Other facts from our historical weather data: Which months have the greatest rainfall in Edinbain? Most rainfall (rainy season) is seen in January, February, October, November and December. Which is the warmest month in Edinbain? August has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Edinbain? The coldest month is February with an average maximum temperature of 9°C (48°F). Which is the wettest month in Edinbain? January tops the wettest month list with 180mm (7.1 in) of rainfall. Which is the driest month in Edinbain? May is the driest month with 95mm (3.7 in) of precipitation. Which is the sunniest month in Edinbain? May is the sunniest month with an average of 197 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.