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Monthly climate in Colonia 28 de Mayo (Santa Rosa), Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Colonia 28 de Mayo (Santa Rosa) features a oceanic climate (Cfb). Temperatures typically range between 11 °C (53 °F) and 18 °C (65 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1200 mm (47.2 inches) and receives 184 rainy days on the 1 mm (0.04 inches) threshold annually. Colonia 28 de Mayo (Santa Rosa) enjoys an average of 3273 hours of sunshine throughout the year, and daylight varies from 10 hours 55 minutes to 13 hours 19 minutes per day.

Monthly average temperatures in Colonia 28 de Mayo (Santa Rosa), Mexico

The warmest months in Colonia 28 de Mayo (Santa Rosa) are April, May and June, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 11 to 13 °C (53 - 56 °F) throughout the day. On average each year, Colonia 28 de Mayo (Santa Rosa) experiences 49 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Colonia 28 de Mayo (Santa Rosa). Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(80°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		31°C
(88°F)		29°C
(84°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		26°C
(80°F)		25°C
(78°F)		25°C
(77°F)
Mean maximum25°C
(77°F)		26°C
(80°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		27°C
(80°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)
Average high18°C
(65°F)		21°C
(70°F)		23°C
(73°F)		24°C
(76°F)		25°C
(77°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		20°C
(67°F)		19°C
(67°F)
Daily mean11°C
(53°F)		13°C
(57°F)		15°C
(60°F)		17°C
(63°F)		18°C
(65°F)		17°C
(64°F)		17°C
(63°F)		17°C
(63°F)		17°C
(62°F)		15°C
(60°F)		13°C
(56°F)		12°C
(54°F)
Average low6°C
(43°F)		7°C
(46°F)		9°C
(48°F)		11°C
(52°F)		13°C
(55°F)		13°C
(56°F)		13°C
(55°F)		13°C
(55°F)		13°C
(55°F)		11°C
(53°F)		8°C
(47°F)		6°C
(43°F)
Mean minimum1°C
(34°F)		2°C
(37°F)		5°C
(41°F)		7°C
(44°F)		9°C
(49°F)		10°C
(51°F)		10°C
(51°F)		10°C
(51°F)		9°C
(49°F)		7°C
(45°F)		3°C
(37°F)		1°C
(33°F)
Minimum-1°C
(30°F)		1°C
(34°F)		2°C
(36°F)		5°C
(41°F)		7°C
(45°F)		8°C
(47°F)		9°C
(49°F)		8°C
(46°F)		6°C
(44°F)		4°C
(40°F)		-1°C
(31°F)		-4°C
(25°F)

Compare climate in Colonia 28 de Mayo (Santa Rosa) with other places

Compare temperature, precipitation, sunshine, UV index in Colonia 28 de Mayo (Santa Rosa), Mexico with other places around the world.

Monthly average precipitation in Colonia 28 de Mayo (Santa Rosa), Mexico

Colonia 28 de Mayo (Santa Rosa) usually has the most precipitation in June, August and September, with an average of 24 rainy days and 196 mm (7.7 inches) of precipitation per month. The driest months in Colonia 28 de Mayo (Santa Rosa) are January, February and December. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Colonia 28 de Mayo (Santa Rosa). Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)26 (1.0)25 (1.0)40 (1.6)57 (2.2)87 (3.4)187 (7.4)145 (5.7)189 (7.4)212 (8.3)163 (6.4)51 (2.0)18 (0.7)
Average precipitation days (≥ 1 mm)57814172426262418105

Monthly sunshine hours in Colonia 28 de Mayo (Santa Rosa), Mexico

The sunniest months in Colonia 28 de Mayo (Santa Rosa) are May, July and August, when the sun shines an average of 9 hours 55 minutes a day. Least sunny months in Colonia 28 de Mayo (Santa Rosa): January, February and November receive an average of 7 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Colonia 28 de Mayo (Santa Rosa). Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours206246290297319283306297264253244263
Mean daily daylight hours11h 3m11h 28m12h 2m12h 36m13h 5m13h 19m13h 11m12h 46m12h 13m11h 38m11h 9m10h 55m

Solar UV radiation in Colonia 28 de Mayo (Santa Rosa), Mexico

Colonia 28 de Mayo (Santa Rosa) experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 14 - 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 9. For more detailed information, check out our hourly Colonia 28 de Mayo (Santa Rosa) UV Index data.

Average daily maximum UV levels by month for Colonia 28 de Mayo (Santa Rosa). Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)811131414141414131298