Other facts from our historical weather data: Which months have the greatest rainfall in Baykalsk? Most rainfall (rainy season) is seen in July and August. Does Baykalsk have a dry season? Yes, the months of January and February are very dry. Which is the warmest month in Baykalsk? July has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in Baykalsk? The coldest month is January with an average maximum temperature of -12°C (10°F). Which is the wettest month in Baykalsk? August tops the wettest month list with 163mm (6.4 in) of rainfall. Which is the driest month in Baykalsk? February is the driest month with 17mm (0.7 in) of precipitation. Which is the sunniest month in Baykalsk? May is the sunniest month with an average of 267 hours of sunshine. 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.