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Monthly climate in Santa Rosa, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Rosa features a cold semi-arid climate (BSk). Temperatures typically range between 13 °C (55 °F) and 21 °C (71 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 35 °C (94 °F). The average annual precipitation amounts to about 602 mm (23.7 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Rosa enjoys an average of 3591 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Santa Rosa, Mexico

The warmest months in Santa Rosa are April, May and June, with daily mean temperatures ranging from 20 to 21 °C (68 - 71 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 13 to 15 °C (55 - 58 °F) throughout the day. On average each year, Santa Rosa experiences 182 days above 25 °C (77.0 °F) and 2 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 Rosa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(82°F)		31°C
(87°F)		33°C
(92°F)		34°C
(93°F)		35°C
(94°F)		34°C
(93°F)		31°C
(88°F)		32°C
(89°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		27°C
(81°F)
Mean maximum26°C
(79°F)		29°C
(85°F)		31°C
(88°F)		32°C
(90°F)		33°C
(92°F)		32°C
(89°F)		29°C
(85°F)		30°C
(86°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		26°C
(79°F)
Average high22°C
(71°F)		24°C
(76°F)		27°C
(81°F)		29°C
(84°F)		30°C
(86°F)		27°C
(81°F)		26°C
(79°F)		26°C
(80°F)		25°C
(76°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)
Daily mean13°C
(55°F)		15°C
(60°F)		18°C
(64°F)		20°C
(68°F)		21°C
(71°F)		20°C
(68°F)		19°C
(67°F)		20°C
(67°F)		18°C
(65°F)		17°C
(63°F)		15°C
(58°F)		13°C
(55°F)
Average low6°C
(42°F)		7°C
(46°F)		9°C
(49°F)		12°C
(53°F)		13°C
(56°F)		14°C
(58°F)		14°C
(57°F)		14°C
(58°F)		14°C
(57°F)		12°C
(53°F)		8°C
(47°F)		5°C
(42°F)
Mean minimum-0°C
(32°F)		2°C
(35°F)		4°C
(40°F)		7°C
(45°F)		10°C
(50°F)		12°C
(53°F)		11°C
(53°F)		12°C
(53°F)		10°C
(51°F)		6°C
(44°F)		3°C
(37°F)		-1°C
(31°F)
Minimum-1°C
(30°F)		0°C
(33°F)		0°C
(33°F)		6°C
(44°F)		8°C
(46°F)		9°C
(49°F)		11°C
(52°F)		11°C
(52°F)		7°C
(46°F)		2°C
(37°F)		-0°C
(32°F)		-3°C
(26°F)

Compare climate in Santa Rosa with other places

Compare temperature, precipitation, sunshine, UV index in Santa Rosa, Mexico with other places around the world.

Monthly average precipitation in Santa Rosa, Mexico

Santa Rosa usually has the most precipitation in June, July and September, with an average of 15 rainy days and 116 mm (4.6 inches) of precipitation per month. The driest months in Santa Rosa are January, April and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Rosa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)7 (0.3)10 (0.4)14 (0.5)9 (0.4)45 (1.8)120 (4.7)106 (4.2)77 (3.0)121 (4.8)63 (2.5)23 (0.9)7 (0.3)
Average precipitation days (≥ 1 mm)23327141412171041

Monthly sunshine hours in Santa Rosa, Mexico

The sunniest months in Santa Rosa are May, July and August, when the sun shines an average of 10 hours 44 minutes a day. Least sunny months in Santa Rosa: January, February and November receive an average of 8 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Rosa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours229268316322342319330326286285278284
Mean daily daylight hours10h 58m11h 26m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 13m11h 37m11h 5m10h 50m

Solar UV radiation in Santa Rosa, Mexico

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.

Average daily maximum UV levels by month for Santa Rosa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9111415151414141413108