Palmar Arriba Weather in December
What's the weather like in Palmar Arriba (Santiago) in December 2025?
The climate in Palmar Arriba during December can be summarized as warm, humid and wet.
December is in the winter in Palmar Arriba and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 26.9°C 80.4°F |
|---|---|
| Nightly temperature | 16.9°C 62.4°F |
| Average temperature | 21.9°C 71.4°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 171 mm 6.7 ins |
| Rainy days | 14 days |
| Sea temperature | 27.3°C 81.1°F |
| Humidity | 80% |
| Windspeed | 8.3kph 5 mph |
On average December is the 3rd wettest month of the year in Palmar Arriba with around 171mm 6.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
December temperatures in Palmar Arriba
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 Palmar Arriba in December 2025.
Other monthly averages
Best places to visit in December
Palmar Arriba weather stats
| Hottest month: | August | 31.3°C 88.3°F |
|---|---|---|
| Driest month: | July | 68mm 2.7ins |
| Sunniest month: | August | 8.5hrs |
| Coldest month: | January | 26.4°C 79.5°F |
| Wettest month: | May | 208mm 8.2ins |
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