Other facts from our historical weather data: Does Lake Baikal have a dry season? Yes, the months of January, February, March, April, October and December are very dry. Which is the warmest month in Lake Baikal? August has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in Lake Baikal? The coldest month is January with an average maximum temperature of -16°C (3°F). Which is the wettest month in Lake Baikal? August tops the wettest month list with 51mm (2 in) of rainfall. Which is the driest month in Lake Baikal? February is the driest month with 6mm (0.2 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.