Average Temperatures for California Cities in May

Average daily high and low temperatures for May at dozens of cities throughout California are listed below in degrees Fahrenheit and Celsius.

You can jump to separate tables for cities in Southern California and Northern California.

The tables give the normal maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Northern California

May temperature averages
High °F	Low °F	Place	High °C	Low °C
79	54	Antioch	26	12
70	49	Berkeley	21	10
81	52	Chico	27	11
73	45	Clearlake	23	7
78	53	Concord	26	12
81	52	Davis	27	11
60	48	Eureka	15	9
78	52	Fairfield	25	11
71	52	Fremont	22	11
83	58	Fresno	28	14
71	47	Grass Valley	22	8
69	52	Hayward	21	11
77	50	Livermore	25	10
82	53	Madera	28	12
82	52	Merced	28	11
82	54	Modesto	28	12
77	50	Napa	25	10
71	53	Newark	21	12
69	53	Oakland	20	12

High °F	Low °F	Place	High °C	Low °C
73	50	Palo Alto	23	10
72	47	Petaluma	22	9
84	56	Porterville	29	14
82	55	Red Bluff	28	13
82	54	Redding	28	12
73	50	Redwood City	23	10
69	52	Richmond	21	11
81	54	Sacramento	27	12
64	51	San Francisco	18	11
74	52	San Jose	23	11
72	51	San Rafael	22	10
75	48	Santa Rosa	24	9
76	46	Sonora	24	8
83	54	Stockton	28	12
80	55	Tracy	27	13
80	57	Turlock	27	14
76	47	Ukiah	25	9
83	53	Vacaville	28	12
78	51	Vallejo	26	11
69	49	Watsonville	21	9
82	52	Woodland	28	11
82	52	Yuba City	28	11

Southern California

Average May temperatures
High °F	Low °F	Place	High °C	Low °C
78	58	Anaheim	26	15
84	58	Bakersfield	29	14
75	55	Burbank	24	13
69	58	Chula Vista	21	14
94	63	El Centro	34	17
77	56	Escondido	25	14
76	58	Fullerton	24	15
84	55	Hanford	29	13
79	56	Irvine	26	13
82	53	Lancaster	28	12
73	58	Long Beach	23	14
74	58	Los Angeles	23	15
65	58	Oceanside	18	14
80	56	Ontario	27	13
68	54	Oxnard	20	12
83	53	Palmdale	28	12
78	54	Pasadena	26	12
78	54	Pomona	26	12
80	55	Riverside	27	13
68	50	Salinas	20	10
70	60	San Diego	21	16
72	49	San Luis Obispo	22	10
75	58	Santa Ana	24	15
72	54	Santa Barbara	22	12
71	49	Santa Cruz	22	9
72	55	Torrance	22	13
81	51	Victorville	27	11
81	55	Visalia	27	13

Average May Temperatures at Cities in California

Northern California

Southern California

Reference

More California Weather Information