Other facts from our historical weather data: Which is the warmest month in Tyndrum? July has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Tyndrum? The coldest month is February with an average maximum temperature of 6°C (43°F). Which is the wettest month in Tyndrum? January tops the wettest month list with 220mm (8.7 in) of rainfall. Which is the driest month in Tyndrum? April is the driest month with 124mm (4.9 in) of precipitation. Which is the sunniest month in Tyndrum? May is the sunniest month with an average of 189 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.