Honolulu (HI) monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at Honolulu

    Honolulu average temperature chart
    Average monthly temperatures in Honolulu (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 25.7 25.8 26.2 26.8 27.9 28.9 29.4 30 29.9 29.1 27.6 26.3
    °F 78.2 78.4 79.2 80.2 82.2 84 84.9 86.1 85.9 84.4 81.7 79.4

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in Honolulu (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 197 168 210 177 154 107 156 145 111 156 206 199
    inches 7.8 6.6 8.3 7 6.1 4.2 6.1 5.7 4.4 6.1 8.1 7.8
    Rainy days 11 9 10 11 9 7 9 7 8 10 11 11
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Honolulu

    Average daily sunshine Honolulu
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 7.3 7.9 8.6 8.6 9.3 9.9 10.1 10 9.6 8.2 7 6.8
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in Honolulu (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 17.8 17.7 18.5 19.3 20.2 21.2 21.9 22.3 22 21.3 20.2 18.6
    Max °C 25.9 26 26.4 27 28.1 29.1 29.6 30.2 30.1 29.3 27.8 26.5
    Min °F 64 63.9 65.3 66.7 68.4 70.1 71.5 72.1 71.5 70.3 68.4 65.4
    Max °F 71.3 71.3 72.4 73.6 75.5 77.2 78.4 79.3 78.9 77.5 75.2 72.5
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Honolulu in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 24.4 24.1 24.1 24.3 24.9 25.6 26 26.5 26.8 26.7 26 25
    °F 75.9 75.3 75.4 75.8 76.8 78.1 78.8 79.6 80.3 80 78.8 77
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Honolulu (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 17 18 20 21 20 22 23 21 19 18 19 18
    mph 10 11 12 13 12 13 14 13 12 11 12 11

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Average relative humidity in Honolulu
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    74% 72% 70% 68% 68% 66% 67% 66% 68% 70% 72% 73%
Honolulu

Other monthly averages

Honolulu weather stats

Honolulu weather statistics
Hottest month: August 30°C 86°F
Driest month: June 107mm 4.2ins
Sunniest month: September 9.6hrs
Coldest month: January 25.7°C 78.3°F
Wettest month: March 210mm 8.3ins
Warmest sea: September 26.8°C 80.2°F
Map showing location of Honolulu (21.30694, -157.85833)

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