Sunshine and blue skies are predominate in the Peruvian Andes from May thru September. October to April is the rainy season (especially January to April). However sunshine and clear skies are still often present in the mornings and early afternoons.
Seasonal temperatures do not vary much. Daytime highs will reach 30 º C (80º F) or more, with intense tropical high altitude sun and radiation.
BRING LOTS OF SUNSCREEN!
Night time lows can reach 5 º C (40º F) on clear summer nights between May and September when you will see some of the most spectacular star filled night skies of your life in the Cordillera Blanca!
The climbing season runs from May until September. Hiking, trekking, mountain biking and other activities are available all year long.