Kapa‘a (HI) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Kapa‘a

Kapa‘a average temperature chart (Celsius) Kapa‘a average temperature chart (Fahrenheit)
Average monthly temperatures in Kapa‘a (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.8 24.8 24.9 25.5 26.4 27.5 28.1 28.5 28.5 27.6 26.3 25.2
°F 76.7 76.6 76.8 77.8 79.4 81.6 82.6 83.3 83.2 81.7 79.4 77.4

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.

Kapa‘a monthly rainfall chart (mm) Kapa‘a monthly rainfall chart (inches)
Average monthly rainfall in Kapa‘a (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 279 222 262 248 214 139 207 208 154 223 288 290
inches 11 8.7 10.3 9.8 8.4 5.5 8.1 8.2 6.1 8.8 11.3 11.4
Rainy days 15 13 17 18 16 16 19 17 16 18 18 16

Average annual rainfall in Kapa‘a: 2595.9996733mm (1022 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Kapa‘a

Kapa‘a average daily sunshine chart
Average daily sunshine Kapa‘a
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.3 7 7.2 7.3 8.4 8.8 8.9 9 8.6 7.2 5.9 5.8

Day / night temperatures

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

Kapa‘a average minimum / maximum temperatures (Celsius) Kapa‘a average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Kapa‘a (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 17.9 17.7 18.6 19.5 20.4 21.7 22.4 22.7 22.3 21.5 20.5 18.9
Max °C 25 24.9 25 25.6 26.5 27.7 28.2 28.7 28.6 27.8 26.5 25.4
Min °F 64.3 63.9 65.5 67.1 68.8 71 72.4 72.8 72.2 70.6 69 66
Max °F 70.6 70.4 71.3 72.6 74.2 76.4 77.6 78.2 77.8 76.3 74.3 71.8

Sea temperature

The graph below shows the average sea temperature.

Kapa‘a average sea temperature chart (Celsius) Kapa‘a average sea temperature chart (Fahrenheit)
Average sea temperature around Kapa‘a 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.

Kapa‘a average winspeed by month (km/h) Kapa‘a average winspeed by month (mph)
Average wind speed in Kapa‘a (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 21 23 21 22 23 22 20 19 21 19
mph 12 12 13 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.

Kapa‘a relative humidity averages
Average relative humidity in Kapa‘a
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 75% 74% 74% 74% 73% 74% 73% 74% 75% 77% 77%