San Salvador Temperature by Month
San Salvador, San Salvador, El Salvador has a consistently very warm climate year-round, with daytime highs averaging 32°C (90°F). Below you'll find a full monthly breakdown and a comparison with cities worldwide.
San Salvador Monthly Temperatures
The temperature in San Salvador remains steady throughout the year, providing a consistently very warm climate. Maximum daytime temperatures range from a very warm 34°C (93°F) in March to a very warm 31°C (88°F) in January. Nights are mild year-round, with lows ranging from 22°C (72°F) in March to 20°C (68°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in San Salvador by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest. March, the warmest month, gets 294 hours of sunshine.
The chart below shows the average temperature throughout the year:
Daily Historical Temperatures
41-year average (1976-2025)
Average high and low temperatures for each day of the month based on long-term records.
Average temperatures in July
Historical San Salvador Temperatures: 1976-2026
Browse day-by-day temperature records for San Salvador spanning 51 years. Select any month and year to see actual high and low temperatures recorded on each day.
Temperature: San Salvador vs El Salvador
The map below shows the annual temperature across El Salvador. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
San Salvador vs World: Temperature Compared
San Salvador's average annual maximum temperature is 32°C (90°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Queenstown, New Zealand averages 10°C (50°F) annually — remember seasons are flipped, so its coldest months fall in June and July.
San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation — summers are often cool and foggy, winters mild.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in San Salvador?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In San Salvador, January is the coolest month, with average highs of 33°C (91°F) and humidity around 66% — considered high. In March, the warmest month, temperatures average 34°C (93°F) with 67% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in San Salvador this rarely lasts long on the ground.
For more on San Salvador's weather — including monthly rainfall, sunshine hours, and humidity — visit our San Salvador climate page.
