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Monthly climate in Santa Barbara, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Barbara features a hot semi-arid climate (BSh). Temperatures typically range between 15 °C (60 °F) and 24 °C (76 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 679 mm (26.7 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Barbara enjoys an average of 3638 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Santa Barbara, Mexico

The warmest months in Santa Barbara are April, May and June, with daily mean temperatures ranging from 23 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 18 °C (60 - 64 °F) throughout the day. On average each year, Santa Barbara experiences 235 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Santa Barbara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		31°C
(88°F)		34°C
(94°F)		35°C
(95°F)		37°C
(99°F)		37°C
(98°F)		33°C
(92°F)		30°C
(87°F)		33°C
(91°F)		31°C
(89°F)		30°C
(86°F)		29°C
(84°F)
Mean maximum27°C
(81°F)		30°C
(86°F)		32°C
(89°F)		33°C
(92°F)		35°C
(95°F)		34°C
(94°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		29°C
(84°F)		26°C
(80°F)
Average high23°C
(74°F)		25°C
(78°F)		29°C
(84°F)		30°C
(87°F)		32°C
(89°F)		30°C
(86°F)		27°C
(80°F)		27°C
(81°F)		26°C
(79°F)		27°C
(80°F)		26°C
(78°F)		23°C
(74°F)
Daily mean15°C
(60°F)		18°C
(64°F)		21°C
(70°F)		23°C
(73°F)		24°C
(76°F)		23°C
(74°F)		21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		18°C
(64°F)		15°C
(60°F)
Average low8°C
(47°F)		10°C
(50°F)		12°C
(54°F)		14°C
(57°F)		16°C
(61°F)		17°C
(64°F)		16°C
(61°F)		16°C
(61°F)		16°C
(60°F)		14°C
(58°F)		11°C
(52°F)		8°C
(47°F)
Mean minimum3°C
(38°F)		6°C
(43°F)		9°C
(48°F)		10°C
(50°F)		12°C
(54°F)		16°C
(60°F)		14°C
(57°F)		14°C
(57°F)		12°C
(55°F)		10°C
(50°F)		7°C
(45°F)		3°C
(37°F)
Minimum2°C
(36°F)		4°C
(39°F)		6°C
(43°F)		9°C
(48°F)		11°C
(51°F)		13°C
(57°F)		13°C
(55°F)		13°C
(56°F)		11°C
(52°F)		7°C
(45°F)		3°C
(38°F)		-0°C
(32°F)

Compare climate in Santa Barbara with other places

Compare temperature, precipitation, sunshine, UV index in Santa Barbara, Mexico with other places around the world.

Monthly average precipitation in Santa Barbara, Mexico

Santa Barbara usually has the most precipitation in June, July and August, with an average of 17 rainy days and 145 mm (5.7 inches) of precipitation per month. The driest months in Santa Barbara are March, April and December. On average, 4 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Barbara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.3)9 (0.3)4 (0.2)2 (0.1)23 (0.9)137 (5.4)169 (6.6)131 (5.1)129 (5.1)48 (1.9)14 (0.6)5 (0.2)
Average precipitation days (≥ 1 mm)2110414211717810

Monthly sunshine hours in Santa Barbara, Mexico

The sunniest months in Santa Barbara are May, July and August, when the sun shines an average of 10 hours 49 minutes a day. Least sunny months in Santa Barbara: January, February and November receive an average of 8 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Barbara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours232270320327348317330328295294284287
Mean daily daylight hours10h 58m11h 26m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 13m11h 37m11h 5m10h 49m

Solar UV radiation in Santa Barbara, Mexico

Santa Barbara experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Santa Barbara UV Index data.

Average daily maximum UV levels by month for Santa Barbara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9111414151414141312108