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December in Antiguo Cuscatlán sees daytime temperatures around 32°C (90°F) and lows of 21°C (70°F) at night. The excellent weather makes it a good time to visit.
If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Antiguo Cuscatlán.
Pick a month to see the average temperature, rainfall and sunshine in Antiguo Cuscatlán - and find the best time to visit.
41-year average (1976-2025)
Based on our historical records, temperatures in Antiguo Cuscatlán typically stay consistent throughout December, with daily highs averaging around 32°C (90°F). Nights are pleasant, with lows around 20°C (68°F).
41-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Antiguo Cuscatlán spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Antiguo Cuscatlán spans 2000 to 2025, revealing these weather extremes.
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 December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Antiguo Cuscatlán in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Antiguo Cuscatlán climate overview or explore weather in El Salvador.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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