Weather Averages Marathon, FL

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Weather Averages for
Marathon, FL



Latitude: 24°35'N, Longitude: 81°41'W, Elevation: 2.1 m, Distance: 24.54 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 44 years
°C 25 21 21 23 25 26 28 28 28 28 26 24 21
Average high temperature
over 44 years
°C 27 23 23 25 27 29 30 31 31 31 28 26 24
Average low temperature
over 44 years
°C 22 18 18 20 22 24 26 26 26 25 23 21 18
Highest recorded temperature
over 44 years
°C 35 29 30 31 32 33 35 35 34 33 32 31 31
Lowest recorded temperature
over 44 years
°C 6 6 7 8 12 18 20 21 20 18 15 10 6
Average number of days above 27°C
over 44 years
days 37 - - - - 1 4 11 13 7 - - -
Average precipitation
over 44 years
cm 104.1 5.3 4.8 4.3 4.3 9.9 13.7 9.7 12.7 17.0 11.4 6.3 4.8
Average dew point
over 49 years
°C 20 16 16 17 18 20 22 22 23 23 21 18 16
Most recorded rainfall
over 44 years
cm 160.8 42.7 14.5 19.1 23.4 32.8 44.2 28.4 32.0 44.7 36.6 69.3 24.9
Least recorded rainfall
over 44 years
cm 49.8 - - - - 0.5 0.8 1.8 2.5 3.8 1.5 - -
Average number of days with thunderstorms
over 34 years
days 65 1 1 2 2 5 9 12 14 12 5 1 1
Average number of days with fog
over 34 years
days 7 2 1 1 - - - - - - - 1 2
Average morning relative humidity
over 49 years
% 78 81 80 78 75 74 77 75 76 80 80 81 81
Average evening relative humidity
over 49 years
% 67 69 68 65 63 64 67 65 66 69 69 69 69
Average wind speed
over 49 years
km/h 17.7 16.1 19.3 19.3 20.9 17.7 16.1 14.5 14.5 16.1 16.1 16.1 16.1
Average number of days above 22°C
over 44 years
days 263 8 8 15 23 30 30 31 31 30 28 18 10