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Monthly climate in San Sebastian, San Vicente, El Salvador

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Sebastian features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (78 °F) and 28 °C (83 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1719 mm (67.7 inches) and receives 174 rainy days on the 1 mm (0.04 inches) threshold annually.San Sebastian enjoys an average of 3670 hours of sunshine throughout the year, and daylight varies from 11 hours 18 minutes to 12 hours 55 minutes per day.

Monthly average temperatures in San Sebastian, San Vicente, El Salvador §

The warmest months in San Sebastian are March, April and July, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in October, November and December, when daily mean temperatures range from 26 to 26 °C (78 - 79 °F) throughout the day. On average each year, San Sebastian experiences 328 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 Sebastian, San Vicente, El Salvador.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
(98°F)		 39°C
(103°F)		 38°C
(101°F)		 39°C
(102°F)		 36°C
(98°F)		 36°C
(97°F)		 36°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(97°F)
Mean maximum 36°C
(97°F)		 37°C
(99°F)		 38°C
(100°F)		 38°C
(101°F)		 35°C
(96°F)		 33°C
(92°F)		 36°C
(96°F)		 36°C
(96°F)		 34°C
(93°F)		 33°C
(92°F)		 34°C
(93°F)		 35°C
(95°F)
Average high 33°C
(92°F)		 35°C
(95°F)		 36°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 31°C
(88°F)		 33°C
(92°F)		 33°C
(91°F)		 32°C
(89°F)		 31°C
(87°F)		 32°C
(89°F)		 33°C
(91°F)
Daily mean 26°C
(79°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)
Average low 21°C
(69°F)		 21°C
(70°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(71°F)		 21°C
(69°F)
Mean minimum 17°C
(63°F)		 18°C
(65°F)		 19°C
(67°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(67°F)		 18°C
(64°F)
Minimum 15°C
(59°F)		 16°C
(61°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 21°C
(69°F)		 20°C
(69°F)		 18°C
(64°F)		 17°C
(64°F)

Compare climate in San Sebastian with other places

Compare temperature, precipitation, sunshine, UV index in San Sebastian, San Vicente, El Salvador with other places around the world.

Monthly average precipitation in San Sebastian, San Vicente, El Salvador §

San Sebastian usually has the most precipitation in May, June and October, with an average of 26 rainy days and 309 mm (12.2 inches) of precipitation per month.The driest months in San Sebastian are January, February and March. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Sebastian, San Vicente, El Salvador.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) 5 (0.2) 5 (0.2) 53 (2.1) 311 (12.3) 303 (11.9) 136 (5.4) 240 (9.5) 277 (10.9) 314 (12.3) 66 (2.6) 7 (0.3)
Average precipitation days (≥ 1 mm) 0 0 1 14 26 26 17 24 28 28 9 1

Monthly sunshine hours in San Sebastian, San Vicente, El Salvador §

The sunniest months in San Sebastian are March, July and December, when the sun shines an average of 10 hours 34 minutes a day.Least sunny months in San Sebastian: January, June and October receive an average of 9 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Sebastian, San Vicente, El Salvador.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 263 293 328 319 313 285 329 314 299 289 307 325
Mean daily daylight hours 11h 23m 11h 40m 12h 3m 12h 26m 12h 45m 12h 55m 12h 50m 12h 32m 12h 10m 11h 47m 11h 28m 11h 18m

Solar UV radiation in San Sebastian, San Vicente, El Salvador §

San Sebastian 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 / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly San Sebastian UV Index data.

Average daily maximum UV levels by month for San Sebastian, San Vicente, El Salvador.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) 11 12 14 14 14 14 13 13 13 13 10 9