Weather in San Salvador in December 2024
Average weather
Average temperature in San Salvador in December
The temperature in December is +84°F on average, with a range between a maximum of +88°F during the day and a minimum of +63°F at night.
The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +86°F to +82°F.
Is San Salvador warm or cold in December?
San Salvador is typically warm in December.
Maximum temperatures go up compared to the previous month from +82°F to +84°F. The minimum temperature also goes down from +68°F to +66°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in San Salvador:
Climate in San Salvador in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +84°F | +84°F | ||||
| Min. temperature | ||||||
| +57°F | +54°F | +55°F | ||||
| Max. temperature | ||||||
| +90°F | +90°F | +95°F | ||||
| Rainfall | ||||||
| 58 mm | 6 mm | 2 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 77% | 72% | 69% | ||||
| Air pressure | ||||||
| 1012 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 9 | 20 | 22 | ||||
| Cloudy days | ||||||
| 6 | 5 | 5 | ||||
| Rainy days | ||||||
| 13 | 5 | 3 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December often has better weather than November. It’s getting warmer as December arrives. The average maximum temperature goes up from +82°F to +84°F during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 58 mm to 6 mm. It feels drier, as humidity decreases from 77% to 72%. The average wind speed doesn’t change much during December, staying around 2 m/s. The good news is there are likely to be more sunny days in December, from 9 to 20.
January brings much the same weather, it remains great.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Salvador is gradually increasing during December, going from 1 m/s to 2 m/s over the course of the month.
How was the weather last December in San Salvador?
Climate Change Over the Years
The climate in San Salvador in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+82°F) and the highest in 2016 (+86°F). The driest year was 2001 with only 1181 mm of rainfall, and the wettest year was 2020 with 3143 mm.
FAQ
Is December a good time to visit San Salvador?
Can you sunbathe in San Salvador in December?
Is San Salvador rainy in December?
Is it sunny in San Salvador in December?
Monthly weather in San Salvador
Source of the data
For this page, we’ve looked at the typical weather in San Salvador, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.