Other facts from our historical weather data: Which is the warmest month in Giurgiu? August has an average maximum temperature of 31°C (88°F) and is the warmest month of the year. Which is the coldest month in Giurgiu? The coldest month is January with an average maximum temperature of 4°C (39°F). Which is the wettest month in Giurgiu? June tops the wettest month list with 85mm (3.3 in) of rainfall. Which is the driest month in Giurgiu? February is the driest month with 44mm (1.7 in) of precipitation. Which is the sunniest month in Giurgiu? July is the sunniest month with an average of 291 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.