This is the 871st most frequent Finnish word.
lokakuun
"Lokakuun" means "of October" in English.
In this sentence, 'Lokakuun' is in the genitive case, describing possession, indicating that the leaves belong to October.
Lokakuun lehdet olivat kauniin värisiä.
The leaves of October were beautifully colored.
Here, 'lokakuun' is used in the genitive case as part of the construct indicating 'the arrival of October.'
Juhlitaanpa lokakuun tuloa ilolla.
Let's celebrate the arrival of October with joy.
In this context, 'lokakuun' functions as part of the adverbial phrase 'lokakuun aikana,' specifying the time period during which the event occurred.