Rio Maior Weather in December
What's the weather like in Rio Maior (Santarém) in December 2024?
The climate in Rio Maior during December can be summarized as mild and wet.
December is in the winter in Rio Maior and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 8°C (45°F) is normal.
| Daytime temperature | 14°C 57.1°F |
|---|---|
| Nightly temperature | 7.5°C 45.4°F |
| Average temperature | 10.7°C 51.3°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 131 mm 5.1 ins |
| Rainy days | 14 days |
| Sea temperature | 16.2°C 61.1°F |
| Humidity | 79% |
| Windspeed | 14kph 9 mph |
On average December is the 3rd wettest month of the year in Rio Maior with around 131mm 5.1 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 hours of sunshine per day.
December temperatures in Rio Maior
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 Rio Maior in December 2024.
Other monthly averages
Best places to visit in December
Rio Maior weather stats
| Hottest month: | August | 27.4°C 81.3°F |
|---|---|---|
| Driest month: | July | 10mm 0.4ins |
| Sunniest month: | August | 11.5hrs |
| Coldest month: | January | 13.6°C 56.5°F |
| Wettest month: | January | 136mm 5.4ins |
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