Santiago Weather in December
What's the weather like in Santiago (Alajuela) in December 2024?
The climate in Santiago during December can be summarized as warm, humid and dry.
December is in the winter in Santiago and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 25.9°C 78.5°F |
|---|---|
| Nightly temperature | 18°C 64.3°F |
| Average temperature | 21.9°C 71.4°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 28 mm 1.1 ins |
| Rainy days | 15 days |
| Sea temperature | 27.9°C 82.1°F |
| Humidity | 79% |
| Windspeed | 19.4kph 12 mph |
On average December is the 4th driest month of the year in Santiago with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
December temperatures in Santiago
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 in December 2024.
Other monthly averages
Best places to visit in December
Santiago weather stats
| Hottest month: | April | 28°C 82.4°F |
|---|---|---|
| Driest month: | February | 2mm 0.1ins |
| Sunniest month: | February | 8.3hrs |
| Coldest month: | December | 25.7°C 78.3°F |
| Wettest month: | September | 408mm 16.1ins |
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