This is the 14622nd most frequent German word.
mildem
"Mildem" is the dative case of "mild," meaning "mild" or "gentle" in English.
The word 'mildem' is used as an attribute in the dative case to describe 'Klima', indicating the quality of being mild.
Mit mildem Klima ist die Region sehr angenehm zu leben.
With a mild climate, the region is very pleasant to live in.
In this sentence, 'mildem' functions as an adjective in the dative case related to 'Wetter', providing description of the suitability of the condition.
Das mildem Wetter passt perfekt für einen Spaziergang.
The mild weather is perfect for a walk.
Here, 'mildem' is part of the phrase 'mildem Ton', describing the characteristic of 'Ton' (tone) in the dative case.