Other facts from our historical weather data: Which is the warmest month in Ejin? July has an average maximum temperature of 36°C (97°F) and is the warmest month of the year. Which is the coldest month in Ejin? The coldest month is January with an average maximum temperature of -3°C (27°F). Which is the wettest month in Ejin? August tops the wettest month list with 10mm (0.4 in) of rainfall. Which is the driest month in Ejin? January is the driest month with 1mm (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.