Other facts from our historical weather data: Which is the warmest month in Elgin? 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 Elgin? The coldest month is February with an average maximum temperature of 8°C (46°F). Which is the wettest month in Elgin? October tops the wettest month list with 104mm (4.1 in) of rainfall. Which is the driest month in Elgin? March is the driest month with 67mm (2.6 in) of precipitation. Which is the sunniest month in Elgin? 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.