Hāna (HI) monthly weather averages

Average daytime temperature

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

Hāna average temperature chart (Celsius) Hāna average temperature chart (Fahrenheit)
Average monthly temperatures in Hāna (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 23.3 22.8 22.4 22.6 23.5 24.5 24.9 25.4 25.4 25.1 24.1 23.7
°F 73.9 73.1 72.3 72.6 74.3 76.2 76.8 77.7 77.7 77.2 75.5 74.7

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.

Hāna monthly rainfall chart (mm) Hāna monthly rainfall chart (inches)
Average monthly rainfall in Hāna (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 371 404 563 572 427 254 383 371 216 325 458 468
inches 14.6 15.9 22.2 22.5 16.8 10 15.1 14.6 8.5 12.8 18 18.4
Rainy days 14 13 16 16 13 13 15 14 13 14 15 15

Average annual rainfall in Hāna: 4676.267mm (1841.1 inches)

Average daily sunshine

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

Hāna average daily sunshine chart
Average daily sunshine Hāna
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7 7.3 7.3 7.1 7.8 8.5 8.2 8.2 8 7.1 6.3 6.4

Day / night temperatures

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

Hāna average minimum / maximum temperatures (Celsius) Hāna average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hāna (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14.5 14.2 14.2 14.7 15.3 16.1 16.9 17.2 16.8 16.7 15.9 15.1
Max °C 23.5 23.1 22.6 22.8 23.7 24.8 25.1 25.6 25.6 25.3 24.4 24
Min °F 58.1 57.5 57.6 58.4 59.5 60.9 62.4 63 62.2 62.1 60.5 59.1
Max °F 66.2 65.5 65.1 65.7 67.1 68.7 69.8 70.5 70.2 69.8 68.2 67.1

Sea temperature

The graph below shows the average sea temperature.

Hāna average sea temperature chart (Celsius) Hāna average sea temperature chart (Fahrenheit)
Average sea temperature around Hāna in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 24.5 24.2 24.2 24.3 24.8 25.4 25.8 26.3 26.6 26.5 25.9 25.1
°F 76.1 75.6 75.5 75.8 76.7 77.7 78.5 79.3 79.9 79.8 78.7 77.1

Wind speed

The graph below shows the average wind speed.

Hāna average winspeed by month (km/h) Hāna average winspeed by month (mph)
Average wind speed in Hāna (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 18 19 20 19 21 22 20 18 17 18 18
mph 11 11 12 12 12 13 14 13 11 11 11 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.

Hāna relative humidity averages
Average relative humidity in Hāna
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 74% 73% 73% 73% 72% 75% 74% 74% 75% 76% 77%