This is the 3963rd most frequent Dutch word.
wéér
"Again" or "once more."
Here, 'wéér' emphasizes the repetition of pleasant weather conditions.
Het is vandaag alweer wéér mooi weer.
Today, it's once again nice weather.
In this sentence, 'wéér' indicates the reoccurrence of the melody.
Ik hoor wéér diezelfde melodie in mijn hoofd.
I'm hearing that same melody in my head again.
Here, 'wéér' highlights the repeated failure to complete an action.