For summer hiking experience from Kilpisjärvi to Halti, June is too early for most years. The best time to go is July and August. Keep in mind that the nights can get rather cold by late August, possibly under zero degrees, Celsius.
"Got tight last night on absinthe and did knife tricks. Great success shooting the knife into the piano. The woodworms are so bad and eat hell out of all furniture that you can always claim the woodworms did it."