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Monthly climate in San Juan Opico, La Libertad, El Salvador

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Juan Opico features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (78 °F) and 29 °C (84 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 786 mm (31.0 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually.San Juan Opico enjoys an average of 3590 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 Juan Opico, La Libertad, El Salvador §

The warmest months in San Juan Opico 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, November and December, when daily mean temperatures range from 26 to 26 °C (78 - 79 °F) throughout the day. On average each year, San Juan Opico 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 Juan Opico, La Libertad, 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)		 38°C
(101°F)		 40°C
(104°F)		 39°C
(103°F)		 39°C
(102°F)		 38°C
(100°F)		 39°C
(102°F)		 38°C
(100°F)		 37°C
(100°F)		 36°C
(98°F)		 36°C
(97°F)		 36°C
(98°F)
Mean maximum 36°C
(96°F)		 37°C
(98°F)		 38°C
(101°F)		 38°C
(101°F)		 38°C
(100°F)		 35°C
(95°F)		 37°C
(100°F)		 37°C
(99°F)		 36°C
(97°F)		 35°C
(94°F)		 35°C
(95°F)		 36°C
(96°F)
Average high 33°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(90°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 32°C
(89°F)		 32°C
(91°F)		 33°C
(91°F)
Daily mean 26°C
(78°F)		 27°C
(81°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(80°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)
Average low 20°C
(68°F)		 21°C
(70°F)		 22°C
(71°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(69°F)
Mean minimum 16°C
(62°F)		 18°C
(65°F)		 18°C
(65°F)		 20°C
(69°F)		 21°C
(71°F)		 22°C
(71°F)		 21°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 19°C
(67°F)		 17°C
(63°F)
Minimum 14°C
(58°F)		 15°C
(59°F)		 16°C
(62°F)		 19°C
(67°F)		 21°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 19°C
(67°F)		 17°C
(64°F)		 16°C
(61°F)

Compare climate in San Juan Opico with other places

Compare temperature, precipitation, sunshine, UV index in San Juan Opico, La Libertad, El Salvador with other places around the world.

Monthly average precipitation in San Juan Opico, La Libertad, El Salvador §

San Juan Opico usually has the most precipitation in June, September and October, with an average of 20 rainy days and 151 mm (6.0 inches) of precipitation per month.The driest months in San Juan Opico are January, February and March. On average, 1 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan Opico, La Libertad, 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) 1 (0.1) 2 (0.1) 1 (0.0) 16 (0.6) 125 (4.9) 171 (6.7) 58 (2.3) 91 (3.6) 155 (6.1) 128 (5.1) 35 (1.4) 2 (0.1)
Average precipitation days (≥ 1 mm) 0 0 0 5 19 22 13 17 21 19 3 0

Monthly sunshine hours in San Juan Opico, La Libertad, El Salvador §

The sunniest months in San Juan Opico are March, July and December, when the sun shines an average of 10 hours 28 minutes a day.Least sunny months in San Juan Opico: January, June and October receive an average of 8 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan Opico, La Libertad, 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 260 289 326 315 302 272 324 303 287 278 305 324
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 Juan Opico, La Libertad, El Salvador §

San Juan Opico 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 Juan Opico UV Index data.

Average daily maximum UV levels by month for San Juan Opico, La Libertad, 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 13 14 14 14 14 14 13 13 13 10 9