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Monthly climate in San Marcos, Guerrero, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Marcos features a tropical savanna climate (Aw).Temperatures typically range between 27 °C (80 °F) and 29 °C (84 °F) through the year, but rarely can drop to 18 °C (64 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1215 mm (47.8 inches) and receives 114 rainy days on the 1 mm (0.04 inches) threshold annually.San Marcos enjoys an average of 3497 hours of sunshine throughout the year, and daylight varies from 11 hours 8 minutes to 13 hours 5 minutes per day.

Monthly average temperatures in San Marcos, Guerrero, Mexico §

The warmest months in San Marcos are April, May and July, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, San Marcos experiences 329 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 San Marcos, Guerrero, Mexico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 36°C
(97°F)		 36°C
(98°F)		 37°C
(98°F)		 37°C
(99°F)		 38°C
(101°F)		 38°C
(101°F)		 38°C
(101°F)		 37°C
(99°F)		 37°C
(99°F)		 34°C
(94°F)		 37°C
(98°F)		 35°C
(95°F)
Mean maximum 35°C
(96°F)		 36°C
(96°F)		 36°C
(97°F)		 36°C
(98°F)		 37°C
(98°F)		 35°C
(95°F)		 36°C
(98°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(93°F)		 35°C
(96°F)		 34°C
(94°F)
Average high 33°C
(91°F)		 33°C
(92°F)		 34°C
(93°F)		 34°C
(94°F)		 34°C
(94°F)		 32°C
(90°F)		 33°C
(92°F)		 33°C
(91°F)		 31°C
(89°F)		 31°C
(89°F)		 33°C
(91°F)		 32°C
(91°F)
Daily mean 27°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)
Average low 22°C
(72°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)		 22°C
(71°F)
Mean minimum 20°C
(67°F)		 20°C
(68°F)		 21°C
(70°F)		 21°C
(70°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(69°F)		 20°C
(68°F)
Minimum 19°C
(66°F)		 18°C
(64°F)		 20°C
(68°F)		 20°C
(68°F)		 21°C
(70°F)		 23°C
(73°F)		 22°C
(72°F)		 23°C
(73°F)		 22°C
(73°F)		 22°C
(72°F)		 19°C
(67°F)		 19°C
(66°F)

Compare climate in San Marcos with other places

Compare temperature, precipitation, sunshine, UV index in San Marcos, Guerrero, Mexico with other places around the world.

Monthly average precipitation in San Marcos, Guerrero, Mexico §

San Marcos usually has the most precipitation in June, August and September, with an average of 22 rainy days and 267 mm (10.5 inches) of precipitation per month.The driest months in San Marcos are February, March and April. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Marcos, Guerrero, Mexico.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 2 (0.1) 1 (0.0) 0 (0.0) 1 (0.1) 13 (0.5) 237 (9.3) 105 (4.1) 262 (10.3) 303 (11.9) 228 (9.0) 43 (1.7) 19 (0.8)
Average precipitation days (≥ 1 mm) 0 0 0 0 4 21 15 22 24 22 5 1

Monthly sunshine hours in San Marcos, Guerrero, Mexico §

The sunniest months in San Marcos are March, April and May, when the sun shines an average of 10 hours 34 minutes a day.Least sunny months in San Marcos: January, June and September receive an average of 8 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Marcos, Guerrero, Mexico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 243 281 321 321 329 275 311 281 263 277 293 297
Mean daily daylight hours 11h 14m 11h 35m 12h 2m 12h 31m 12h 54m 13h 5m 12h 59m 12h 38m 12h 11m 11h 43m 11h 19m 11h 8m

Solar UV radiation in San Marcos, Guerrero, Mexico §

San Marcos experiences the highest level of ultraviolet (UV) radiation in April, June and September, 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 9. For more detailed information, check out our hourly San Marcos UV Index data.

Average daily maximum UV levels by month for San Marcos, Guerrero, Mexico.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 9 11 13 13 13 14 13 13 13 11 9 8