The top 5 unexplored rainforests in Central America
Dive into Central America's top 5 hidden rainforests for an unparalleled journey through vibrant wildlife and diverse landscapes.
Thinking of visiting Barra de Santiago in December? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 24°C (75°F) at night, with minimal rainfall.
If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Barra de Santiago.
Pick a month to see the average temperature, rainfall and sunshine in Barra de Santiago - and find the best time to visit.
Browse day-by-day weather records for Barra de Santiago spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in Barra de Santiago.
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 Barra de Santiago 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. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Barra de Santiago 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.
The top 5 unexplored rainforests in Central America
Dive into Central America's top 5 hidden rainforests for an unparalleled journey through vibrant wildlife and diverse landscapes.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.