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Rionegro Weather in December
December in Rionegro sees daytime temperatures around 24°C (75°F) and lows of 14°C (57°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Rionegro in December
Rionegro is in the rainy season in December, with rain on around 13 days and an average of 221 mm (8.7 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Rionegro in December
In December, expect high temperatures in Rionegro, with highs of 24°C (75°F) and lows of 14°C (57°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Rionegro in December
With about 152 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.If you prefer dry days with pleasant temperatures, January, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Rionegro Temperature in December
Min Temperature
14°C (57°F)
Max Temperature
24°C (75°F)
Chance of Rain
44%
Precipitation
221 mm (8.7 in)
Rainy days
13 days
Humidity
70% *
Sunshine
152 hours *
Percentage Sunshine
*
* Data from: Medellín, Colombia (25 KM, 16 Miles).
Rionegro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rionegro - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Rionegro typically stay consistent throughout December, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 14°C (57°F).
Average temperatures in December
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Rionegro in December
Browse day-by-day weather records for Rionegro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rionegro historical weather extremes in December
According to our 31 years of weather records for Rionegro, the following extremes were recorded between 1994 and 2025.
- On December 9, 2003, temperatures climbed to 29°C (84°F), marking the warmest December day on record.
- The coldest December day was on December 7, 1995, with a maximum of 15°C (59°F).
- Rionegro registered its coldest December night on December 23, 2014, with temperatures dropping to 8°C (46°F).
- The wettest day in December Rionegro was on December 22, 2002 with 100 mm (3.9 in) of precipitation.
Best Places in Colombia in December
Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Rionegro in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Rionegro in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping6/10
Rionegro 3-Day Forecast
More climate data for Rionegro
Temperature Rainfall Sunshine Humidity
See the full Rionegro climate overview or explore weather in Colombia.
Popular in December
Where to go in December - average daytime high across popular destinations.
Cartagena
31°C (88°F) Santa Marta
29°C (84°F) San Andrés
29°C (84°F) Cali
27°C (81°F) Medellín24°C (75°F) Pereira24°C (75°F) Bogotá21°C (70°F) Villa de Leyva
21°C (70°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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