Other facts from our historical weather data: When is the rainy season in Ocosuyo? Rainy season in Ocosuyo occurs in the months of January, February, March and December. Does Ocosuyo have a dry season? Yes, the months of June and July are very dry. Which is the warmest month in Ocosuyo? November has an average maximum temperature of 16°C (61°F) and is the warmest month of the year. Which is the coldest month in Ocosuyo? The coldest month is July with an average maximum temperature of 13°C (55°F). Which is the wettest month in Ocosuyo? January tops the wettest month list with 269mm (10.6 in) of rainfall. Which is the driest month in Ocosuyo? July is the driest month with 14mm (0.6 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.