Other facts from our historical weather data: When is summer in Aberdeen?The hottest season / summer takes place in June, July, August and September. Which is the warmest month in Aberdeen? July has an average maximum temperature of 31°C (88°F) and is the warmest month of the year. Which is the coldest month in Aberdeen? The coldest month is February with an average maximum temperature of 6°C (43°F). Which is the wettest month in Aberdeen? June tops the wettest month list with 148mm (5.8 in) of rainfall. Which is the driest month in Aberdeen? February is the driest month with 72mm (2.8 in) of precipitation. 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.