Rancho Cucamonga 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 28 Jan, 2026 Weather in Rancho Cucamonga

Sunrise: 06:50 AM Sunset: 05:17 PM	Moonrise: 12:45 PM Moonset: 03:02 AM	Max: 20.3 °c	Min: 8.4 °c	Avg: 14.0 °c	Precip: 0.00 mm	Max Wind: 10.1 kph

	Wed 28 0:00 am	Wed 28 3:00 am	Wed 28 6:00 am	Wed 28 9:00 am	Wed 28 12:00 pm	Wed 28 3:00 pm	Wed 28 6:00 pm	Wed 28 9:00 pm
Icon
Temp	10.8°c	9.6°c	8.6°c	12.4°c	18.3°c	20.3°c	17.5°c	14.4°c
Wind	3.2 kmph	4.3 kmph	3.2 kmph	4.0 kmph	1.1 kmph	3.6 kmph	8.6 kmph	8.6 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	18%	24%	42%	59%	75%	71%	82%	64%
Humidity	38%	39%	41%	36%	23%	20%	24%	25%
Pressure	1024 mb	1024 mb	1024 mb	1025 mb	1023 mb	1022 mb	1022 mb	1023 mb

Rancho Cucamonga Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	18°C / 65°F	7°C / 45°F	12°C / 53°F	277 hours	64.66 mm / 2.55 In	4 days	1019 mb / 31 In
February	19°C / 65°F	7°C / 45°F	12°C / 54°F	244 hours	91.29 mm / 3.59 In	4 days	1017 mb / 31 In
March	20°C / 68°F	8°C / 47°F	14°C / 57°F	269 hours	73.74 mm / 2.90 In	4 days	1016 mb / 30 In
April	23°C / 74°F	11°C / 51°F	17°C / 62°F	303 hours	26.94 mm / 1.06 In	2 days	1014 mb / 30 In
May	25°C / 78°F	13°C / 55°F	19°C / 66°F	325 hours	12.46 mm / 0.49 In	1 days	1013 mb / 30 In
June	30°C / 86°F	17°C / 62°F	23°C / 73°F	343 hours	1.55 mm / 0.06 In	0 days	1011 mb / 30 In
July	33°C / 92°F	20°C / 68°F	26°C / 79°F	359 hours	2.83 mm / 0.11 In	0 days	1012 mb / 30 In
August	34°C / 93°F	21°C / 69°F	27°C / 80°F	358 hours	8.25 mm / 0.32 In	1 days	1012 mb / 30 In
September	32°C / 90°F	19°C / 67°F	25°C / 77°F	336 hours	6.04 mm / 0.24 In	1 days	1012 mb / 30 In
October	28°C / 82°F	15°C / 59°F	20°C / 69°F	316 hours	20.40 mm / 0.80 In	1 days	1014 mb / 30 In
November	22°C / 72°F	10°C / 51°F	16°C / 60°F	298 hours	49.98 mm / 1.97 In	2 days	1017 mb / 31 In
December	18°C / 64°F	8°C / 46°F	12°C / 53°F	278 hours	108.52 mm / 4.27 In	4 days	1018 mb / 31 In

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