Last updated: July 31, 2025
Under the Köppen–Geiger climate classification Santa Cruz features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 8 °C (47 °F) and 21 °C (70 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 539 mm (21.2 inches) and receives 47 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Cruz enjoys an average of 3621 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.
The warmest months in Santa Cruz are January, February and December, with daily mean temperatures ranging from 20 to 21 °C (69 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, Santa Cruz experiences 123 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 35°C (96°F) | 34°C (93°F) | 33°C (92°F) | 30°C (86°F) | 25°C (78°F) | 19°C (67°F) | 21°C (70°F) | 22°C (73°F) | 28°C (82°F) | 30°C (86°F) | 32°C (90°F) | 35°C (95°F) |
| Mean maximum | 33°C (92°F) | 33°C (91°F) | 31°C (88°F) | 28°C (82°F) | 23°C (73°F) | 17°C (63°F) | 20°C (68°F) | 22°C (71°F) | 25°C (77°F) | 27°C (81°F) | 31°C (87°F) | 32°C (90°F) |
| Average high | 29°C (85°F) | 29°C (84°F) | 26°C (80°F) | 22°C (71°F) | 17°C (63°F) | 14°C (57°F) | 14°C (57°F) | 15°C (60°F) | 18°C (65°F) | 21°C (70°F) | 25°C (78°F) | 28°C (83°F) |
| Daily mean | 21°C (70°F) | 21°C (69°F) | 18°C (65°F) | 15°C (59°F) | 11°C (52°F) | 9°C (48°F) | 8°C (47°F) | 9°C (49°F) | 12°C (53°F) | 14°C (57°F) | 18°C (64°F) | 20°C (69°F) |
| Average low | 14°C (57°F) | 14°C (57°F) | 12°C (53°F) | 9°C (48°F) | 7°C (44°F) | 5°C (41°F) | 4°C (39°F) | 5°C (41°F) | 6°C (44°F) | 8°C (46°F) | 10°C (51°F) | 12°C (54°F) |
| Mean minimum | 10°C (51°F) | 11°C (51°F) | 7°C (45°F) | 5°C (41°F) | 1°C (35°F) | -2°C (29°F) | -2°C (29°F) | -0°C (32°F) | 2°C (36°F) | 3°C (37°F) | 7°C (44°F) | 9°C (49°F) |
| Minimum | 8°C (47°F) | 10°C (50°F) | 5°C (42°F) | 4°C (39°F) | -2°C (29°F) | -3°C (27°F) | -4°C (26°F) | -1°C (30°F) | 0°C (33°F) | 2°C (35°F) | 6°C (42°F) | 9°C (48°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Cruz, Chile with other places around the world.
Santa Cruz usually has the most precipitation in June, July and August, with an average of 8 rainy days and 113 mm (4.5 inches) of precipitation per month. The driest months in Santa Cruz are February, March and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 11 (0.4) | 6 (0.2) | 7 (0.3) | 18 (0.7) | 53 (2.1) | 170 (6.7) | 76 (3.0) | 94 (3.7) | 52 (2.0) | 37 (1.5) | 12 (0.5) | 2 (0.1) |
| Average precipitation days (≥ 1 mm) | 1 | 0 | 1 | 2 | 6 | 11 | 6 | 8 | 6 | 4 | 2 | 0 |
The sunniest months in Santa Cruz are March, November and December, when the sun shines an average of 12 hours 18 minutes a day. Least sunny months in Santa Cruz: May, June and July receive an average of 7 hours 8 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 323 | 343 | 355 | 295 | 239 | 188 | 229 | 247 | 289 | 333 | 375 | 401 |
| Mean daily daylight hours | 14h 9m | 13h 18m | 12h 14m | 11h 10m | 10h 16m | 9h 51m | 10h 5m | 10h 52m | 11h 53m | 12h 58m | 13h 55m | 14h 25m |
Santa Cruz experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Santa Cruz UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 14 | 13 | 11 | 7 | 5 | 3 | 4 | 5 | 8 | 11 | 13 | 14 |