Valle de San José Weather in December
What's the weather like in Valle de San José (Santander) in December 2025?
The climate in Valle de San José during December can be summarized as warm and wet.
December is in the winter in Valle de San José and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 24.8°C 76.6°F |
|---|---|
| Nightly temperature | 13.9°C 56.9°F |
| Average temperature | 19.3°C 66.7°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 147 mm 5.8 ins |
| Rainy days | 14 days |
| Sea temperature | 27.6°C 81.7°F |
| Humidity | 81% |
| Windspeed | 9kph 6 mph |
On average December is the 2nd driest month of the year in Valle de San José with around 147mm 5.8 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 7.1 hours of sunshine per day.
December temperatures in Valle de San José
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 Valle de San José in December 2025.
Other monthly averages
Best places to visit in December
Valle de San José weather stats
| Hottest month: | March | 25.6°C 78.1°F |
|---|---|---|
| Driest month: | January | 105mm 4.1ins |
| Sunniest month: | January | 7.7hrs |
| Coldest month: | July | 23.8°C 74.8°F |
| Wettest month: | October | 370mm 14.6ins |
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