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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 tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 29 °C (85 °F) through the year, but rarely can drop to 18 °C (64 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1113 mm (43.8 inches) and receives 95 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Rosa enjoys an average of 3612 hours of sunshine throughout the year, and daylight varies from 11 hours 10 minutes to 13 hours 3 minutes per day.

Monthly average temperatures in Santa Rosa, Mexico

The warmest months in Santa Rosa are May, July and August, with daily mean temperatures ranging from 29 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 25 to 26 °C (77 - 79 °F) throughout the day. On average each year, Santa Rosa experiences 322 days above 25 °C (77.0 °F) and 0 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
Maximum31°C
(88°F)		32°C
(90°F)		34°C
(93°F)		34°C
(94°F)		35°C
(96°F)		35°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		33°C
(92°F)		32°C
(90°F)
Mean maximum31°C
(87°F)		32°C
(89°F)		33°C
(91°F)		34°C
(93°F)		35°C
(95°F)		33°C
(91°F)		34°C
(94°F)		34°C
(93°F)		33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		31°C
(89°F)
Average high28°C
(82°F)		29°C
(84°F)		30°C
(86°F)		31°C
(87°F)		31°C
(89°F)		31°C
(87°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		30°C
(87°F)		29°C
(85°F)		28°C
(83°F)
Daily mean25°C
(77°F)		26°C
(79°F)		27°C
(80°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		28°C
(82°F)		26°C
(80°F)		25°C
(78°F)
Average low23°C
(73°F)		23°C
(74°F)		24°C
(76°F)		26°C
(78°F)		27°C
(80°F)		26°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		24°C
(76°F)		23°C
(74°F)
Mean minimum20°C
(68°F)		20°C
(68°F)		22°C
(71°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		24°C
(75°F)		21°C
(71°F)		20°C
(68°F)
Minimum19°C
(66°F)		18°C
(65°F)		20°C
(68°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		25°C
(76°F)		25°C
(77°F)		23°C
(74°F)		19°C
(66°F)		18°C
(64°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, August and September, with an average of 18 rainy days and 257 mm (10.1 inches) of precipitation per month. The driest months in Santa Rosa are January, March and November. On average, 4 mm (0.1 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)4 (0.2)7 (0.3)3 (0.1)9 (0.4)86 (3.4)342 (13.5)80 (3.2)209 (8.2)219 (8.6)142 (5.6)4 (0.2)7 (0.3)
Average precipitation days (≥ 1 mm)120212211116171111

Monthly sunshine hours in Santa Rosa, Mexico

The sunniest months in Santa Rosa are March, May and July, when the sun shines an average of 10 hours 29 minutes a day. Least sunny months in Santa Rosa: January, February and June receive an average of 8 hours 52 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 hours246280323317323270328308290302309310
Mean daily daylight hours11h 16m11h 36m12h 2m12h 30m12h 52m13h 3m12h 57m12h 37m12h 11m11h 44m11h 21m11h 10m

Solar UV radiation in Santa Rosa, Mexico

Santa Rosa experiences the highest level of ultraviolet (UV) radiation in April, May and July, when the maximum UV index can reach values of 13 - 14, 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)10121313141314131312109