Honolulu (HI) monthly weather averages

Contents

Average daytime temperature
Average rainfall
Average daily sunshine
Day / night temperatures
Sea temperature
Wind speed
Relative humidity
Quick weather stats
Location map

Average daytime temperature

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

Honolulu average temperature chart (Celsius)

Honolulu average temperature chart (Fahrenheit)

Average monthly temperatures in Honolulu (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	25.7	25.8	26.2	26.8	27.9	28.9	29.4	30	29.9	29.1	27.6	26.3
°F	78.2	78.4	79.2	80.2	82.2	84	84.9	86.1	85.9	84.4	81.7	79.4

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.

Honolulu monthly rainfall chart (inches)

Average monthly rainfall in Honolulu (mm and inches)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
mm	197	168	210	177	154	107	156	145	111	156	206	199
inches	7.8	6.6	8.3	7	6.1	4.2	6.1	5.7	4.4	6.1	8.1	7.8
Rainy days	11	9	10	11	9	7	9	7	8	10	11	11

Average annual rainfall in Honolulu: 1850.30025mm (728.5 inches)

Average daily sunshine

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

Average daily sunshine Honolulu
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hrs sunshine	7.3	7.9	8.6	8.6	9.3	9.9	10.1	10	9.6	8.2	7	6.8

Day / night temperatures

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

Honolulu average minimum / maximum temperatures (Celsius)

Honolulu average minimum / maximum temperatures (Fahrenheit)

Maximum and minimum daily temperatures in Honolulu (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Min °C	17.8	17.7	18.5	19.3	20.2	21.2	21.9	22.3	22	21.3	20.2	18.6
Max °C	25.9	26	26.4	27	28.1	29.1	29.6	30.2	30.1	29.3	27.8	26.5
Min °F	64	63.9	65.3	66.7	68.4	70.1	71.5	72.1	71.5	70.3	68.4	65.4
Max °F	71.3	71.3	72.4	73.6	75.5	77.2	78.4	79.3	78.9	77.5	75.2	72.5

Sea temperature

The graph below shows the average sea temperature.

Honolulu average sea temperature chart (Fahrenheit)

Average sea temperature around Honolulu in degrees centigrade and fahrenheit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	24.4	24.1	24.1	24.3	24.9	25.6	26	26.5	26.8	26.7	26	25
°F	75.9	75.3	75.4	75.8	76.8	78.1	78.8	79.6	80.3	80	78.8	77

Wind speed

The graph below shows the average wind speed.

Honolulu average winspeed by month (km/h)

Honolulu average winspeed by month (mph)

Average wind speed in Honolulu (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	10	11	12	13	12	13	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.

Average relative humidity in Honolulu
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
74%	72%	70%	68%	68%	66%	67%	66%	68%	70%	72%	73%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Honolulu weather stats

Honolulu weather statistics
Hottest month:	August	30°C 86°F
Driest month:	June	107mm 4.2ins
Sunniest month:	September	9.6hrs
Coldest month:	January	25.7°C 78.3°F
Wettest month:	March	210mm 8.3ins
Warmest sea:	September	26.8°C 80.2°F

Map showing location of Honolulu (21.30694, -157.85833)