Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Santa Rosa features a cold semi-arid climate (BSk).Temperatures typically range between 11 °C (52 °F) and 20 °C (69 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 33 °C (93 °F).The average annual precipitation amounts to about 657 mm (25.9 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually.Santa Rosa enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 30 minutes per day.
The warmest months in Santa Rosa are May, June and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 13 °C (52 - 56 °F) throughout the day. On average each year, Santa Rosa experiences 112 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 25°C (78°F) | 28°C (83°F) | 31°C (88°F) | 31°C (88°F) | 33°C (93°F) | 33°C (92°F) | 29°C (85°F) | 29°C (84°F) | 26°C (79°F) | 26°C (80°F) | 27°C (81°F) | 25°C (78°F) |
Mean maximum | 24°C (75°F) | 26°C (80°F) | 28°C (83°F) | 29°C (85°F) | 31°C (88°F) | 31°C (88°F) | 28°C (82°F) | 27°C (81°F) | 25°C (78°F) | 26°C (79°F) | 25°C (78°F) | 24°C (75°F) |
Average high | 19°C (66°F) | 21°C (70°F) | 25°C (77°F) | 26°C (80°F) | 28°C (82°F) | 27°C (80°F) | 24°C (76°F) | 24°C (76°F) | 22°C (73°F) | 23°C (73°F) | 22°C (71°F) | 19°C (67°F) |
Daily mean | 11°C (52°F) | 13°C (56°F) | 16°C (62°F) | 18°C (65°F) | 20°C (69°F) | 20°C (69°F) | 18°C (65°F) | 19°C (66°F) | 17°C (63°F) | 16°C (61°F) | 14°C (57°F) | 11°C (52°F) |
Average low | 4°C (40°F) | 6°C (43°F) | 8°C (46°F) | 9°C (49°F) | 12°C (53°F) | 14°C (58°F) | 13°C (56°F) | 13°C (56°F) | 12°C (55°F) | 10°C (51°F) | 7°C (44°F) | 5°C (40°F) |
Mean minimum | -1°C (30°F) | 1°C (34°F) | 4°C (40°F) | 5°C (41°F) | 8°C (46°F) | 11°C (53°F) | 11°C (53°F) | 11°C (52°F) | 9°C (49°F) | 6°C (43°F) | 1°C (34°F) | -2°C (29°F) |
Minimum | -4°C (25°F) | -2°C (29°F) | 2°C (37°F) | 3°C (37°F) | 6°C (44°F) | 9°C (49°F) | 10°C (51°F) | 10°C (50°F) | 8°C (46°F) | 5°C (41°F) | -4°C (26°F) | -8°C (18°F) |
Compare temperature, precipitation, sunshine, UV index in Santa Rosa, Zacatecas, Mexico with other places around the world.
Santa Rosa usually has the most precipitation in July, August and September, with an average of 16 rainy days and 141 mm (5.6 inches) of precipitation per month.The driest months in Santa Rosa are February, March and April. On average, 7 mm (0.3 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 17 (0.7) | 11 (0.4) | 6 (0.2) | 5 (0.2) | 19 (0.8) | 94 (3.7) | 182 (7.2) | 100 (3.9) | 141 (5.6) | 55 (2.1) | 17 (0.7) | 12 (0.5) |
Average precipitation days (≥ 1 mm) | 2 | 1 | 1 | 1 | 4 | 11 | 18 | 12 | 19 | 8 | 2 | 1 |
The sunniest months in Santa Rosa are May, June and August, when the sun shines an average of 11 hours 0 minutes a day.Least sunny months in Santa Rosa: January, February and December receive an average of 8 hours 34 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 230 | 267 | 319 | 328 | 349 | 329 | 326 | 333 | 285 | 295 | 284 | 282 |
Mean daily daylight hours | 10h 53m | 11h 23m | 12h 1m | 12h 41m | 13h 14m | 13h 30m | 13h 21m | 12h 52m | 12h 14m | 11h 35m | 11h 1m | 10h 44m |
Santa Rosa experiences the highest level of ultraviolet (UV) radiation in April, May and September, 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 Rosa UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 8 | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |