Weather is probably a major factor when you plan your trip to Egersund, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 14°C, while the coldest months are February and January, with an average of 2°C. The rainiest months in Egersund are October, December, November and September, with each month seeing an average of 225 mm of rainfall.