The climate in San Sebastián de Yalí during December can be summarized as warm and reasonably dry.
December is in the winter in San Sebastián de Yalí and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 15°C (58°F) is normal.
Daytime temperature | 24.6°C 76.3°F |
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Nightly temperature | 14.6°C 58.3°F |
Average temperature | 19.6°C 67.3°F |
Daily sunshine | 7 hrs |
Avg rainfall | 32 mm 1.2 ins |
Rainy days | 11 days |
Sea temperature | 27.9°C 82.2°F |
Humidity | 78% |
Windspeed | 14.8kph 9 mph |
On average December is the 4th driest month of the year in San Sebastián de Yalí with around 32mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
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 San Sebastián de Yalí in December 2025.
Best places to visit in December
Hottest month: | May | 28°C 82.4°F |
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Driest month: | March | 10mm 0.4ins |
Sunniest month: | March | 8.4hrs |
Coldest month: | January | 24°C 75.2°F |
Wettest month: | June | 220mm 8.7ins |