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Monthly climate in San Fernando, Chiapas, Mexico

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Fernando features a tropical savanna climate (Aw).Temperatures typically range between 20 °C (68 °F) and 26 °C (78 °F) through the year, but rarely can drop to 8 °C (48 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1236 mm (48.7 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually.San Fernando enjoys an average of 3397 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 Fernando, Chiapas, Mexico §

The warmest months in San Fernando are April, May and June, with daily mean temperatures ranging from 24 to 26 °C (76 - 78 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 20 to 21 °C (68 - 71 °F) throughout the day. On average each year, San Fernando experiences 287 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 Fernando, 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 32°C
(90°F)		 33°C
(91°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)
Mean maximum 31°C
(88°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(95°F)		 35°C
(94°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(86°F)		 30°C
(87°F)
Average high 26°C
(78°F)		 28°C
(83°F)		 29°C
(85°F)		 31°C
(89°F)		 32°C
(89°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)		 26°C
(79°F)
Daily mean 20°C
(68°F)		 22°C
(71°F)		 23°C
(74°F)		 25°C
(77°F)		 26°C
(78°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 21°C
(71°F)		 20°C
(69°F)
Average low 16°C
(61°F)		 17°C
(62°F)		 18°C
(65°F)		 20°C
(68°F)		 21°C
(70°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 18°C
(65°F)		 16°C
(62°F)
Mean minimum 11°C
(52°F)		 12°C
(54°F)		 14°C
(58°F)		 16°C
(61°F)		 19°C
(66°F)		 19°C
(67°F)		 18°C
(65°F)		 19°C
(66°F)		 19°C
(66°F)		 17°C
(64°F)		 14°C
(57°F)		 11°C
(51°F)
Minimum 9°C
(49°F)		 10°C
(51°F)		 13°C
(56°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(65°F)		 16°C
(61°F)		 12°C
(53°F)		 8°C
(48°F)

Compare climate in San Fernando with other places

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

Monthly average precipitation in San Fernando, Chiapas, Mexico §

San Fernando usually has the most precipitation in June, August and September, with an average of 25 rainy days and 222 mm (8.8 inches) of precipitation per month.The driest months in San Fernando are January, February and March. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Fernando, 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) 16 (0.6) 10 (0.4) 13 (0.5) 27 (1.0) 111 (4.4) 227 (8.9) 163 (6.4) 205 (8.1) 235 (9.3) 177 (7.0) 32 (1.3) 20 (0.8)
Average precipitation days (≥ 1 mm) 4 2 3 6 17 25 24 25 27 21 8 4

Monthly sunshine hours in San Fernando, Chiapas, Mexico §

The sunniest months in San Fernando are March, May and July, when the sun shines an average of 10 hours 0 minutes a day.Least sunny months in San Fernando: January, February and June receive an average of 8 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Fernando, 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 228 270 310 307 313 261 307 296 276 270 270 283
Mean daily daylight hours 11h 14m 11h 35m 12h 2m 12h 31m 12h 54m 13h 6m 13h 0m 12h 39m 12h 11m 11h 43m 11h 19m 11h 7m

Solar UV radiation in San Fernando, Chiapas, Mexico §

San Fernando 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 Fernando UV Index data.

Average daily maximum UV levels by month for San Fernando, 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