Other facts from our historical weather data: Which is the warmest month in Medina? August has an average maximum temperature of 43°C (109°F) and is the warmest month of the year. Which is the coldest month in Medina? The coldest month is January with an average maximum temperature of 25°C (77°F). Which is the wettest month in Medina? January tops the wettest month list with 10mm (0.4 in) of rainfall. Which is the driest month in Medina? June is the driest month with 0mm (0 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.