Weather Averages Honolulu, HI

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Weather Averages for
Honolulu, HI



Latitude: 21°20'N, Longitude: 157°55'W, Elevation: 2.1 m, Distance: 3.50 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 46 years
°C 25 22 22 23 24 25 26 26 27 27 26 25 23
Average high temperature
over 46 years
°C 28 26 26 27 27 28 30 30 31 31 30 28 27
Average low temperature
over 46 years
°C 21 18 18 19 20 21 22 22 23 23 22 21 19
Highest recorded temperature
over 46 years
°C 35 30 31 31 31 33 33 34 33 35 34 33 31
Lowest recorded temperature
over 46 years
°C 11 11 11 12 13 15 18 18 19 18 16 13 12
Average number of rainy days
over 44 years
days 98 10 9 9 9 7 6 7 6 7 9 9 10
Average number of days above 27°C
over 46 years
days 27 - - - - - 1 4 9 8 4 - -
Average precipitation
over 46 years
cm 54.9 8.6 6.6 7.1 3.3 2.5 1.0 1.5 1.5 1.8 5.1 6.6 8.9
Average dew point
over 46 years
°C 17 17 16 16 17 17 18 18 19 19 19 18 17
Most recorded rainfall
over 46 years
cm 108.7 33.8 34.8 52.8 22.6 18.3 6.3 5.8 7.9 5.3 28.2 37.3 43.9
Least recorded rainfall
over 46 years
cm 12.7 0.5 0.3 - - 0.3 - - - - 0.3 - 0.3
Average number of days with thunderstorms
over 46 years
days 6 1 1 1 - - - - - - 1 1 1
Average morning relative humidity
over 46 years
% 78 82 80 78 77 76 75 75 75 77 78 79 80
Average evening relative humidity
over 46 years
% 62 66 64 62 61 60 58 58 58 60 63 66 66
Average wind speed
over 46 years
km/h 19.3 19.3 19.3 20.9 20.9 19.3 20.9 20.9 20.9 19.3 19.3 19.3 19.3
Average number of clear days
over 44 years
days 90 9 8 8 6 7 6 8 8 8 7 7 8
Most rain reported in a day
over 50 years
cm 38.9 16.3 14.0 38.9 9.9 8.6 5.1 2.5 5.3 5.3 19.1 14.0 20.1
Most rain reported in a month
over 50 years
cm 108.7 33.8 34.8 52.8 22.6 18.3 6.3 5.1 7.9 8.6 28.4 37.3 43.9
Least rain reported in a month
over 50 years
cm 12.7 - 0.3 - - - - - - 0.3 0.3 - 0.3
Cooling degree days
over 30 years
days 4474 245 224 291 324 388 432 481 508 480 453 366 282
Average possibility of sunshine
over 41 years
% 69 64 66 70 69 70 72 75 76 76 69 62 61
Average number of cloudy days
over 44 years
days 95 9 8 9 10 9 7 5 6 6 9 9 9
Average number of partly cloudy days
over 44 years
days 180 13 12 14 14 15 17 18 17 16 15 14 14
Average number of days below -12.5°C
over 50 years
days 6 2 2 1 - - - - - - - - 1
Average number of days above 22°C
over 46 years
days 317 19 17 22 26 30 30 31 31 30 31 28 22
Average number of days above 24.5°C
over 12 years
days 50 1 3 5 12 21 25 27 27 22 11 2 157
Average number of days below 14.5°C
over 50 years
days 43 13 10 7 2 1 - - - - 1 2 7
Average possibility of clouds
over 12 years
% 39 1 1 1 1 - 1 - 1 1 1 1 10
Most snow reported in a day
over 42 years
cm - - - - - - - - - - - - -
Average wet bulb point
over 10 years
°C 20 19 18 19 19 20 21 21 22 22 21 21 19