Other facts from our historical weather data: Which is the warmest month in Alert? July has an average maximum temperature of 8°C (46°F) and is the warmest month of the year. Which is the coldest month in Alert? The coldest month is February with an average maximum temperature of -28°C (-18°F). Which is the wettest month in Alert? July tops the wettest month list with 34mm (1.3 in) of rainfall. Which is the driest month in Alert? February is the driest month with 10mm (0.4 in) of precipitation. Which is the sunniest month in Alert? May is the sunniest month with an average of 428 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.