Weather Averages Dededo, GU

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Weather Averages for
Dededo, GU


Latitude: 13°33'N, Longitude: 144°50'E, Elevation: 364.0 ft, Distance: 2.39 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 39 years
°F 78 78 78 78 78 80 80 80 78 80 78 80 78
Average high temperature
over 39 years
°F 86 84 84 84 86 87 87 87 86 86 86 84 84
Average low temperature
over 39 years
°F 71 71 71 71 71 73 73 73 71 71 71 73 73
Highest recorded temperature
over 39 years
°F 95 87 89 89 89 91 93 93 91 95 91 89 89
Lowest recorded temperature
over 39 years
°F 53 55 59 53 59 62 62 64 62 60 64 62 60
Average precipitation
over 39 years
in 100.9 5.7 4.5 3.9 4.3 6.5 6.3 11.2 15.0 14.8 13.3 9.4 6.1
Average dew point
over 20 years
°F 73 71 71 71 71 73 75 75 75 75 75 75 73
Most recorded rainfall
over 39 years
in 165.0 20.4 14.4 16.9 19.5 40.1 14.6 20.0 38.1 27.1 26.0 18.1 16.2
Least recorded rainfall
over 39 years
in 66.9 1.2 0.7 0.6 0.5 0.6 0.8 4.7 3.9 5.9 6.6 2.1 2.2
Average number of days with thunderstorms
over 12 years
days 30 1 - - - 1 1 5 8 6 5 2 1
Average evening relative humidity
over 28 years
% 76 75 74 73 71 72 74 78 80 80 80 80 78
Average wind speed
over 19 years
mph 10.0 12.0 11.0 11.0 11.0 11.0 10.0 9.0 8.0 8.0 9.0 10.0 11.0
Average number of days above 85°F
over 39 years
days 259 9 8 18 25 29 28 27 25 25 26 24 15
Average number of days below 75°F
over 39 years
days 332 30 27 30 27 26 25 29 29 28 28 25 27
Average number of days below 65°F
over 39 years
days 10 3 2 2 1 - - - - - - - 1