San Salvador is rarely comfortable to be outside at midday. It comes closest in mid January, and even then it is too hot. For sun, aim for late November to early March.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from late November to early March. It peaks in mid February, at 65. The weakest stretch is from late April to mid September, when it drops to 31, mostly because it is too hot. The clearest skies come in January, when the sky is typically 30% covered at midday (mostly clear).
Being outside is not what San Salvador is for: the Easy outdoors rating tops out at 23, mostly because it is too hot.
Walking is not what San Salvador is for: the Active outdoors rating tops out at 9, mostly because it is too warm.
The year, measured
The average temperature in San Salvador over the whole year is 26°C. April is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 21°C. The rainy (wet) season in San Salvador runs from April to November, peaking in July with a 79% chance of rain on a given day. The dry season is December to March; January is the driest month, at 18%. Winds in San Salvador are highest in January, averaging 2.6 m/s (9 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the E. The clearest skies in San Salvador come in January, when the sky is typically 32% covered; June is the cloudiest month, at 59%.
Month by month San Salvador climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 30°C | 21°C | 30°C | 18% | 32% | 2.6 m/s | 21 | 63 | 7 |
| February | 31°C | 22°C | 31°C | 28% | 34% | 2.6 m/s | 16 | 64 | 5 |
| March | 32°C | 22°C | 32°C | 28% | 34% | 2.5 m/s | 10 | 55 | 3 |
| April | 32°C | 24°C | 34°C | 58% | 40% | 2.3 m/s | 5 | 40 | 1 |
| May | 31°C | 24°C | 34°C | 72% | 50% | 1.9 m/s | 4 | 31 | 0 |
| June | 30°C | 23°C | 33°C | 70% | 59% | 1.8 m/s | 6 | 35 | 1 |
| July | 31°C | 23°C | 34°C | 79% | 48% | 2.0 m/s | 5 | 31 | 1 |
| August | 31°C | 23°C | 34°C | 72% | 52% | 1.9 m/s | 4 | 33 | 1 |
| September | 30°C | 23°C | 34°C | 76% | 58% | 1.8 m/s | 4 | 35 | 1 |
| October | 29°C | 23°C | 33°C | 73% | 56% | 1.8 m/s | 9 | 42 | 2 |
| November | 30°C | 22°C | 32°C | 59% | 43% | 2.1 m/s | 15 | 52 | 5 |
| December | 30°C | 21°C | 30°C | 45% | 32% | 2.5 m/s | 21 | 58 | 7 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short San Salvador weather by season
Year round, San Salvador has days of about 29°C at their warmest in October, its coolest month, and 32°C in April, its warmest; the coolest hours of the day run from 21°C to 24°C through the year, and the average temperature over the year is 26°C around the clock. Rain is most likely around July and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
San Salvador weather in winterDecember to February
Winter in San Salvador has typical daily highs of about 30°C and lows of about 21°C, with a 30% chance of rain on a given day.
San Salvador weather in springMarch to May
Spring in San Salvador has typical daily highs of about 32°C and lows of about 23°C, with a 52% chance of rain on a given day.
San Salvador weather in summerJune to August
Summer in San Salvador has typical daily highs of about 30°C and lows of about 23°C, with a 74% chance of rain on a given day.
San Salvador weather in autumnSeptember to November
Autumn in San Salvador has typical daily highs of about 30°C and lows of about 23°C, with a 69% chance of rain on a given day.
When is the rainy season in San Salvador?
The rainy (wet) season in San Salvador runs from April to November, peaking in July with a 79% chance of rain on a given day. The dry season is December to March; January is the driest month, at 18%.
What time of year is San Salvador windiest?
Winds in San Salvador are highest in January, averaging 2.6 m/s (9 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the E.
What is the average temperature in San Salvador year round?
The average temperature in San Salvador over the whole year is 26°C. April is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 21°C.
Where to go instead in early May, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.