SeasonScore
Medellín, Colombia
Photo: Dr EG · CC BY 2.0

Colombia

Medellín in May

🌧️ Rainy season

Warm, a little humid and very wet. Watch for flood risk.

🎒 Pack: compact umbrella or rain jacket · waterproof sandals

Best months: Jun (8.7), Aug (8.7), Jul (8.6)

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Why May scores 7.7What goes into the score

How it works
🌡️ 28° / 18°C🌧️ 239 mm💧 dew pt 17°🍃 PM2.5 14
  • Weather comfort7.5
    • ✓Warm (28°C highs / 18°C lows)
    • ✓Slightly humid (dew point 17°C)
    • !Wet: ~239 mm rain, ~9 heavy-rain days
  • Air quality8.5
    • ✓Good (within WHO guideline) (PM2.5 ~14 µg/m³)
  • Seasonal hazards8.5
    • !Flood: ~9 heavy-rain days (≥10 mm) in an average May
  • Safety baseline5.0
    • ·High caution
Compare monthsPut May side by side with another month
MayJun
Score7.7 Very good8.7 Excellent
Season🌧️ Rainy season🌦️ Shoulder (showers)
High / low28° / 18°28° / 18°
Rain239 mm87 mm
Humiditydew pt 17°dew pt 16°
PM2.514 µg/m³13 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Medellín weather-station normals. Rainfall: Medellín weather-station normals (national met service).

Holidays & crowdsMay 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Ascension Day 8–10 May · 3 days off in a row
  • Corpus Christi 29–31 May · 3 days off in a row

Other public holidays: Labor Day (1 May)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore MedellínEvents, sights, food & souvenirs

Check event dates locally

Colombia's second city, set in the Aburrá Valley with a mild climate year-round, known for its cable-car transit, street art and the annual flower fair.

Events in May

No major events on our calendar for May.

Coming up later

Feria de las FloresDate variesUsually late July to early August

Ten days of concerts and events ending with the Desfile de Silleteros, where flower growers carry huge arrangements on their backs.

Why go: The city's biggest event; book accommodation early.

Where: Citywide; main parade through central Medellín

ColombiamodaDate variesUsually July

Colombia's main fashion trade fair.

Why go: Hotels near the centre fill up during the fair.

Where: Plaza Mayor convention centre

Alumbrados navideñosDate variesUsually late November or early December to early January

Large-scale Christmas light displays across the city.

Why go: Best seen in the evening; riverside areas get crowded on weekends.

Where: Along the Medellín River and city parks