
Pressure	1009 mb	1009 mb	1009 mb	1010 mb	1009 mb	1007 mb	1008 mb	1009 mb

Fullerton Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	20°C / 67°F	10°C / 49°F	14°C / 57°F	275 hours	65.51 mm / 2.58 In	3 days	1019 mb / 31 In
February	20°C / 67°F	10°C / 50°F	14°C / 58°F	247 hours	75.11 mm / 2.96 In	3 days	1017 mb / 31 In
March	21°C / 69°F	11°C / 52°F	15°C / 60°F	271 hours	55.13 mm / 2.17 In	3 days	1017 mb / 30 In
April	22°C / 72°F	13°C / 55°F	17°C / 63°F	290 hours	16.94 mm / 0.67 In	1 days	1015 mb / 30 In
May	23°C / 73°F	14°C / 58°F	18°C / 65°F	313 hours	6.16 mm / 0.24 In	1 days	1013 mb / 30 In
June	26°C / 79°F	16°C / 62°F	21°C / 70°F	326 hours	1.45 mm / 0.06 In	0 days	1012 mb / 30 In
July	29°C / 84°F	19°C / 66°F	23°C / 74°F	350 hours	1.89 mm / 0.07 In	1 days	1013 mb / 30 In
August	30°C / 86°F	20°C / 68°F	24°C / 76°F	353 hours	4.60 mm / 0.18 In	0 days	1012 mb / 30 In
September	29°C / 85°F	20°C / 67°F	24°C / 75°F	325 hours	6.68 mm / 0.26 In	1 days	1012 mb / 30 In
October	26°C / 79°F	17°C / 62°F	21°C / 70°F	308 hours	13.46 mm / 0.53 In	1 days	1014 mb / 30 In
November	23°C / 73°F	13°C / 55°F	17°C / 63°F	293 hours	30.25 mm / 1.19 In	2 days	1017 mb / 31 In
December	19°C / 66°F	10°C / 50°F	14°C / 57°F	269 hours	72.88 mm / 2.87 In	3 days	1018 mb / 31 In

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