Weather Averages Hewanorra International Airport, St. Lucia

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Weather Averages for
Hewanorra International Airport, St. Lucia


Latitude: 13°45'N, Longitude: 60°57'W, Elevation: 10.0 ft, Distance: 0.00 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 19 years
°F 82 78 80 80 82 82 82 82 82 82 82 82 80
Average high temperature
over 19 years
°F 84 82 82 82 84 86 86 86 86 86 86 84 82
Average low temperature
over 19 years
°F 78 75 75 77 78 80 80 80 80 78 78 78 77
Highest recorded temperature
over 19 years
°F 91 86 86 91 89 89 87 87 89 89 89 87 87
Lowest recorded temperature
over 19 years
°F 66 66 66 68 68 69 73 71 71 71 71 68 66
Average dew point
over 11 years
°F 73 69 69 69 71 73 75 75 75 75 75 73 71
Average number of days with thunderstorms
over 18 years
days 17 - - - - 1 1 3 3 4 3 2 -
Average number of days with fog
over 18 years
days 3 - - - - - - - - - - - -
Average morning relative humidity
over 6 years
% 82 81 80 79 80 82 82 84 84 85 84 85 81
Average evening relative humidity
over 14 years
% 75 73 73 72 73 75 76 77 76 77 77 78 75
Average wind speed
over 11 years
mph 14.0 16.0 16.0 14.0 14.0 14.0 17.0 16.0 14.0 13.0 12.0 13.0 14.0
Average number of days with precipitation
over 18 years
days 214 18 16 16 13 16 19 20 20 19 19 20 18
Average number of days with blowing dust/sand
over 18 years
days 79 4 4 5 6 10 15 12 8 5 4 4 2
Average number of days with smoke/haze
over 18 years
days 216 16 16 18 18 21 24 24 21 18 12 13 15
Average number of days with sleet
over 18 years
days 1 - - - - - - - - - - - -
Average number of days above 85°F
over 19 years
days 180 1 1 5 13 21 22 24 25 24 23 16 4
Average number of days below 75°F
over 19 years
days 71 14 12 9 5 2 1 2 3 5 4 6 10
Average number of days with vision obstruction
over 18 years
days 232 17 17 18 19 23 28 27 23 19 13 13 15