When planning a visit to the Cordillera Blanca in Peru, it helps to know that temperatures typically range from 12°C (54°F) in September up to 13°C (55°F) during the peak of November. Our detailed climate overview is based on data from Huaraz, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In the Cordillera Blanca, no particular months stand out for consistently comfortable weather, as average temperatures fluctuate year-round.
When it comes to rainfall, the Cordillera Blanca sees significant variations throughout the year. March tends to be the wettest, receiving 165 mm (6.5 in) of rain, while August is much drier with just 3 mm (0.1 in). The driest conditions can be found during June, July and August, with rainfall staying below 4 mm (0.2 in).