Weather is probably a major factor when you plan your trip to Deiva Marina, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July, with an average temperature of 22°C, while the coldest months are February and January, with an average of 9°C. The rainiest months in Deiva Marina are November, October, December and January, with each month seeing an average of 190 mm of rainfall.