Other facts from our historical weather data: Does Diyarbakır have a dry season? Yes, the months of June, July, August and September are very dry. Which is the warmest month in Diyarbakır? July has an average maximum temperature of 39°C (102°F) and is the warmest month of the year. Which is the coldest month in Diyarbakır? The coldest month is January with an average maximum temperature of 8°C (46°F). Which is the wettest month in Diyarbakır? March tops the wettest month list with 100mm (3.9 in) of rainfall. Which is the driest month in Diyarbakır? August 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.