Acajutla Weather in December
December in Acajutla averages 31°C (88°F) during the day and 24°C (75°F) at night. With only 7.5 mm (0.3 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Acajutla in December
Historically, December sees about 4 days of rain, with a monthly average of 7.5 mm (0.3 in). The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Acajutla in December
Acajutla in December is worth a visit. The temperature is perfect, with 31°C (88°F) during the day and 24°C (75°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Acajutla in December
There are approximately 305 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in December
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Acajutla.
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 Acajutla's climate page.
Acajutla Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F)
Chance of Rain
13%
Precipitation
7.5 mm (0.3 in)
Rainy days
4 days
Humidity
70%
Sunshine
305 hours
Percentage Sunshine
Daily Historical Temperatures
32-year average (1984-2025)
Based on our historical records, temperatures in Acajutla typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in December
Daily Historical Precipitation
32-year average (1984-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Acajutla in December
Browse day-by-day weather records for Acajutla spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Acajutla historical weather extremes in December
Based on weather observations in Acajutla between 2003 and 2025, these are the recorded extremes during December.
- On December 6, 2016, temperatures climbed to 37°C (99°F), marking the warmest December day on record.
- On December 20, 2009, Acajutla saw its coldest December day with temperatures maxing out at 26°C (79°F).
- The lowest overnight temperature recorded in December was 13°C (55°F) (December 15, 2010).
Best Places in El Salvador in December
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 →
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What to Wear in Acajutla in December
Warm weather calls for comfortable, breathable clothing in December. 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. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Acajutla in December
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 Acajutla's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Acajutla climate overview or explore weather in El Salvador.
