Riverside, CA: Climate and Weather (2024)

Seasonal Weather Patterns in Riverside, CA

Temperature

Average Daily Temperature (°F)

	Riverside, CA	U.S. Avg.	Difference
January	60	43	+17
July	89	79	+10

Average Monthly Number of Hot and Freezing Days

	Riverside, CA	U.S. Avg.	Difference
Summer: Hot Days	18	11	+7
Winter: Freezing Days	1	12	-11

Read more in Temperature

Sunshine

Average Annual Number of Clear and Cloudy Days

	Riverside, CA	U.S. Avg.	Difference
Clear Days	286	217	+69
Cloudy Days	79	148	-69

Average Daylight Hours per Day

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

Read more in Sunshine

Precipitation

Average Annual Number of Rainy and Snow Days

	Riverside, CA	U.S. Avg.	Difference
Rainy Days	31	38	-7
Snow Days	0	7	-7

Average Monthly Humidity (%) in Riverside, CA

	Riverside, CA	U.S. Avg.	Difference
January	52	68	-16%
July	41	61	-20%

Read more in Precipitation

Is Riverside, CA, Hot or Cold?

Low, Average, and High Temperatures (°F)

	Low	Average	High
January	44	60	69
February	46	64	72
March	50	66	78
April	53	73	82
May	57	77	86
June	62	83	96
July	66	89	104
August	66	90	103
September	64	86	101
October	58	79	89
November	48	67	82
December	44	61	72

Average Monthly Number of Hot Days

	Riverside, CA	U.S. Avg.	Difference
January	0	0	No difference
February	0	0	No difference
March	1	0	+1
April	2	1	+1
May	4	3	+1
June	9	8	+1
July	21	13	+8
August	23	12	+11
September	16	6	+10
October	7	2	+5
November	1	0	+1
December	0	0	No difference

Average Monthly Number of Freezing Days

	Riverside, CA	U.S. Avg.	Difference
January	1	13	-12
February	1	10	-9
March	0	7	-7
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	0	6	-6
December	2	12	-10

Riverside, CA: Clear/Cloudy Skies, and Daylight Hours

Average Number of Clear Days

	Riverside, CA	U.S. Avg.	Difference
January	21	17	+4
February	20	16	+4
March	21	17	+4
April	23	17	+6
May	25	18	+7
June	27	19	+8
July	27	20	+7
August	27	20	+7
September	26	19	+7
October	25	19	+6
November	23	18	+5
December	21	17	+4

Average Number of Cloudy Days

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

Average Daylight Hours per Day

	Riverside, 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	13	14	-1
September	13	13	No difference
October	12	12	No difference
November	11	10	+1
December	10	10	No difference

Riverside, CA: Rainy Days, Snow Days, and Humidity

Average Number of Rainy Days

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

Average Number of Snow Days

	Riverside, 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 (%)

	Riverside, CA	U.S. Avg.	Difference
January	52	68	-16%
February	53	66	-13%
March	52	63	-11%
April	49	59	-10%
May	48	61	-13%
June	45	60	-15%
July	41	61	-20%
August	41	62	-21%
September	44	63	-19%
October	47	63	-16%
November	48	65	-17%
December	53	68	-15%

The assessments presented on this website, including those related to crime, safety, cost of living, and other location characteristics (e.g., states, cities, towns, villages, neighborhoods, areas, landmarks), are based on various sources and our internal research methods. These assessments are not guaranteed to be accurate or complete and should not be used as the sole basis for making any decisions.