Arroyo Salado Weather in December
What's the weather like in Arroyo Salado (María Trinidad Sánchez) in December 2025?
The climate in Arroyo Salado during December can be summarized as hot, humid and very wet.
December is in the winter in Arroyo Salado and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 28.8°C 83.8°F |
|---|---|
| Nightly temperature | 20.3°C 68.5°F |
| Average temperature | 24.5°C 76.1°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 203 mm 8 ins |
| Rainy days | 15 days |
| Sea temperature | 27.3°C 81.1°F |
| Humidity | 80% |
| Windspeed | 9kph 6 mph |
On average December is the 3rd wettest month of the year in Arroyo Salado with around 203mm 8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
December temperatures in Arroyo Salado
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 Arroyo Salado in December 2025.
Other monthly averages
Best places to visit in December
Arroyo Salado weather stats
| Hottest month: | September | 31.5°C 88.7°F |
|---|---|---|
| Driest month: | March | 95mm 3.7ins |
| Sunniest month: | March | 8hrs |
| Coldest month: | January | 28.3°C 82.9°F |
| Wettest month: | November | 243mm 9.6ins |
© Google