Although located in the tropics, temperate conditions prevail all year, as the climate is moderated by altitude and the inland position of the country. The hot and dry season is from August to October, and the rainy season from November to March. The best months to visit are April to May and August to September. Night-time temperatures can fall below freezing.

Light- to mediumweights with warmer clothes for evenings and rainwear for the wet season.