Santa Maria Weather in December
What's the weather like in Santa Maria (Sal Municipality) in December 2025?
The climate in Santa Maria during December can be summarized as hot, humid and very dry.
December is in the winter in Santa Maria and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 26°C 78.8°F |
|---|---|
| Nightly temperature | 20.4°C 68.7°F |
| Average temperature | 23.2°C 73.8°F |
| Daily sunshine | 1.2 hrs |
| Avg rainfall | 7 mm 0.3 ins |
| Rainy days | 0 days |
| Sea temperature | 24.3°C 75.8°F |
| Humidity | 71% |
| Windspeed | 22kph 14 mph |
On average December is the 5th wettest month of the year in Santa Maria with around 7mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 1.2 hours of sunshine per day.
December temperatures in Santa Maria
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 Santa Maria in December 2025.
Other monthly averages
Best places to visit in December
Santa Maria weather stats
| Hottest month: | September | 29.5°C 85.1°F |
|---|---|---|
| Driest month: | April | 0mm 0ins |
| Sunniest month: | October | 4.5hrs |
| Coldest month: | February | 24.5°C 76.1°F |
| Wettest month: | September | 58mm 2.3ins |
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