Other facts from our historical weather data: Which is the warmest month in Plesetsk? July has an average maximum temperature of 23°C (73°F) and is the warmest month of the year. Which is the coldest month in Plesetsk? The coldest month is January with an average maximum temperature of -7°C (19°F). Which is the wettest month in Plesetsk? August tops the wettest month list with 89mm (3.5 in) of rainfall. Which is the driest month in Plesetsk? March is the driest month with 39mm (1.5 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.