Other facts from our historical weather data: Which months have the greatest rainfall in Achlain? Most rainfall (rainy season) is seen in January, February, October and December. Which is the warmest month in Achlain? July has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Achlain? The coldest month is February with an average maximum temperature of 6°C (43°F). Which is the wettest month in Achlain? January tops the wettest month list with 184mm (7.2 in) of rainfall. Which is the driest month in Achlain? April is the driest month with 105mm (4.1 in) of precipitation. Which is the sunniest month in Achlain? May is the sunniest month with an average of 178 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.