Other facts from our historical weather data: Which is the warmest month in Huascarán National Park? November has an average maximum temperature of 14°C (57°F) and is the warmest month of the year. Which is the coldest month in Huascarán National Park? The coldest month is July with an average maximum temperature of 13°C (55°F). Which is the wettest month in Huascarán National Park? February tops the wettest month list with 276mm (10.9 in) of rainfall. Which is the driest month in Huascarán National Park? July is the driest month with 55mm (2.2 in) of precipitation. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.