Other facts from our historical weather data: Which is the warmest month in Eagle? July has an average maximum temperature of 29°C (84°F) and is the warmest month of the year. Which is the coldest month in Eagle? The coldest month is January with an average maximum temperature of 1°C (34°F). Which is the wettest month in Eagle? July tops the wettest month list with 47mm (1.9 in) of rainfall. Which is the driest month in Eagle? June is the driest month with 17mm (0.7 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.