Hale‘iwa (HI) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Hale‘iwa

Hale‘iwa average temperature chart (Celsius) Hale‘iwa average temperature chart (Fahrenheit)
Average monthly temperatures in Hale‘iwa (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.

Hale‘iwa monthly rainfall chart (mm) Hale‘iwa monthly rainfall chart (inches)
Average monthly rainfall in Hale‘iwa (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 Hale‘iwa: 1193.4mm (469.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Hale‘iwa

Hale‘iwa average daily sunshine chart
Average daily sunshine Hale‘iwa
  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.

Hale‘iwa average minimum / maximum temperatures (Celsius) Hale‘iwa average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hale‘iwa (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.

Hale‘iwa average sea temperature chart (Celsius) Hale‘iwa average sea temperature chart (Fahrenheit)
Average sea temperature around Hale‘iwa 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.

Hale‘iwa average winspeed by month (km/h) Hale‘iwa average winspeed by month (mph)
Average wind speed in Hale‘iwa (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.

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