San Sebastian is a city of approximately 7,300 people in San Vicente Department, El Salvador. Located in the America/El Salvador time zone at 13.7°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, San Sebastian recorded a mean annual temperature of 76°F, ranging from 64°F lows in November to 98°F highs in April, with about 59 inches of precipitation across the year.
View historical weather for San Sebastian · More cities in San Vicente Department