Is Los Angeles sunnier than San Diego?

Los Angeles is the sunnier: about 3,009 hours of sunshine a year versus 2,854 — a difference of 155 hours.

Which is warmer, Los Angeles or San Diego?

Los Angeles is warmer across the year: average daytime highs of 25°C (77°F) versus 18°C.

Which is better in winter (November–February), Los Angeles or San Diego?

Los Angeles scores better across November–February: 84/100 average versus 68, with daytime highs around 21°C.

Which has the warmer sea, Los Angeles or San Diego?

Both peak at about 22°C (72°F); month-by-month sea temperatures for both are on this page.

Los Angeles vs San Diego: which is sunnier?

🇺🇸 United States vs 🇺🇸 United States · 176 km apart · long-term climate normals (NASA POWER, 2001–2020)

Los Angeles is the sunnier overall: about 3,009 hours of sunshine a year to San Diego's 2,854. Los Angeles has the higher Sunshine Score in 8 of 12 months; the other 4 are within 2 points.

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Los Angeles	San Diego
Sunshine hours / year	3,009	2,854
Sunniest month	June (97/100)	July (95/100)
Nov–Feb average score	84/100	68/100
Jun–Aug average score	97/100	89/100
Rain / year	332 mm	269 mm
Warmest sea	22°C / 72°F	22°C / 72°F
Peak midday UV	10 (very high)	9 (very high)

Los Angeles vs San Diego month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Los Angeles	San Diego	Los Angeles	San Diego	Los Angeles	San Diego	Los Angeles	San Diego
January	83	66	20°	17°	73	42	16°	16°
February	83	58	20°	16°	75	52	16°	16°
March	89	60	22°	16°	42	29	15°	16°
April	93	70	23°	17°	19	17	15°	17°
May	95	71	26°	17°	9	7	16°	18°
June	97	76	29°	18°	1	26	19°	20°
July	96	95	32°	20°	2	4	21°	22°
August	97	95	32°	21°	1	2	22°	22°
September	96	95	31°	22°	3	5	21°	22°
October	94	93	28°	21°	17	14	19°	19°
November	92	84	23°	19°	25	23	16°	17°
December	78	65	19°	17°	65	48	15°	15°

The sunnier month by month: Jan Los Angeles · Feb Los Angeles · Mar Los Angeles · Apr Los Angeles · May Los Angeles · Jun Los Angeles · Jul even · Aug even · Sep even · Oct even · Nov Los Angeles · Dec Los Angeles.

When to pick which

November–February: Los Angeles (average score 84/100 vs 68). Los Angeles is the warmer, around 21°C daytime highs vs 17°C. See the winter sun ranking.
March–May: Los Angeles (average score 92/100 vs 67). Los Angeles is the warmer, around 24°C daytime highs vs 17°C.
June–August: Los Angeles (average score 97/100 vs 89). Los Angeles is the warmer, around 31°C daytime highs vs 20°C.
September–October: too close to call — Los Angeles averages 95/100, San Diego 94/100. Los Angeles is the warmer, around 30°C daytime highs vs 22°C.

Sea temperature

Both seas peak at 22°C / 72°F. Swimmable water (21°C+): Los Angeles about 3 months a year, San Diego about 3 months a year. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Los Angeles weather by month · San Diego weather by month · Best time to visit United States.

More comparisons: Los Angeles vs Ontario · Los Angeles vs Santa Barbara · San Diego vs Tijuana · San Diego vs Mexicali · San Diego vs Ontario · all head-to-heads