Other facts from our historical weather data: Which is the warmest month in Vinstra? July has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in Vinstra? The coldest month is December with an average maximum temperature of -6°C (21°F). Which is the wettest month in Vinstra? July tops the wettest month list with 114mm (4.5 in) of rainfall. Which is the driest month in Vinstra? February is the driest month with 43mm (1.7 in) of precipitation. Which is the sunniest month in Vinstra? June is the sunniest month with an average of 243 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.