This is the 6085th most frequent Turkish word.
yağışa
"Yağışa" means "to the precipitation" or "to the rainfall" in English.
In this sentence, 'yağışa' is the dative form of the noun 'yağış', used to indicate direction or focus towards precipitation.
Bugün hava durumu yağışa işaret ediyor.
Today's weather forecast indicates precipitation.
Here, 'yağışa' is used to signify becoming acclimated to rainfall or precipitation, as the dative case indicates an adaptation direction.
Yağışa alışmamız gerekecek çünkü kış uzun sürecek.
We will need to get used to the precipitation because the winter will be long.
The term 'yağışa' in this context indicates the condition upon which growth depends, showing reliance to precipitation via the dative case.