Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Santa Barbara features a cold semi-arid climate (BSk).Temperatures typically range between 6 °C (42 °F) and 13 °C (55 °F) through the year, but rarely can drop to -8 °C (17 °F) or can rise to as high as 26 °C (80 °F).The average annual precipitation amounts to about 589 mm (23.2 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually.Santa Barbara enjoys an average of 4003 hours of sunshine throughout the year, and daylight varies from 10 hours 52 minutes to 13 hours 22 minutes per day.
The warmest months in Santa Barbara are October, November and December, with daily mean temperatures ranging from 12 to 13 °C (54 - 55 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 6 to 7 °C (42 - 45 °F) throughout the day. On average each year, Santa Barbara experiences 1 days above 25 °C (77.0 °F) and 91 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 23°C (74°F) | 25°C (77°F) | 23°C (74°F) | 23°C (73°F) | 21°C (70°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 23°C (74°F) | 25°C (77°F) | 26°C (79°F) | 26°C (80°F) |
Mean maximum | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 20°C (69°F) | 17°C (64°F) | 19°C (67°F) | 20°C (68°F) | 23°C (73°F) | 24°C (76°F) | 25°C (77°F) | 25°C (78°F) |
Average high | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 19°C (66°F) | 17°C (62°F) | 15°C (59°F) | 15°C (60°F) | 16°C (62°F) | 19°C (66°F) | 20°C (69°F) | 21°C (70°F) | 19°C (67°F) |
Daily mean | 11°C (53°F) | 11°C (52°F) | 11°C (52°F) | 10°C (51°F) | 8°C (46°F) | 6°C (42°F) | 6°C (42°F) | 7°C (45°F) | 10°C (50°F) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) |
Average low | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) | 3°C (38°F) | 0°C (32°F) | -2°C (29°F) | -2°C (28°F) | -2°C (30°F) | 2°C (36°F) | 4°C (40°F) | 6°C (43°F) | 7°C (45°F) |
Mean minimum | 4°C (39°F) | 5°C (41°F) | 2°C (37°F) | -2°C (30°F) | -4°C (24°F) | -5°C (24°F) | -7°C (20°F) | -5°C (23°F) | -3°C (27°F) | 0°C (33°F) | 3°C (37°F) | 4°C (39°F) |
Minimum | 2°C (36°F) | 4°C (39°F) | 1°C (34°F) | -4°C (26°F) | -6°C (21°F) | -8°C (17°F) | -7°C (19°F) | -7°C (19°F) | -4°C (25°F) | -3°C (28°F) | 0°C (33°F) | 2°C (36°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Barbara, Potosí, Bolivia with other places around the world.
Santa Barbara usually has the most precipitation in February, March and December, with an average of 19 rainy days and 118 mm (4.7 inches) of precipitation per month.The driest months in Santa Barbara are May, June and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 106 (4.2) | 133 (5.2) | 106 (4.2) | 25 (1.0) | 3 (0.1) | 1 (0.0) | 3 (0.1) | 2 (0.1) | 14 (0.5) | 30 (1.2) | 52 (2.1) | 117 (4.6) |
Average precipitation days (≥ 1 mm) | 16 | 20 | 20 | 6 | 0 | 0 | 0 | 0 | 3 | 7 | 12 | 19 |
The sunniest months in Santa Barbara are October, November and December, when the sun shines an average of 11 hours 51 minutes a day.Least sunny months in Santa Barbara: January, February and June receive an average of 10 hours 1 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 280 | 305 | 333 | 326 | 335 | 316 | 326 | 345 | 343 | 372 | 367 | 351 |
Mean daily daylight hours | 13h 13m | 12h 45m | 12h 10m | 11h 34m | 11h 5m | 10h 52m | 10h 59m | 11h 24m | 11h 58m | 12h 34m | 13h 6m | 13h 22m |
Santa Barbara experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 18 - 19, which corresponds to the Extreme category of sun exposure.May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Santa Barbara UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 18 | 18 | 17 | 15 | 11 | 9 | 10 | 12 | 15 | 18 | 19 | 19 |