Weather Averages Juliana Airport, St. Maarten

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Weather Averages for
Juliana Airport, St. Maarten


Latitude: 20°40'N, Longitude: 58°54'E, Elevation: 62.0 ft, Distance: 330.01 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 12 years
°F 80 73 73 78 84 87 87 82 80 80 82 78 75
Average high temperature
over 12 years
°F 87 78 80 84 91 95 93 87 86 87 89 84 80
Average low temperature
over 12 years
°F 73 66 68 71 75 80 80 75 73 75 75 73 69
Highest recorded temperature
over 12 years
°F 113 87 91 98 105 107 113 105 96 102 100 100 86
Lowest recorded temperature
over 12 years
°F 55 55 55 57 68 69 66 69 69 69 66 64 57
Average number of days above 90°F
over 12 years
days 113 - - 4 19 29 28 11 4 4 12 4 -
Average precipitation
over 48 years
in 2.2 0.2 0.3 0.4 0.3 - 0.4 0.1 0.1 - - - 0.3
Average dew point
over 11 years
°F 69 60 62 66 69 73 75 73 71 73 71 68 64
Most recorded rainfall
over 48 years
in 17.4 1.6 7.4 6.8 3.1 1.3 17.0 1.3 2.1 0.2 0.9 0.6 3.9
Average number of days with thunderstorms
over 11 years
days 3 - 1 1 1 - - - - - - - -
Average number of days with fog
over 11 years
days 12 1 1 1 - 1 1 1 1 2 3 - -
Average morning relative humidity
over 11 years
% 85 79 81 84 82 84 86 89 90 90 89 83 80
Average evening relative humidity
over 11 years
% 58 57 59 57 50 50 56 65 66 66 56 58 61
Average wind speed
over 11 years
mph 13.0 9.0 10.0 9.0 12.0 14.0 18.0 20.0 17.0 14.0 11.0 9.0 11.0
Average number of days above 80°F
over 12 years
days 317 9 15 29 30 31 30 31 31 30 31 30 21