Other facts from our historical weather data: Which months have the greatest rainfall in Ambato? Most rainfall (rainy season) is seen in January, February, March, April, November and December. Which is the warmest month in Ambato? November has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Ambato? The coldest month is August with an average maximum temperature of 15°C (59°F). Which is the wettest month in Ambato? March tops the wettest month list with 224mm (8.8 in) of rainfall. Which is the driest month in Ambato? August is the driest month with 79mm (3.1 in) of precipitation. Which is the sunniest month in Ambato? November is the sunniest month with an average of 105 hours of sunshine. 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.