San Matías Weather in December
What's the weather like in San Matías (Santa Cruz) in December 2025?
The climate in San Matías during December can be summarized as very hot, humid and wet.
December is in the summer in San Matías and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 33.9°C 92.9°F |
|---|---|
| Nightly temperature | 22.8°C 73°F |
| Average temperature | 28.3°C 82.9°F |
| Daily sunshine | 5.2 hrs |
| Avg rainfall | 192 mm 7.5 ins |
| Rainy days | 13 days |
| Sea temperature | 23.9°C 75.1°F |
| Humidity | 79% |
| Windspeed | 7.9kph 5 mph |
On average December is the 2nd wettest month of the year in San Matías with around 192mm 7.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.2 hours of sunshine per day.
December temperatures in San Matías
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 San Matías in December 2025.
Other monthly averages
Best places to visit in December
San Matías weather stats
| Hottest month: | November | 34.4°C 93.9°F |
|---|---|---|
| Driest month: | July | 16mm 0.6ins |
| Sunniest month: | July | 8hrs |
| Coldest month: | June | 28.9°C 84°F |
| Wettest month: | January | 226mm 8.9ins |
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