The only June measurable snow of record at nearby Big Delta, Alaska, was nearly a century ago in 1917. But those seem to be very, very bad readings -- way above freezing, said Alaska-based climatologist Brian Brettschneider.
Your lease is a legal contract that commits you to pay rent for the right to live in the landlord's apartment. Most leases and most jurisdictions require tenants to give notice to their landlords before they vacate the property. On the plus side, the obligation is mutual, which means that your landlord cannot order you to leave without notice.
If you are a tenant at will (no written lease), you must give your landlord a 30 day written notice. The notice period should end on a rent day. You and your landlord can agree to a shorter notice period, if you agree in writing. If you have a lease, read it to see what kind of notice you must give.