Climate of Hong Kong

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The climate of Hong Kong is a monsoon-influenced humid subtropical climate (Köppen climate classification Cwa), just short of being a tropical monsoon climate (Köppen climate classification Am).

Statistics

Climate data for Hong Kong (Hong Kong Observatory), normals 1981–2010, extremes 1884–1939 and 1947–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 26.9
(80.4)		 28.3
(82.9)		 30.1
(86.2)		 33.4
(92.1)		 35.5
(95.9)		 35.6
(96.1)		 35.7
(96.3)		 36.3
(97.3)		 35.2
(95.4)		 34.3
(93.7)		 31.8
(89.2)		 28.7
(83.7)		 36.3
(97.3)
Mean maximum °C (°F) 23.7
(74.7)		 24.5
(76.1)		 27.1
(80.8)		 29.8
(85.6)		 31.8
(89.2)		 33.1
(91.6)		 33.8
(92.8)		 33.8
(92.8)		 33.8
(92.8)		 30.8
(87.4)		 28.0
(82.4)		 25.1
(77.2)		 34.3
(93.7)
Average high °C (°F) 18.6
(65.5)		 18.9
(66)		 21.4
(70.5)		 25.0
(77)		 28.4
(83.1)		 30.2
(86.4)		 31.4
(88.5)		 31.1
(88)		 30.1
(86.2)		 27.8
(82)		 24.1
(75.4)		 20.2
(68.4)		 25.6
(78.08)
Daily mean °C (°F) 16.3
(61.3)		 16.8
(62.2)		 19.1
(66.4)		 22.6
(72.7)		 25.9
(78.6)		 27.9
(82.2)		 28.8
(83.8)		 28.6
(83.5)		 27.7
(81.9)		 25.5
(77.9)		 21.8
(71.2)		 17.9
(64.2)		 23.24
(73.83)
Average low °C (°F) 14.5
(58.1)		 15.0
(59)		 17.2
(63)		 20.8
(69.4)		 24.1
(75.4)		 26.2
(79.2)		 26.8
(80.2)		 26.6
(79.9)		 25.8
(78.4)		 23.7
(74.7)		 19.8
(67.6)		 15.9
(60.6)		 21.37
(70.46)
Mean minimum °C (°F) 9.1
(48.4)		 9.9
(49.8)		 11.5
(52.7)		 15.9
(60.6)		 20.5
(68.9)		 23.2
(73.8)		 23.9
(75)		 24.2
(75.6)		 23.2
(73.8)		 19.6
(67.3)		 14.4
(57.9)		 10.0
(50)		 7.7
(45.9)
Record low °C (°F) 0.0
(32)		 2.4
(36.3)		 4.8
(40.6)		 9.9
(49.8)		 15.4
(59.7)		 19.2
(66.6)		 21.7
(71.1)		 21.6
(70.9)		 18.4
(65.1)		 13.5
(56.3)		 6.5
(43.7)		 4.3
(39.7)		 0
(32)
Average rainfall mm (inches) 24.7
(0.972)		 54.4
(2.142)		 82.2
(3.236)		 174.7
(6.878)		 304.7
(11.996)		 456.1
(17.957)		 376.5
(14.823)		 432.2
(17.016)		 327.6
(12.898)		 100.9
(3.972)		 37.6
(1.48)		 26.8
(1.055)		 2,398.4
(94.425)
Average rainy days (≥ 0.1 mm) 5.37 9.07 10.90 12.00 14.67 19.07 17.60 16.93 14.67 7.43 5.47 4.47 137.65
Average relative humidity (%) 74 80 82 83 83 82 81 81 78 73 71 69 78.0
Mean monthly sunshine hours 143.0 94.2 90.8 101.7 140.4 146.1 212.0 188.9 172.3 193.9 180.1 172.2 1,835.6
Percent possible sunshine 42 29 24 27 34 36 51 47 47 54 54 51 42
Source: Hong Kong Observatory[1][2][3][4]
Climate data for Hong Kong International Airport (normals and extremes 1998–present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 27.2
(81)		 29.6
(85.3)		 31.4
(88.5)		 33.5
(92.3)		 34.6
(94.3)		 36.6
(97.9)		 37.1
(98.8)		 37.7
(99.9)		 36.0
(96.8)		 34.2
(93.6)		 33.4
(92.1)		 29.6
(85.3)		 37.7
(99.9)
Average high °C (°F) 19.4
(66.9)		 20.9
(69.6)		 23.5
(74.3)		 27.2
(81)		 30.3
(86.5)		 32.0
(89.6)		 33.0
(91.4)		 32.9
(91.2)		 32.0
(89.6)		 29.8
(85.6)		 25.8
(78.4)		 21.2
(70.2)		 27.3
(81.1)
Daily mean °C (°F) 16.3
(61.3)		 17.8
(64)		 20.2
(68.4)		 24.0
(75.2)		 27.2
(81)		 29.0
(84.2)		 29.8
(85.6)		 29.6
(85.3)		 28.7
(83.7)		 26.5
(79.7)		 22.5
(72.5)		 18.0
(64.4)		 24.13
(75.44)
Average low °C (°F) 13.7
(56.7)		 15.3
(59.5)		 17.7
(63.9)		 21.6
(70.9)		 24.7
(76.5)		 26.6
(79.9)		 27.2
(81)		 26.9
(80.4)		 26.2
(79.2)		 24.1
(75.4)		 19.9
(67.8)		 15.2
(59.4)		 21.59
(70.88)
Record low °C (°F) 2.9
(37.2)		 6.0
(42.8)		 7.7
(45.9)		 12.2
(54)		 17.5
(63.5)		 20.4
(68.7)		 23.6
(74.5)		 23.5
(74.3)		 20.2
(68.4)		 15.9
(60.6)		 8.8
(47.8)		 4.8
(40.6)		 2.9
(37.2)
Average precipitation mm (inches) 29.6
(1.165)		 34.2
(1.346)		 65.8
(2.591)		 155.5
(6.122)		 246.6
(9.709)		 426.2
(16.78)		 272.5
(10.728)		 335.5
(13.209)		 214.5
(8.445)		 38.4
(1.512)		 41.8
(1.646)		 41.2
(1.622)		 1,901.8
(74.875)
Average rainy days (≥ 0.5 mm) 3.3 4.7 6.7 8.3 12.4 16.5 15.3 13.6 9.8 3.6 3.7 3.8 101.7
Average relative humidity (%) 67 73 74 76 75 76 74 75 71 65 65 61 71
Source: Hong Kong Observatory[5][6]

See also

References

  1. ↑ "Monthly Meteorological Normals for Hong Kong". Hong Kong Observatory. Retrieved 2012-01-03.
  2. ↑ "Extreme Values and Dates of Occurrence of Extremes of Meteorological Elements between 1884–1939 and 1947–2014 for Hong Kong". Hong Kong Observatory. Retrieved 2015-08-10.
  3. ↑ "Record-breaking high temperature" (PDF). Hong Kong Observatory. Retrieved 2015-08-10.
  4. ↑ "Monthly Data for Single Element". Retrieved 2016-04-14. Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at HKO from 1981 to 2010.
  5. ↑ "Monthly Means of the Meteorological Elements at Hong Kong International Airport January 1998 - December 2014". Hong Kong Observatory. Retrieved April 5, 2016.
  6. ↑ "Monthly Means of Meteorological Elements for Hong Kong International Airport, 1998-2015: Cold/Hot Weather and Rainfall statistics". Hong Kong Observatory. Retrieved April 5, 2016.
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Coordinates: 22°11′N 114°08′E / 22.183°N 114.133°E / 22.183; 114.133

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