Other facts from our historical weather data: Which is the warmest month in Svensby? July has an average maximum temperature of 16°C (61°F) and is the warmest month of the year. Which is the coldest month in Svensby? The coldest month is January with an average maximum temperature of -5°C (23°F). Which is the wettest month in Svensby? September tops the wettest month list with 126mm (5 in) of rainfall. Which is the driest month in Svensby? April is the driest month with 88mm (3.5 in) of precipitation. Which is the sunniest month in Svensby? May is the sunniest month with an average of 219 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.