There is an average of forty-five inches of rain a year (fifty in the mountains). July storms account for much of this precipitation. As much as 15 % of the rainfall during the warm season in the Carolinas can be attributed to tropical cyclones. Mountains usually see some snow in the fall and winter. Moist winds from the southwest drop an average of 80 inches (2,000 mm) of precipitation on the western side of the mountains, while the northeast-facing slopes average less than half that amount.\n\nAnswer this question based on the passage: when does it snow in north carolina mountains? Let's think fast. Stream of consciousness:
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The relevant information is: Mountains usually see some snow in the fall and winter. So the final answer is the fall and winter.
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