Nariño in Colombia sees its peak temperatures in September (20°C (68°F)) and its coolest in July (18°C (64°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Pasto, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Nariño offers pleasant conditions in January, February, March, April, May, August, September, October, November and December, with temperatures typically ranging from 20°C (68°F) to 20°C (68°F).
When it comes to rainfall, Nariño sees significant variations throughout the year. November tends to be the wettest, receiving 258 mm (10 in) of rain, while August is much drier with just 85 mm (3.3 in). Travelers should note that the rainy season falls during January, February, March, April, May, October, November and December, bringing substantial precipitation ranging from 193 mm (7.6 in) to 258 mm (10 in) monthly.
January is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
