Waialua (HI) monthly weather averages

Average daytime temperature

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

Waialua average temperature chart (Celsius) Waialua average temperature chart (Fahrenheit)
Average monthly temperatures in Waialua (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.6 25.6 25.9 26.5 27.6 28.6 29.2 29.8 29.8 28.9 27.4 26.2
°F 78 78 78.7 79.7 81.7 83.5 84.5 85.7 85.6 84 81.3 79.1

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.

Waialua monthly rainfall chart (mm) Waialua monthly rainfall chart (inches)
Average monthly rainfall in Waialua (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 174 140 147 121 85 51 74 72 59 114 145 148
inches 6.9 5.5 5.8 4.8 3.4 2 2.9 2.8 2.3 4.5 5.7 5.8
Rainy days 11 10 11 12 10 8 10 9 9 11 12 12

Average annual rainfall in Waialua: 1193.4mm (469.8 inches)

Average daily sunshine

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

Waialua average daily sunshine chart
Average daily sunshine Waialua
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.2 7.8 8.4 8.4 9.2 9.7 10 9.9 9.5 8.1 6.9 6.7

Day / night temperatures

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

Waialua average minimum / maximum temperatures (Celsius) Waialua average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Waialua (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17.9 17.7 18.5 19.3 20.2 21.2 22.1 22.4 22.1 21.4 20.3 18.7
Max °C 25.8 25.8 26.1 26.7 27.8 28.8 29.4 30 30 29.1 27.6 26.4
Min °F 64.1 63.8 65.3 66.7 68.4 70.2 71.7 72.3 71.7 70.4 68.5 65.6
Max °F 71.2 71.1 72.1 73.4 75.2 77 78.3 79.2 78.8 77.4 75 72.5

Sea temperature

The graph below shows the average sea temperature.

Waialua average sea temperature chart (Celsius) Waialua average sea temperature chart (Fahrenheit)
Average sea temperature around Waialua in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.5 24.1 24.2 24.4 25 25.8 26.2 26.6 27 26.8 26.1 25.1
°F 76 75.4 75.5 76 77.1 78.4 79.1 79.9 80.5 80.3 79 77.2

Wind speed

The graph below shows the average wind speed.

Waialua average winspeed by month (km/h) Waialua average winspeed by month (mph)
Average wind speed in Waialua (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 11 11 12 13 12 14 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.

Waialua relative humidity averages
Average relative humidity in Waialua
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 72% 71% 69% 68% 67% 68% 67% 69% 70% 72% 74%