Other facts from our historical weather data: Which is the warmest month in Bayingholin? July has an average maximum temperature of 32°C (90°F) and is the warmest month of the year. Which is the coldest month in Bayingholin? The coldest month is January with an average maximum temperature of -2°C (28°F). Which is the wettest month in Bayingholin? June tops the wettest month list with 22mm (0.9 in) of rainfall. Which is the driest month in Bayingholin? January is the driest month with 3mm (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.