Rionegro Weather in December
What's the weather like in Rionegro (Departamento de Antioquia) in December 2025?
The climate in Rionegro during December can be summarized as mild and damp.
December is in the winter in Rionegro and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 21.1°C 70°F |
|---|---|
| Nightly temperature | 12.5°C 54.5°F |
| Average temperature | 16.8°C 62.2°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 105 mm 4.1 ins |
| Rainy days | 13 days |
| Sea temperature | 27.6°C 81.7°F |
| Humidity | 84% |
| Windspeed | 11.2kph 7 mph |
On average December is the 3rd driest month of the year in Rionegro with around 105mm 4.1 inches of rain making it a damp 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 5.9 hours of sunshine per day.
December temperatures in Rionegro
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 Rionegro in December 2025.
Other monthly averages
Best places to visit in December
Rionegro weather stats
| Hottest month: | April | 21.5°C 70.7°F |
|---|---|---|
| Driest month: | January | 63mm 2.5ins |
| Sunniest month: | January | 6.6hrs |
| Coldest month: | October | 20.9°C 69.6°F |
| Wettest month: | October | 250mm 9.8ins |
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