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Key West, Florida Climate & Temperature

  • Key West, Florida, Usa is at 24°33'N, 81°45'W, 5 m (15 ft). See map.
  • Key West, Florida has a tropical wet and dry/ savanna climate (Köppen-Geiger classification: Aw) with a pronounced dry season in the low-sun months , no cold season, wet season is in the high-sun months.
  • The annual mean temperature is 25.5 degrees Celsius (77.9 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 8 °C (14.4°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic. Key West, Florida Climate Graph
  • Total annual Precipitation averages 1005.6 mm (39.6 inches) which is equivalent to 1005.6 Litres/m² (24.66 Gallons/ft²).
  • On average there are 3150 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Key West, Florida you would pop up nearest to the climate station at Cocos Island A.M.O., Australia where you would find a Tropical monsoonal climate.

Key West, Florida Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 24 (75) 24 (75) 26 (79) 28 (82) 30 (85) 31 (88) 32 (89) 32 (89) 31 (88) 29 (84) 27 (80) 25 (76) 28 (83)
 
Average Temperature °C ( °F) 21 (70) 21 (71) 23 (74) 25 (77) 27 (81) 28 (83) 29 (84) 29 (84) 29 (83) 27 (80) 24 (76) 22 (71) 26 (78)
 
Average Min Temperature °C ( °F) 18 (65) 19 (66) 21 (69) 22 (72) 25 (76) 26 (78) 26 (80) 26 (79) 26 (78) 24 (76) 22 (71) 19 (67) 23 (73)
 
Average Precipitation mm (in) 51 (2) 46 (2) 43 (2) 44 (2) 88 (3) 129 (5) 92 (4) 128 (5) 149 (6) 112 (4) 72 (3) 51 (2) 1006 (40)
Number of Wet Days (probability of rain on a day %) 6 (19) 5 (18) 5 (16) 6 (20) 8 (26) 10 (33) 13 (42) 15 (48) 16 (53) 13 (42) 7 (23) 7 (23) 111 (30)
Average Sunlight Hours/ Day 7h 46' 8h 40' 9h 19' 10h 22' 10h 05' 9h 22' 9h 07' 8h 54' 7h 48' 7h 25' 7h 40' 7h 00' 8h 37'
Average Daylight Hours/ Day 10h 47' 11h 17' 11h 58' 12h 42' 13h 18' 13h 37' 13h 29' 12h 57' 12h 15' 11h 31' 10h 55' 10h 37' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 73 (27) 78 (22) 79 (21) 82 (18) 77 (23) 69 (31) 68 (32) 69 (31) 64 (36) 65 (35) 71 (29) 67 (33) 72 (28)
Sun altitude at solar noon on the 21st day (°). 45.6 54.9 65.8 77.5 85.6 88.8 85.6 77.4 65.9 54.4 45.3 42 65.7

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