This is the 221st most frequent Hungarian word.
augusztus
"Augusztus" is the Hungarian word for "August," the eighth month of the year.
In this sentence, 'augusztus' is used as a proper noun, denoting a specific month in the calendar - August.
Augusztus a nyár utolsó hónapja.
August is the last month of summer.
Here, 'augusztusban' is in locative case, showing that the action takes place during August.
Minden évben augusztusban utazunk a Balatonhoz.
Every year in August, we travel to Lake Balaton.
Again, 'augusztusban' illustrates temporal context using the locative case to indicate that this occurs during August.