Other facts from our historical weather data: When is summer in Huanchaco?The hottest season / summer takes place in January, February, March and April. Which is the warmest month in Huanchaco? February has an average maximum temperature of 26°C (79°F) and is the warmest month of the year. Which is the coldest month in Huanchaco? The coldest month is August with an average maximum temperature of 21°C (70°F). Which is the wettest month in Huanchaco? March tops the wettest month list with 44mm (1.7 in) of rainfall. Which is the driest month in Huanchaco? May is the driest month with 9mm (0.4 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.