Other facts from our historical weather data: Which is the warmest month in Fairlie? February has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in Fairlie? The coldest month is July with an average maximum temperature of 7°C (45°F). Which is the wettest month in Fairlie? December tops the wettest month list with 129mm (5.1 in) of rainfall. Which is the driest month in Fairlie? July is the driest month with 81mm (3.2 in) of precipitation. Which is the sunniest month in Fairlie? January is the sunniest month with an average of 194 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.