Mulchén Weather in December
What's the weather like in Mulchén (Biobío) in December 2025?
The climate in Mulchén during December can be summarized as warm and reasonably dry.
December is in the summer in Mulchén and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 25.5°C 77.8°F |
|---|---|
| Nightly temperature | 11.4°C 52.4°F |
| Average temperature | 18.4°C 65.1°F |
| Daily sunshine | 11.9 hrs |
| Avg rainfall | 38 mm 1.5 ins |
| Rainy days | 3 days |
| Sea temperature | 15.1°C 59.1°F |
| Humidity | 67% |
| Windspeed | 11.9kph 7 mph |
On average December is the 3rd driest month of the year in Mulchén with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.9 hours of sunshine per day.
December temperatures in Mulchén
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 Mulchén in December 2025.
Other monthly averages
Best places to visit in December
Mulchén weather stats
| Hottest month: | January | 27°C 80.6°F |
|---|---|---|
| Driest month: | February | 32mm 1.3ins |
| Sunniest month: | January | 11.8hrs |
| Coldest month: | July | 11.5°C 52.7°F |
| Wettest month: | June | 259mm 10.2ins |
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