December in Santiago Atitlán brings high temperatures, with daytime highs of 25°C (77°F) and nights around 15°C (59°F). The excellent weather makes it a solid choice for a visit.
If your ideal day consists of dry skies and pleasant temperatures, January, February, March and December typically offer the best circumstances for Santiago Atitlán.
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Pick a month to see the average temperature, rainfall and sunshine in Santiago Atitlán - and find the best time to visit.
40-year average (1976-2025)
Based on our historical records, temperatures in Santiago Atitlán typically stay consistent throughout December, with daily highs averaging around 25°C (77°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Browse day-by-day weather records for Santiago Atitlán spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 29 years of weather records for Santiago Atitlán, the following extremes were recorded between 1996 and 2025.
Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala 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).
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. 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
See the full Santiago Atitlán climate overview or explore weather in Guatemala.
Where to go in December - average daytime high across popular destinations.
Flores
30°C (86°F) Rio Dulce Town
28°C (82°F) Guatemala City
26°C (79°F) Antigua Guatemala26°C (79°F) Cobán23°C (73°F) Panajachel22°C (72°F) Quetzaltenango22°C (72°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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