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Monthly climate in Santiago, Guerrero, Mexico

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Santiago features a tropical savanna climate (Aw). Temperatures typically range between 21 °C (70 °F) and 24 °C (76 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 2152 mm (84.7 inches) and receives 187 rainy days on the 1 mm (0.04 inches) threshold annually. Santiago enjoys an average of 3405 hours of sunshine throughout the year, and daylight varies from 11 hours 6 minutes to 13 hours 7 minutes per day.

Monthly average temperatures in Santiago, Guerrero, Mexico §

The warmest months in Santiago are May, July and August, with daily mean temperatures ranging from 23 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 21 to 22 °C (70 - 71 °F) throughout the day. On average each year, Santiago experiences 314 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 Santiago, 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 29°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)		 32°C
(91°F)		 33°C
(91°F)		 30°C
(87°F)		 31°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(85°F)
Mean maximum 28°C
(83°F)		 29°C
(85°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)
Average high 26°C
(80°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 27°C
(81°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(80°F)
Daily mean 21°C
(70°F)		 22°C
(71°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 23°C
(74°F)		 24°C
(75°F)		 23°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(73°F)		 21°C
(71°F)
Average low 17°C
(63°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 19°C
(66°F)		 17°C
(63°F)
Mean minimum 14°C
(58°F)		 15°C
(59°F)		 16°C
(61°F)		 16°C
(61°F)		 18°C
(64°F)		 19°C
(67°F)		 20°C
(67°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(66°F)		 16°C
(62°F)		 15°C
(59°F)
Minimum 13°C
(56°F)		 13°C
(56°F)		 15°C
(59°F)		 15°C
(59°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(67°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(64°F)		 15°C
(59°F)		 14°C
(57°F)

Compare climate in Santiago with other places

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

Monthly average precipitation in Santiago, Guerrero, Mexico §

Santiago usually has the most precipitation in June, August and September, with an average of 28 rainy days and 423 mm (16.7 inches) of precipitation per month. The driest months in Santiago are February, March and April. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santiago, 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) 12 (0.5) 8 (0.3) 9 (0.3) 6 (0.3) 95 (3.7) 391 (15.4) 302 (11.9) 426 (16.8) 453 (17.9) 336 (13.2) 92 (3.6) 23 (0.9)
Average precipitation days (≥ 1 mm) 4 1 2 1 12 26 27 29 29 30 19 7

Monthly sunshine hours in Santiago, Guerrero, Mexico §

The sunniest months in Santiago are March, April and May, when the sun shines an average of 10 hours 32 minutes a day. Least sunny months in Santiago: January, August and September receive an average of 8 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santiago, 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 242 280 319 322 327 262 297 257 244 265 288 297
Mean daily daylight hours 11h 12m 11h 34m 12h 2m 12h 31m 12h 56m 13h 7m 13h 1m 12h 39m 12h 12m 11h 43m 11h 18m 11h 6m

Solar UV radiation in Santiago, Guerrero, Mexico §

Santiago 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 10. For more detailed information, check out our hourly Santiago UV Index data.

Average daily maximum UV levels by month for Santiago, 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) 10 11 13 14 13 14 13 13 13 12 9 8

Detailed Monthly Weather Insights for Santiago, Guerrero, Mexico

Discover in-depth weather details for every month in Santiago. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Santiago's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.