Santiago Atitlán Weather in December
What's the weather like in Santiago Atitlán (Sololá) in December 2025?
The climate in Santiago Atitlán during December can be summarized as warm and reasonably dry.
December is in the winter in Santiago Atitlán and is typically the coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 24.6°C 76.2°F |
|---|---|
| Nightly temperature | 12.1°C 53.7°F |
| Average temperature | 18.3°C 64.9°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 33 mm 1.3 ins |
| Rainy days | 6 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 69% |
| Windspeed | 9.4kph 6 mph |
On average December is the 2nd driest month of the year in Santiago Atitlán with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
December temperatures in Santiago Atitlán
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Santiago Atitlán in December 2025.
Other monthly averages
Best places to visit in December
Santiago Atitlán weather stats
| Hottest month: | March | 25.9°C 78.6°F |
|---|---|---|
| Driest month: | January | 17mm 0.7ins |
| Sunniest month: | January | 8.6hrs |
| Coldest month: | December | 24.3°C 75.7°F |
| Wettest month: | September | 626mm 24.6ins |
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