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Monthly climate in San Salvador, Chiapas, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Salvador features a subtropical climate (Cwb).Temperatures typically range between 18 °C (64 °F) and 23 °C (74 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1844 mm (72.6 inches) and receives 208 rainy days on the 1 mm (0.04 inches) threshold annually.San Salvador enjoys an average of 3531 hours of sunshine throughout the year, and daylight varies from 11 hours 7 minutes to 13 hours 6 minutes per day.

Monthly average temperatures in San Salvador, Chiapas, Mexico §

The warmest months in San Salvador are April, May and June, with daily mean temperatures ranging from 22 to 23 °C (72 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 18 to 19 °C (64 - 66 °F) throughout the day. On average each year, San Salvador experiences 239 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 Salvador, Chiapas, 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 30°C
(86°F)		 32°C
(90°F)		 33°C
(91°F)		 37°C
(99°F)		 36°C
(97°F)		 33°C
(92°F)		 31°C
(88°F)		 31°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 29°C
(85°F)		 28°C
(83°F)
Mean maximum 29°C
(84°F)		 30°C
(86°F)		 32°C
(89°F)		 34°C
(94°F)		 33°C
(92°F)		 30°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 28°C
(82°F)		 28°C
(82°F)
Average high 23°C
(73°F)		 25°C
(77°F)		 26°C
(80°F)		 29°C
(85°F)		 29°C
(85°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 24°C
(75°F)		 23°C
(74°F)
Daily mean 18°C
(64°F)		 19°C
(66°F)		 20°C
(68°F)		 23°C
(73°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 21°C
(70°F)		 19°C
(67°F)		 18°C
(65°F)
Average low 13°C
(56°F)		 13°C
(56°F)		 14°C
(58°F)		 16°C
(61°F)		 18°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 17°C
(64°F)		 18°C
(64°F)		 18°C
(64°F)		 15°C
(60°F)		 13°C
(57°F)
Mean minimum 8°C
(46°F)		 9°C
(48°F)		 10°C
(50°F)		 12°C
(53°F)		 15°C
(60°F)		 16°C
(61°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(61°F)		 14°C
(58°F)		 11°C
(53°F)		 7°C
(46°F)
Minimum 4°C
(40°F)		 6°C
(43°F)		 8°C
(46°F)		 9°C
(48°F)		 12°C
(55°F)		 15°C
(60°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(60°F)		 13°C
(55°F)		 8°C
(47°F)		 4°C
(40°F)

Compare climate in San Salvador with other places

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

Monthly average precipitation in San Salvador, Chiapas, Mexico §

San Salvador usually has the most precipitation in June, September and October, with an average of 25 rainy days and 277 mm (10.9 inches) of precipitation per month.The driest months in San Salvador are February, March and April. On average, 57 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Salvador, Chiapas, 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) 99 (3.9) 50 (2.0) 39 (1.5) 81 (3.2) 175 (6.9) 292 (11.5) 117 (4.6) 189 (7.5) 240 (9.5) 298 (11.7) 169 (6.7) 93 (3.7)
Average precipitation days (≥ 1 mm) 11 8 9 11 20 25 19 25 26 24 17 13

Monthly sunshine hours in San Salvador, Chiapas, Mexico §

The sunniest months in San Salvador are May, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in San Salvador: January, February and November receive an average of 8 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Salvador, Chiapas, 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 220 272 311 307 316 286 330 325 300 289 281 287
Mean daily daylight hours 11h 13m 11h 35m 12h 2m 12h 31m 12h 55m 13h 6m 13h 0m 12h 39m 12h 11m 11h 43m 11h 19m 11h 7m

Solar UV radiation in San Salvador, Chiapas, Mexico §

San Salvador experiences the highest level of ultraviolet (UV) radiation in March, April and May, 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 10. For more detailed information, check out our hourly San Salvador UV Index data.

Average daily maximum UV levels by month for San Salvador, Chiapas, 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 12 14 14 14 14 14 13 13 12 10 9