<P> Some mountainous locations in Sinai, such as Saint Catherine, have cooler night temperatures, due to their high elevations . It usually snows on the Sinai mountains, but it almost never snows in the cities of Giza, Cairo, and Alexandria . For example, in December 2013, Cairo received a single overnight snowfall for the first time since 1901 . </P> <Table> <Tr> <Th_colspan="14"> hide Climate data for Cairo </Th> </Tr> <Tr> <Th> Month </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> Year </Th> </Tr> <Tr> <Th> Record high ° C (° F) </Th> <Td> 31 (88) </Td> <Td> 34.2 (93.6) </Td> <Td> 37.9 (100.2) </Td> <Td> 43.2 (109.8) </Td> <Td> 47.8 (118) </Td> <Td> 46.4 (115.5) </Td> <Td> 42.6 (108.7) </Td> <Td> 43.4 (110.1) </Td> <Td> 43.7 (110.7) </Td> <Td> 41 (106) </Td> <Td> 37.4 (99.3) </Td> <Td> 30.2 (86.4) </Td> <Td> 47.8 (118) </Td> </Tr> <Tr> <Th> Average high ° C (° F) </Th> <Td> 18.9 (66) </Td> <Td> 20.4 (68.7) </Td> <Td> 23.5 (74.3) </Td> <Td> 28.3 (82.9) </Td> <Td> 32 (90) </Td> <Td> 33.9 (93) </Td> <Td> 34.7 (94.5) </Td> <Td> 34.2 (93.6) </Td> <Td> 32.6 (90.7) </Td> <Td> 29.2 (84.6) </Td> <Td> 24.8 (76.6) </Td> <Td> 20.3 (68.5) </Td> <Td> 27.7 (81.9) </Td> </Tr> <Tr> <Th> Daily mean ° C (° F) </Th> <Td> 14.0 (57.2) </Td> <Td> 15.1 (59.2) </Td> <Td> 17.6 (63.7) </Td> <Td> 21.5 (70.7) </Td> <Td> 24.9 (76.8) </Td> <Td> 27.0 (80.6) </Td> <Td> 28.4 (83.1) </Td> <Td> 28.2 (82.8) </Td> <Td> 26.6 (79.9) </Td> <Td> 23.3 (73.9) </Td> <Td> 19.5 (67.1) </Td> <Td> 15.4 (59.7) </Td> <Td> 21.8 (71.2) </Td> </Tr> <Tr> <Th> Average low ° C (° F) </Th> <Td> 9 (48) </Td> <Td> 9.7 (49.5) </Td> <Td> 11.6 (52.9) </Td> <Td> 14.6 (58.3) </Td> <Td> 17.7 (63.9) </Td> <Td> 20.1 (68.2) </Td> <Td> 22 (72) </Td> <Td> 22.1 (71.8) </Td> <Td> 20.5 (68.9) </Td> <Td> 17.4 (63.3) </Td> <Td> 14.1 (57.4) </Td> <Td> 10.4 (50.7) </Td> <Td> 15.8 (60.4) </Td> </Tr> <Tr> <Th> Record low ° C (° F) </Th> <Td> 1.2 (34.2) </Td> <Td> 3.6 (38.5) </Td> <Td> 5 (41) </Td> <Td> 7.6 (45.7) </Td> <Td> 12.3 (54.1) </Td> <Td> 16 (61) </Td> <Td> 18.2 (64.8) </Td> <Td> 19 (66) </Td> <Td> 14.5 (58.1) </Td> <Td> 12.3 (54.1) </Td> <Td> 5.2 (41.4) </Td> <Td> (37) </Td> <Td> 1.2 (34.2) </Td> </Tr> <Tr> <Th> Average precipitation mm (inches) </Th> <Td> 5 (0.2) </Td> <Td> 3.8 (0.15) </Td> <Td> 3.8 (0.15) </Td> <Td> 1.1 (0.043) </Td> <Td> 0.5 (0.02) </Td> <Td> 0.1 (0.004) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0.7 (0.028) </Td> <Td> 3.8 (0.15) </Td> <Td> 5.9 (0.232) </Td> <Td> 24.7 (0.972) </Td> </Tr> <Tr> <Th> Average precipitation days (≥ 0.01 mm) </Th> <Td> 3.5 </Td> <Td> 2.7 </Td> <Td> 1.9 </Td> <Td> 0.9 </Td> <Td> 0.5 </Td> <Td> 0.1 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0.5 </Td> <Td> 1.3 </Td> <Td> 2.8 </Td> <Td> 14.2 </Td> </Tr> <Tr> <Th> Average relative humidity (%) </Th> <Td> 59 </Td> <Td> 54 </Td> <Td> 53 </Td> <Td> 47 </Td> <Td> 46 </Td> <Td> 49 </Td> <Td> 58 </Td> <Td> 61 </Td> <Td> 60 </Td> <Td> 60 </Td> <Td> 61 </Td> <Td> 61 </Td> <Td> 56 </Td> </Tr> <Tr> <Th> Mean monthly sunshine hours </Th> <Td> 213 </Td> <Td> 234 </Td> <Td> 269 </Td> <Td> 291 </Td> <Td> 324 </Td> <Td> 357 </Td> <Td> 363 </Td> <Td> 351 </Td> <Td> 311 </Td> <Td> 292 </Td> <Td> 248 </Td> <Td> 198 </Td> <Td> 3,451 </Td> </Tr> <Tr> <Td_colspan="14"> Source #1: World Meteorological Organization (UN) (1971--2000), NOAA for mean, record high and low and humidity </Td> </Tr> <Tr> <Td_colspan="14"> Source #2: Danish Meteorological Institute for sunshine (1931--1960) </Td> </Tr> </Table> <Tr> <Th_colspan="14"> hide Climate data for Cairo </Th> </Tr> <Tr> <Th> Month </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> Year </Th> </Tr>

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