Weather Averages Grand Cayman, Cayman Islands

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Weather Averages for
Grand Cayman, Cayman Islands



Latitude: 19°15'N, Longitude: 81°25'W, Elevation: 6.1 m, Distance: 2.25 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 11 years
°C 27 25 25 26 26 27 28 28 28 28 27 27 26
Average high temperature
over 11 years
°C 29 27 27 28 28 30 30 31 31 30 30 28 28
Average low temperature
over 11 years
°C 25 22 22 23 24 25 26 26 26 26 25 25 23
Highest recorded temperature
over 11 years
°C 33 31 30 31 31 32 32 33 33 32 32 32 31
Lowest recorded temperature
over 11 years
°C 12 12 14 16 16 18 20 22 20 21 20 20 16
Average dew point
over 4 years
°C 22 20 20 21 21 23 24 24 24 24 23 22 21
Average number of days with thunderstorms
over 15 years
days 33 1 - 1 1 2 3 7 7 6 3 1 1
Average number of days with fog
over 15 years
days 1 - - - - - - - - - - - -
Average morning relative humidity
over 6 years
% 85 85 84 84 83 84 85 84 87 88 88 86 83
Average evening relative humidity
over 7 years
% 71 71 69 68 68 71 72 71 72 73 74 74 71
Average wind speed
over 5 years
km/h 16.1 17.7 17.7 17.7 19.3 14.5 16.1 14.5 12.9 14.5 14.5 17.7 17.7
Average number of days with precipitation
over 15 years
days 59 4 3 3 2 5 5 6 7 7 7 6 4
Average number of days with smoke/haze
over 15 years
days 19 1 - 1 1 2 1 3 1 3 2 2 2
Average number of days above 24.5°C
over 11 years
days 210 3 4 9 14 23 26 29 28 26 24 14 10
Average number of days below 19.5°C
over 11 years
days 125 24 20 17 11 7 3 3 4 4 8 9 15
Average number of days below 14.5°C
over 11 years
days 5 2 1 1 - - - - - - - - -
Average number of days with vision obstruction
over 15 years
days 20 1 - 1 1 2 2 3 1 3 2 2 2