Wailua (HI) monthly weather averages

  • Average daytime temperature

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

    Wailua average temperature chart
    Average monthly temperatures in Wailua (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 24.4 24.2 24.2 24.8 25.7 26.9 27.5 27.9 27.8 27 25.8 24.8
    °F 75.9 75.6 75.6 76.6 78.2 80.4 81.4 82.1 82 80.6 78.4 76.7

    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 Wailua (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 349 284 337 327 296 195 291 301 218 293 368 370
    inches 13.7 11.2 13.3 12.9 11.7 7.7 11.4 11.9 8.6 11.5 14.5 14.6
    Rainy days 15 13 17 18 16 16 19 17 16 18 18 17
  • Average daily sunshine

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

    Average daily sunshine Wailua
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 6.4 7.1 7.3 7.3 8.3 8.7 8.8 8.9 8.5 7.2 5.9 5.8
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Wailua (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 17.5 17.2 18 18.9 19.8 21 21.8 22 21.7 20.9 19.9 18.4
    Max °C 24.6 24.4 24.4 25 25.8 27.1 27.6 28 28 27.2 25.9 25
    Min °F 63.4 63 64.4 65.9 67.6 69.7 71.2 71.6 71 69.5 67.8 65.1
    Max °F 69.8 69.4 70.2 71.4 73 75.2 76.5 77 76.6 75.2 73.2 71.1
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Wailua in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 24.1 23.7 23.8 24.1 24.8 25.6 26.1 26.5 26.9 26.7 25.9 24.9
    °F 75.4 74.7 74.8 75.4 76.6 78.1 78.9 79.7 80.3 80 78.6 76.7
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Wailua (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 19 19 22 23 21 22 23 22 20 19 21 19
    mph 12 12 14 14 13 14 15 14 12 12 13 12

    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 Wailua
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    76% 74% 74% 74% 74% 73% 74% 74% 74% 75% 77% 77%

Other monthly averages

Wailua weather stats

Wailua weather statistics
Hottest month: August 27.9°C 82.2°F
Driest month: June 195mm 7.7ins
Sunniest month: September 8.5hrs
Coldest month: February 24.2°C 75.6°F
Wettest month: December 370mm 14.6ins
Warmest sea: September 26.9°C 80.4°F
Map showing location of Wailua (22.04922, -159.33522)

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