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Iceland is typically a great country for hitchhiking, but be extremely careful of the weather in this region, as it is highly unpredictable. As late as March or April, terrible Arctic blizzards can blow in off the sea, and hit you in an instant. If you're even a couple kilometers out of town, and one of these storms hit, you will be stranded for an indefinite amount of time. It's wholly possible to freeze to death, or at least come down with hypothermia or frostbite, in such a situation.