San Salvador Weather in January
During January, San Salvador experiences very high daytime temperatures of 33°C (91°F) and cooler nights around 20°C (68°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in San Salvador in January
Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities. Analyzing past climate data, one can expect approximately 4 days of rain, averaging 4.1 mm (0.2 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in San Salvador in January
January is one of the better months to visit San Salvador. Expect 33°C (91°F) during the day and 20°C (68°F) at night. It's usually most comfortable outside during the morning and later in the day. At 20°C (68°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in San Salvador in January
There are approximately 303 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in San Salvador in January
Average wind speeds reach 3 m/s (6 knots) in January, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.If your ideal day consists of dry skies and pleasant temperatures, December typically offers the best circumstances for San Salvador.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit El Salvador, check out our San Salvador's climate page.
San Salvador Temperature in January
Min Temperature
20°C (68°F)
Max Temperature
33°C (91°F)
Chance of Rain
14%
Precipitation
4.1 mm (0.2 in)
Rainy days
4 days
Humidity
66%
Windspeed
3 m/s (6 knots)
Sunshine
303 hours
Percentage Sunshine
Daily Historical Temperatures
42-year average (1976-2026)
Based on our historical records, temperatures in San Salvador typically stay consistent throughout January, with daily highs averaging around 33°C (91°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in January
Daily Historical Precipitation
42-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for San Salvador in January
Browse day-by-day weather records for San Salvador spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Salvador historical weather extremes in January
Based on weather observations in San Salvador between 2002 and 2025, these are the recorded extremes during January.
- The hottest January day on record in San Salvador reached 38°C (100°F) (January 5, 2025).
- The coldest January day was on January 14, 2018, with a maximum of 25°C (77°F).
- San Salvador registered its coldest January night on January 12, 2010, with temperatures dropping to 13°C (55°F).
Best Places in El Salvador in January
Find out more about the weather in El Salvador and which places have the best travel conditions in this month. See all of El Salvador in January →
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What to Wear in San Salvador in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Salvador in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit El Salvador, check out our San Salvador's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full San Salvador climate overview or explore weather in El Salvador.
