Weather in Medellín

Rain is rain in every month and about 2119 mm across the year. The wettest month is May at 243 mm; the driest is February at 91 mm.

Medellín is in Colombia at 6.2°N. The 2001–2020 NASA POWER daily record describes a mild oceanic climate. March is the warmest month (average 17.4°C, high 21.3°C) and October is the coolest (average 16.5°C, low 13.4°C). On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are February, March, and April.

How warm Medellín gets

Medellín has a 0.9°C gap between its coolest monthly average (16.5°C in October) and its warmest (17.4°C in March). That is a northern-hemisphere pattern.

Mean high across all twelve months is 20.5°C and mean low is 13.4°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

Rain through the year

Rain does not take a season off. Medellín receives about 2119 mm a year, and even February still sees 91 mm. May is the peak at 243 mm and 26 days with at least 1 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. May averages 26 such days; February averages 16.

What stands out month by month

February is the driest month, averaging only 91 mm across 16 rainy days. Highs sit near 21.6°C. March is the warmest month. Afternoon highs average 21.3°C and nights settle near 13.6°C, with 138 mm of rain. April brings 220 mm and 24 rainy days; temperatures run from 13.8°C to 20.6°C. May is the wettest month — 243 mm and 26 rainy days, with 90% humidity.

June: 20.4°C high, 13.5°C low, 172 mm rain, 88% humidity. The year bottoms out in October. Plan for 13.4°C at night and 19.7°C in the afternoon. In December, Medellín averages 20.2°C by day and 13.0°C at night, with 152 mm of rain.

Best months to visit Medellín

The three months with the highest comfort score are February, March, and April: February (17.3°C average, 91 mm, 86% humidity); March (17.4°C average, 138 mm, 87% humidity); April (17.2°C average, 220 mm, 89% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is March. The coolest stretch is October.

How Medellín compares inside Colombia

Bogotá is about 245 km away: Medellín is 2.7°C cooler than Bogotá in its hottest month and 495 mm wetter over the year than Bogotá. Bogotá’s wettest month is April (209 mm) versus May here.

Cali is about 330 km away: Medellín is about as warm as Cali at the hot peak and 1097 mm wetter over the year than Cali. Cali’s wettest month is November (150 mm) versus May here.

Barranquilla is about 532 km away: Medellín is 11.5°C cooler than Barranquilla in its hottest month and 993 mm wetter over the year than Barranquilla. Barranquilla’s wettest month is October (220 mm) versus May here.