It is likely part of a larger sentence or question. To provide a more accurate translation, please provide the full sentence or context.
For example:
* ¿Cuándo es tu cumpleaños? (When is your birthday?)
* Es en junio. (It is in June.)
Or:
* La graduación es en junio. (Graduation is in June.)
Let me know the full context, and I can help you translate it accurately.