Other facts from our historical weather data: Which is the warmest month in Ballyconnell? July has an average maximum temperature of 19°C (66°F) and is the warmest month of the year. Which is the coldest month in Ballyconnell? The coldest month is February with an average maximum temperature of 9°C (48°F). Which is the wettest month in Ballyconnell? August tops the wettest month list with 101mm (4 in) of rainfall. Which is the driest month in Ballyconnell? March is the driest month with 79mm (3.1 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.