Other facts from our historical weather data: When is winter in Eggedal? The coldest season / winter is in the following months: January, February, November and December. Which is the warmest month in Eggedal? July has an average maximum temperature of 20°C (68°F) and is the warmest month of the year. Which is the coldest month in Eggedal? The coldest month is December with an average maximum temperature of -2°C (28°F). Which is the wettest month in Eggedal? July tops the wettest month list with 135mm (5.3 in) of rainfall. Which is the driest month in Eggedal? February is the driest month with 59mm (2.3 in) of precipitation. Which is the sunniest month in Eggedal? May is the sunniest month with an average of 240 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.