Fetching details from the dictionary...

tranquil; calm; quiet; peaceful; serene
mild (weather); balmy
子供の頃に見た田舎ののどかな風景が懐かしい。
I miss the peaceful countryside scenery I saw as a child.
のどかな午後の日差しを浴びている。
I'm bathing in the peaceful afternoon sunlight.
ここはのどかで静かな場所ですね。
This is a peaceful and quiet place, isn't it?