<Tr> <Th> Raleigh </Th> <Td> 50 / 30 </Td> <Td> 54 / 32 </Td> <Td> 62 / 39 </Td> <Td> 72 / 46 </Td> <Td> 79 / 55 </Td> <Td> 86 / 64 </Td> <Td> 89 / 68 </Td> <Td> 87 / 67 </Td> <Td> 81 / 61 </Td> <Td> 72 / 48 </Td> <Td> 62 / 40 </Td> <Td> 53 / 33 </Td> </Tr> <Tr> <Th> Wilmington </Th> <Td> 56 / 36 </Td> <Td> 60 / 38 </Td> <Td> 66 / 44 </Td> <Td> 74 / 51 </Td> <Td> 81 / 60 </Td> <Td> 86 / 68 </Td> <Td> 90 / 72 </Td> <Td> 88 / 71 </Td> <Td> 84 / 66 </Td> <Td> 76 / 54 </Td> <Td> 68 / 45 </Td> <Td> 60 / 38 </Td> </Tr> <P> 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 . </P> <Table> <Tr> <Td_colspan="14"> Average Monthly Precipitation </Td> </Tr> <Tr> <Th> City </Th> <Th> Jan </Th> <Th> Feb </Th> <Th> Mar </Th> <Th> Apr </Th> <Th> May </Th> <Th> Jun </Th> <Th> Jul </Th> <Th> Aug </Th> <Th> Sep </Th> <Th> Oct </Th> <Th> Nov </Th> <Th> Dec </Th> <Th> Total </Th> </Tr> <Tr> <Th> Asheville </Th> <Td> 2.6 inches (66 mm) </Td> <Td> 3.1 inches (79 mm) </Td> <Td> 4 inches (100 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 2.9 inches (74 mm) </Td> <Td> 3.5 inches (89 mm) </Td> <Td> 3.4 inches (86 mm) </Td> <Td> 4 inches (100 mm) </Td> <Td> 3.1 inches (79 mm) </Td> <Td> 2.7 inches (69 mm) </Td> <Td> 2.6 inches (66 mm) </Td> <Td> 2.7 inches (69 mm) </Td> <Td> 38.1 inches (970 mm) </Td> </Tr> <Tr> <Th> Cape Hatteras </Th> <Td> 5.6 inches (140 mm) </Td> <Td> 4.1 inches (100 mm) </Td> <Td> 4.6 inches (120 mm) </Td> <Td> 3.2 inches (81 mm) </Td> <Td> 3.8 inches (97 mm) </Td> <Td> 4.2 inches (110 mm) </Td> <Td> 4.9 inches (120 mm) </Td> <Td> 6.4 inches (160 mm) </Td> <Td> 5.3 inches (130 mm) </Td> <Td> 5.3 inches (130 mm) </Td> <Td> 4.9 inches (120 mm) </Td> <Td> 4.5 inches (110 mm) </Td> <Td> 56.9 inches (1,450 mm) </Td> </Tr> <Tr> <Th> Charlotte </Th> <Td> 3.7 inches (94 mm) </Td> <Td> 3.7 inches (94 mm) </Td> <Td> 4.6 inches (120 mm) </Td> <Td> 3 inches (76 mm) </Td> <Td> 3.6 inches (91 mm) </Td> <Td> 3.5 inches (89 mm) </Td> <Td> 3.8 inches (97 mm) </Td> <Td> 4.1 inches (100 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 3.2 inches (81 mm) </Td> <Td> 3.1 inches (79 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 43 inches (1,100 mm) </Td> </Tr> <Tr> <Th> Greensboro </Th> <Td> 3.3 inches (84 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 3.8 inches (97 mm) </Td> <Td> 3.2 inches (81 mm) </Td> <Td> 3.6 inches (91 mm) </Td> <Td> 3.8 inches (97 mm) </Td> <Td> 4.4 inches (110 mm) </Td> <Td> 4.1 inches (100 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 3.4 inches (86 mm) </Td> <Td> 2.9 inches (74 mm) </Td> <Td> 3.2 inches (81 mm) </Td> <Td> 42.3 inches (1,070 mm) </Td> </Tr> <Tr> <Th> Raleigh </Th> <Td> 3.5 inches (89 mm) </Td> <Td> 3.5 inches (89 mm) </Td> <Td> 3.7 inches (94 mm) </Td> <Td> 2.8 inches (71 mm) </Td> <Td> 3.8 inches (97 mm) </Td> <Td> 3.6 inches (91 mm) </Td> <Td> 4.4 inches (110 mm) </Td> <Td> 4.4 inches (110 mm) </Td> <Td> 3.1 inches (79 mm) </Td> <Td> 3 inches (76 mm) </Td> <Td> 2.9 inches (74 mm) </Td> <Td> 3.1 inches (79 mm) </Td> <Td> 41.8 inches (1,060 mm) </Td> </Tr> <Tr> <Th> Wilmington </Th> <Td> 3.6 inches (91 mm) </Td> <Td> 3.5 inches (89 mm) </Td> <Td> 4.3 inches (110 mm) </Td> <Td> 2.9 inches (74 mm) </Td> <Td> 4.3 inches (110 mm) </Td> <Td> 5.4 inches (140 mm) </Td> <Td> 7.9 inches (200 mm) </Td> <Td> 7 inches (180 mm) </Td> <Td> 5.6 inches (140 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 3.3 inches (84 mm) </Td> <Td> 3.5 inches (89 mm) </Td> <Td> 55 inches (1,400 mm) </Td> </Tr> </Table>

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