Living in Santa Rosa, CA, Local Climate & Weather (2024) | Santa Rosa, CA

Seasonal Weather Patterns in Santa Rosa, CA

Temperature

Average Daily Temperature (°F)

	Santa Rosa, CA	U.S. Avg.	Difference
January	48	43	+5
July	65	79	-14

Average Monthly Number of Hot and Freezing Days

	Santa Rosa, CA	U.S. Avg.	Difference
Summer: Hot Days	5	11	-6
Winter: Freezing Days	5	12	-7

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Sunshine

Average Annual Number of Clear and Cloudy Days

	Santa Rosa, CA	U.S. Avg.	Difference
Clear Days	272	217	+55
Cloudy Days	93	148	-55

Average Daylight Hours per Day

	Santa Rosa, CA	U.S. Avg.	Difference
January	10	10	No difference
July	14	15	-1

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Precipitation

Average Annual Number of Rainy and Snow Days

	Santa Rosa, CA	U.S. Avg.	Difference
Rainy Days	70	77	-7
Snow Days	0	7	-7

Average Monthly Humidity (%) in Santa Rosa, CA

	Santa Rosa, CA	U.S. Avg.	Difference
January	81	68	+13%
July	53	61	-8%

Read more in Precipitation

Is Santa Rosa, CA, Hot or Cold?

Low, Average, and High Temperatures (°F)

	Low	Average	High
January	38	48	61
February	39	52	62
March	42	54	67
April	44	56	69
May	47	60	72
June	53	63	77
July	53	65	80
August	54	67	78
September	51	65	75
October	48	60	69
November	43	53	66
December	37	50	60

Average Monthly Number of Hot Days

	Santa Rosa, CA	U.S. Avg.	Difference
January	0	0	No difference
February	0	0	No difference
March	0	0	No difference
April	0	1	-1
May	2	3	-1
June	4	8	-4
July	6	13	-7
August	6	12	-6
September	6	6	No difference
October	2	2	No difference
November	0	0	No difference
December	0	0	No difference

Average Monthly Number of Freezing Days

	Santa Rosa, CA	U.S. Avg.	Difference
January	6	13	-7
February	2	10	-8
March	1	7	-6
April	0	2	-2
May	0	0	No difference
June	0	0	No difference
July	0	0	No difference
August	0	0	No difference
September	0	0	No difference
October	0	2	-2
November	2	6	-4
December	7	12	-5

Santa Rosa, CA: Clear/Cloudy Skies, and Daylight Hours

Average Number of Clear Days

	Santa Rosa, CA	U.S. Avg.	Difference
January	18	17	+1
February	18	16	+2
March	18	17	+1
April	22	17	+5
May	24	18	+6
June	26	19	+7
July	27	20	+7
August	28	20	+8
September	27	19	+8
October	24	19	+5
November	21	18	+3
December	19	17	+2

Average Number of Cloudy Days

	Santa Rosa, CA	U.S. Avg.	Difference
January	13	14	-1
February	10	12	-2
March	13	14	-1
April	8	13	-5
May	7	13	-6
June	4	11	-7
July	4	11	-7
August	3	11	-8
September	3	11	-8
October	7	12	-5
November	9	12	-3
December	12	14	-2

Average Daylight Hours per Day

	Santa Rosa, CA	U.S. Avg.	Difference
January	10	10	No difference
February	11	11	No difference
March	12	12	No difference
April	13	13	No difference
May	14	14	No difference
June	14	15	-1
July	14	15	-1
August	14	14	No difference
September	13	13	No difference
October	12	12	No difference
November	11	10	+1
December	9	10	-1

Santa Rosa, CA: Rainy Days, Snow Days, and Humidity

Average Number of Rainy Days

	Santa Rosa, CA	U.S. Avg.	Difference
January	14	9	+5
February	9	8	+1
March	10	9	+1
April	9	7	+2
May	3	7	-4
June	1	7	-6
July	0	7	-7
August	0	6	-6
September	2	7	-5
October	3	7	-4
November	10	8	+2
December	9	8	+1

Average Number of Snow Days

	Santa Rosa, CA	U.S. Avg.	Difference
January	0	2	-2
February	0	2	-2
March	0	1	-1
April	0	0	No difference
May	0	0	No difference
June	0	0	No difference
July	0	0	No difference
August	0	0	No difference
September	0	0	No difference
October	0	0	No difference
November	0	1	-1
December	0	2	-2

Average Humidity (%)

	Santa Rosa, CA	U.S. Avg.	Difference
January	81	68	+13%
February	78	66	+12%
March	72	63	+9%
April	65	59	+6%
May	60	61	-1%
June	55	60	-5%
July	53	61	-8%
August	55	62	-7%
September	60	63	-3%
October	66	63	+3%
November	74	65	+9%
December	80	68	+12%