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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 13 °C (56 °F) and 26 °C (80 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 370 mm (14.6 inches) and receives 52 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Barbara enjoys an average of 3613 hours of sunshine throughout the year, and daylight varies from 10 hours 34 minutes to 13 hours 40 minutes per day.

Monthly average temperatures in Santa Barbara, Mexico

The warmest months in Santa Barbara are May, June and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 16 °C (56 - 61 °F) throughout the day. On average each year, Santa Barbara experiences 243 days above 25 °C (77.0 °F) and 3 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
Maximum28°C
(83°F)		34°C
(93°F)		36°C
(96°F)		35°C
(96°F)		38°C
(101°F)		39°C
(102°F)		36°C
(97°F)		35°C
(96°F)		34°C
(93°F)		33°C
(92°F)		31°C
(89°F)		30°C
(86°F)
Mean maximum27°C
(81°F)		31°C
(87°F)		33°C
(91°F)		34°C
(93°F)		36°C
(98°F)		37°C
(98°F)		35°C
(95°F)		33°C
(92°F)		33°C
(91°F)		31°C
(88°F)		29°C
(85°F)		28°C
(82°F)
Average high22°C
(71°F)		25°C
(76°F)		28°C
(83°F)		31°C
(87°F)		33°C
(91°F)		33°C
(91°F)		30°C
(87°F)		30°C
(87°F)		28°C
(82°F)		27°C
(81°F)		25°C
(77°F)		22°C
(72°F)
Daily mean13°C
(56°F)		16°C
(61°F)		19°C
(67°F)		22°C
(72°F)		25°C
(78°F)		26°C
(80°F)		24°C
(76°F)		24°C
(76°F)		22°C
(72°F)		20°C
(69°F)		17°C
(63°F)		13°C
(56°F)
Average low5°C
(42°F)		8°C
(46°F)		10°C
(51°F)		13°C
(56°F)		17°C
(62°F)		20°C
(67°F)		19°C
(66°F)		19°C
(66°F)		17°C
(62°F)		14°C
(57°F)		10°C
(49°F)		6°C
(43°F)
Mean minimum0°C
(33°F)		2°C
(35°F)		5°C
(42°F)		7°C
(45°F)		12°C
(54°F)		16°C
(62°F)		17°C
(62°F)		16°C
(61°F)		14°C
(57°F)		8°C
(47°F)		3°C
(38°F)		-1°C
(30°F)
Minimum-2°C
(29°F)		-2°C
(29°F)		3°C
(38°F)		7°C
(44°F)		10°C
(50°F)		15°C
(59°F)		16°C
(61°F)		14°C
(58°F)		11°C
(53°F)		7°C
(44°F)		-4°C
(26°F)		-5°C
(23°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 July, August and September, with an average of 11 rainy days and 82 mm (3.2 inches) of precipitation per month. The driest months in Santa Barbara are January, February and April. On average, 5 mm (0.2 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)5 (0.2)7 (0.3)8 (0.3)3 (0.1)7 (0.3)31 (1.2)80 (3.2)62 (2.4)104 (4.1)44 (1.7)7 (0.3)13 (0.5)
Average precipitation days (≥ 1 mm)01112512714612

Monthly sunshine hours in Santa Barbara, Mexico

The sunniest months in Santa Barbara are May, June and July, when the sun shines an average of 11 hours 23 minutes a day. Least sunny months in Santa Barbara: January, February and November receive an average of 8 hours 20 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 hours219260309323352347347339284284271272
Mean daily daylight hours10h 45m11h 18m12h 1m12h 45m13h 22m13h 40m13h 30m12h 57m12h 15m11h 31m10h 53m10h 34m

Solar UV radiation in Santa Barbara, Mexico

Santa Barbara experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. 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)710121414131313131197