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Pasto in May averages 20°C (68°F) during the day and 11°C (52°F) at night. May is part of the rainy season, so frequent rainfall is typical.
May in Pasto has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Pick a month to see the average temperature, rainfall and sunshine in Pasto - and find the best time to visit.
43-year average (1976-2025)
Based on our historical records, temperatures in Pasto typically stay consistent throughout May, with daily highs averaging around 20°C (68°F). Nights are cool, with lows around 11°C (52°F).
Browse day-by-day weather records for Pasto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Pasto spans 2005 to 2026, revealing these weather extremes.
Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in May →
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).
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Pasto climate overview or explore weather in Colombia.
Where to go in May - average daytime high across popular destinations.
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