December in Monterrico brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 24°C (75°F). Rainfall is very low this month, averaging just 9.7 mm (0.4 in).
If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Monterrico.
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Pick a month to see the average temperature, rainfall and sunshine in Monterrico - and find the best time to visit.
41-year average (1976-2025)
Based on our historical records, temperatures in Monterrico typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 17°C (63°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 Monterrico 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 Monterrico, 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).
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Monterrico 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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