The best time to visit Alaska is from the Summer months of June to August. The summer daytime temperature goes up to 80 F and the nighttime lows are around 40 F. Given the extreme winters that Alaska has, the winters from September to May are not a time one can feasibly go about the state as the temperatures rage from 0 F to -30 F. Despite the harsh weather conditions during those months, many people still visit Alaska due to the spectacular show that the phenomenon of Aurora Borealis is.