Last updated: July 31, 2025
Under the Köppen–Geiger climate classification Santa Cruz features a cold semi-arid climate (BSk). Temperatures typically range between 8 °C (46 °F) and 26 °C (79 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 40 °C (103 °F). The average annual precipitation amounts to about 448 mm (17.7 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Cruz enjoys an average of 3605 hours of sunshine throughout the year, and daylight varies from 10 hours 8 minutes to 14 hours 7 minutes per day.
The warmest months in Santa Cruz are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Santa Cruz experiences 160 days above 25 °C (77.0 °F) and 23 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 (78°F) | 28°C (83°F) | 33°C (91°F) | 35°C (95°F) | 40°C (103°F) | 39°C (103°F) | 37°C (100°F) | 35°C (94°F) | 33°C (92°F) | 29°C (84°F) | 22°C (72°F) |
| Mean maximum | 22°C (71°F) | 22°C (72°F) | 26°C (79°F) | 31°C (88°F) | 33°C (92°F) | 37°C (99°F) | 36°C (98°F) | 34°C (94°F) | 33°C (92°F) | 30°C (87°F) | 26°C (79°F) | 21°C (71°F) |
| Average high | 15°C (60°F) | 16°C (61°F) | 19°C (67°F) | 25°C (76°F) | 28°C (83°F) | 33°C (92°F) | 31°C (88°F) | 30°C (87°F) | 29°C (84°F) | 25°C (78°F) | 21°C (70°F) | 15°C (59°F) |
| Daily mean | 8°C (46°F) | 9°C (48°F) | 12°C (54°F) | 17°C (62°F) | 20°C (69°F) | 26°C (79°F) | 24°C (76°F) | 24°C (75°F) | 22°C (72°F) | 18°C (65°F) | 14°C (57°F) | 8°C (47°F) |
| Average low | 2°C (36°F) | 3°C (37°F) | 5°C (42°F) | 9°C (48°F) | 12°C (53°F) | 17°C (63°F) | 19°C (66°F) | 18°C (65°F) | 16°C (62°F) | 11°C (53°F) | 8°C (46°F) | 3°C (38°F) |
| Mean minimum | -5°C (24°F) | -5°C (23°F) | -2°C (29°F) | 2°C (36°F) | 6°C (43°F) | 13°C (55°F) | 15°C (60°F) | 16°C (60°F) | 12°C (54°F) | 3°C (38°F) | 2°C (35°F) | -4°C (26°F) |
| Minimum | -8°C (18°F) | -12°C (11°F) | -4°C (24°F) | -0°C (32°F) | 3°C (38°F) | 12°C (53°F) | 15°C (59°F) | 13°C (56°F) | 9°C (49°F) | -3°C (27°F) | -2°C (28°F) | -5°C (23°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Cruz, Mexico with other places around the world.
Santa Cruz usually has the most precipitation in July, August and September, with an average of 13 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in Santa Cruz are April, May and June. On average, 6 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) | 30 (1.2) | 35 (1.4) | 23 (0.9) | 4 (0.1) | 4 (0.2) | 9 (0.4) | 137 (5.4) | 96 (3.8) | 36 (1.4) | 17 (0.7) | 33 (1.3) | 25 (1.0) |
| Average precipitation days (≥ 1 mm) | 3 | 5 | 3 | 1 | 1 | 2 | 19 | 14 | 6 | 1 | 3 | 4 |
The sunniest months in Santa Cruz are May, June and July, when the sun shines an average of 11 hours 41 minutes a day. Least sunny months in Santa Cruz: January, February and December receive an average of 7 hours 36 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 203 | 242 | 301 | 335 | 371 | 366 | 338 | 327 | 307 | 301 | 262 | 247 |
| Mean daily daylight hours | 10h 21m | 11h 5m | 12h 0m | 12h 57m | 13h 44m | 14h 7m | 13h 55m | 13h 12m | 12h 18m | 11h 21m | 10h 32m | 10h 8m |
Santa Cruz experiences the highest level of ultraviolet (UV) radiation in April, June and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. 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) | 5 | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 9 | 6 | 5 |