Best time to visit El Salvador: weather and seasons by month

El Salvador has two seasons, not four: dry from November to April, wet from May to October. The table below is the quick read; the sections after it explain what changes on the ground.

Start with what you want to do. If the trip is volcanoes, coffee towns and the colonial cities, book inside the dry window from November to April. Views from the Santa Ana volcano and the lake at Coatepeque depend on clear mornings, and the Ruta de las Flores is far more pleasant without daily afternoon rain. December and January give dry weather plus green landscapes left over from the rains.

If the trip is surfing, the logic flips. The bigger south swells arrive in the wet season, roughly April to October, and the coast is hot year-round at about 30–33 °C. You trade dry mornings for heavy afternoon showers and a real risk of storm systems in September and October. Many surf-focused travellers accept that trade; most other travellers should not.

Then check the calendar for holidays. Semana Santa, which falls in March or April, fills the beaches and pushes up prices; Fiestas Agostinas runs 1–6 August and is a national holiday peak with San Salvador at its busiest. Christmas and New Year are busy but short. If your dates are flexible, the cheapest and quietest months are May, June and September — wet, but with lower prices and fewer people.

Finally, build in altitude. San Salvador, Santa Ana, Suchitoto and the Ruta de las Flores sit in the highlands and run cooler than the coast, especially Apaneca and Ataco at about 1,400 m. Montecristo and El Pital are cloud forest: cool, misty and wet for much of the year, and Montecristo's core area closes during the breeding season, roughly May to October (check).

October is the month to avoid if you have any flexibility. It is the wettest month, and the Pacific storm season brings flooding and landslides, which can close roads between the coast and the highlands. September is also heavy, with Independence Day on 15 September adding domestic travel.

Rain in the wet season is usually not all-day: mornings are often clear and the storms build in the afternoon. That pattern lets you hike early and stay flexible later. It also means a wet-season trip can work well if you keep plans loose and avoid fixed long drives in the late afternoon.

Heat is the other variable. April is the hottest month, and the coast stays hot all year, so plan shade, water and early starts rather than midday activity. In the highlands, evenings can be cool enough for a light jacket, particularly in the coffee towns.