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San Salvador

Weather in Сан-Сальвадор by month: what to expect

Photo: Sammiethedeadrat, CC BY-SA 3.0

Weather overview

The weather in Сан-Сальвадор remains warm year-round, with only subtle shifts in temperature. The city enjoys a tropical climate, where the difference between the coolest and warmest months rarely exceeds a few degrees. This consistency makes Сан-Сальвадор a destination where you can expect pleasant conditions almost any time of the year.

While the temperature in Сан-Сальвадор stays within a narrow range, the city’s seasons are more about subtle variations than dramatic changes. The warmest period falls between March and April, when daytime highs reach around +29 °C. Even during the cooler months, such as December and January, the air rarely drops below +17 °C at night, ensuring comfortable evenings.

Temperature

In Сан-Сальвадор, the average temperature hovers around +22 °C throughout the year, with only minor fluctuations. The hottest months, March and April, see daytime highs of +29 °C, while the coolest nights occur in January and December, when temperatures can dip to +17 °C. These small variations mean that Сан-Сальвадор rarely feels extreme, whether you visit in the dry or wet season.

The most noticeable shift in Сан-Сальвадор’s weather comes in the form of daytime warmth. From May onward, the highs gradually ease, settling around +27 °C by June and remaining there through October. Nights stay mild, with lows around +19 °C during these months. Even in the cooler part of the year, the difference between day and night is modest, making layering unnecessary for most travelers.

Average air temperature °C
Average air temperature
Month Minimum Maximum
January 16.9 28.2
February 16.9 28.8
March 17.7 29.1
April 18.7 29
May 19.3 27.7
June 19 26.4
July 18.6 27
August 18.8 26.9
September 19.5 27.7
October 19.4 27.6
November 17.9 26.8
December 17 27.3

Precipitation

Rainfall data for Сан-Сальвадор is not available in the current records, but the city’s tropical climate typically includes a distinct wet season. If you prefer drier conditions, planning your visit outside the usual rainy months—often between May and October—may help avoid sudden downpours.

While the exact rainfall patterns in Сан-Сальвадор aren’t detailed here, travelers should be prepared for the possibility of rain if visiting during the wetter part of the year. Even in the dry season, brief showers can occur, so packing a light rain jacket or umbrella is a practical choice for any trip to Сан-Сальвадор.

What to pack

Since Сан-Сальвадор enjoys warm weather year-round, lightweight and breathable clothing is ideal for any visit. During the hottest months, March and April, when temperatures reach +29 °C, opt for loose-fitting fabrics to stay comfortable. Even in the cooler evenings, a light sweater or long-sleeve shirt is usually enough to keep warm.

If you’re traveling to Сан-Сальвадор during the wet season, consider packing a compact umbrella or a waterproof layer. While the exact rainfall isn’t specified, sudden showers are common in tropical climates. Comfortable walking shoes are also a good idea, as the city’s terrain can be uneven, and you’ll likely spend time exploring on foot.

Average monthly wind m/s
Average monthly wind
Month Wind speed
January 3.8
February 3.8
March 3.8
April 3.4
May 3
June 3
July 3.7
August 3.2
September 2.6
October 2.8
November 3.6
December 3.8