Climate almanac
San Juan Opico
La Libertad Department, El Salvador · 13.88°, -89.36°
What is the climate like in San Juan Opico?
The best time to visit San Juan Opico is typically November – April, with trip comfort peaking in January (9.1/10). San Juan Opico is warmest in April, when daily highs average 96°F (36°C), and coolest in January, when lows fall to about 69°F (20°C). The wettest month is typically June and the driest is February; the year sees roughly 31 in (782 mm) of precipitation.
- Best time to visitNovember – April — comfort peaks in January (9.1/10)
- Warmest monthApril — average high 96°F (36°C)
- Coolest monthJanuary — average low 69°F (20°C)
- Wettest monthJune (8.2 in (208 mm))
- Driest monthFebruary (0.0 in (1 mm))
- Annual precipitation31 in (782 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSan Salvador/ilopan, 33 km away (1957-2025)