Other facts from our historical weather data: When is the rainy season in Andahuaylas? Rainy season in Andahuaylas occurs in the months of January, February, March and December. Which is the warmest month in Andahuaylas? November has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in Andahuaylas? The coldest month is July with an average maximum temperature of 16°C (61°F). Which is the wettest month in Andahuaylas? February tops the wettest month list with 256mm (10.1 in) of rainfall. Which is the driest month in Andahuaylas? July is the driest month with 20mm (0.8 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.