Other facts from our historical weather data: Which is the hottest month in Boscobel? August has an average maximum temperature of 32°C (90°F) and is the hottest month of the year. Which is the coolest month in Boscobel? The coolest month is February with an average maximum temperature of 28°C (82°F). Which is the wettest month in Boscobel? October tops the wettest month list with 140mm (5.5 in) of rainfall. Which is the driest month in Boscobel? July is the driest month with 54mm (2.1 in) of precipitation. Which is the sunniest month in Boscobel? July is the sunniest month with an average of 264 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.