Other facts from our historical weather data: Does Gaziantep have a dry season? Yes, the months of June, July, August and September are very dry. Which is the warmest month in Gaziantep? August has an average maximum temperature of 37°C (99°F) and is the warmest month of the year. Which is the coldest month in Gaziantep? The coldest month is January with an average maximum temperature of 10°C (50°F). Which is the wettest month in Gaziantep? January tops the wettest month list with 89mm (3.5 in) of rainfall. Which is the driest month in Gaziantep? July is the driest month with 2mm (0.1 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.