December · Guatemala
Best time to visit Lake Atitlán in December Weather, crowds & prices
Weather in Lake Atitlán in December
Average temperature 21°C, 13 mm of rain, about 19 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.0/10
Ranked #3 of 12 months
- Avg temp
- 21°C
- Rainfall
- 13 mm
- Humidity
- 80%
- Days with 6h+ sun
- 19
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Lake Atitlán scores 9.0/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 21°C, 13 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Lake Atitlán fills a volcanic caldera ringed by Maya villages and three volcanoes.
December in Lake Atitlán — one of the year's strongest windows (3rd)
Trail conditions at 21°C (70°F) favour early starts and shaded routes in December; midday is for water breaks, not for exposed climbs.
At just 13 mm for the month, rain will not shape your plans; you get about 19 days with 6+ hours of sunshine and 11.1 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Lake Atitlán at 9/10 (3rd of 12), just behind February at 9.6/10.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Lake Atitlán in December?
- In December, Lake Atitlán averages 21°C, 13 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
- Is December a good time to visit Lake Atitlán?
- December earns a 9.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lake Atitlán in December?
- Expect about 13 mm of rain in December. Average humidity is 80% and there are about 19 days with 6+ hours of sunshine.
Curated in Lake Atitlán
Tickets & experiences
Things to do in Lake Atitlán
Lake Atitlán, Guatemala. Live activities and tours from GetYourGuide, matched to this destination.