Climateby Month

Honolulu, HI weather in October

NOAA 1991-2020 normals and daily records · Honolulu all year

In October, Honolulu sees highs around 87°F and lows around 74°F: warm and humid, with some rain. Rain falls on about 8 days.

Normal high
87°F
Normal low
74°F
Wet days
8
1.5 in total
Muggy days
27
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high88°F86°F
Normal low75°F73°F
Chance of a wet day24%27%
Sunrise / sunset6:22 am / 6:19 pm6:33 am / 5:56 pm
Daylight11.9 h11.4 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Hawaii time (no daylight saving)).

A typical October day

  1. 6 am75°Fdew point 68°F
  2. 9 am81°Fdew point 68°F
  3. Noon85°Fdew point 68°F
  4. 3 pm85°Fdew point 67°F
  5. 6 pm80°Fdew point 68°F
  6. 9 pm78°Fdew point 68°F

NOAA hourly normals (local standard time) from Honolulu Intl Airport (5 mi away); average wind 10 mph; clear or few clouds in 34% of daytime hours, mostly cloudy or overcast in 25%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph16 of 31
  • Hot dayshigh 90°F or more3 of 31
  • Muggy daysdaily mean dew point 65°F or more27 of 31
  • Wet daysat least 0.01 in of rain or melted snow8 of 31
  • Notable rainat least 0.10 in3 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain in October

Normal precipitation is 1.5 in; a dry October brings about 0.3 in and a wet one about 2.4 in (25th and 75th percentiles). About 1 day brings half an inch or more.

How October varies from year to year

  • Warmest October, 1991-20201995: average high 90°F
  • Coolest October2005: average high 85°F
  • Wettest October2014: 5.5 in
  • Driest October1996: 0.07 in
  • Highest reading93°F (October 6, 1993)
  • Lowest reading61°F (October 27, 1993)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

October compared with September and November

SeptemberOctoberNovember
Normal high88°F87°F84°F
Normal low75°F74°F72°F
Wet days789
Comfortable days000
Daylight12.3 h11.7 h11.1 h

Highs change by -1°F from September and -3°F into November.

Nearby alternatives in October

How Honolulu ranks in October

  • Normal high18th warmest of 378 cities; 2nd of 7 in Hawaii
  • Wet days193rd driest of 378
  • Comfortable days339th most of 340

What to pack for Honolulu in October

  • Light, breathable clothing – highs near 87°F and about 27 muggy days
  • A swimsuit – about 16 beach days

Heating and cooling

October has 0 heating degree days and 477 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.

Questions

How hot is Honolulu in October?

The normal high is 87°F and the normal low is 74°F. From 1991 to 2020 the hottest October reading was 93°F (October 6, 1993).

Does it rain a lot in Honolulu in October?

About 8 days in October have at least 0.01 in of precipitation, and the normal total is 1.5 in. The wettest October in 1991-2020 was in 2014 (5.5 in); the driest was in 1996 (0.07 in).

Is October a good time to visit Honolulu?

October ranks 11th of 12 months on our comfort score for Honolulu (47 out of 100). It has almost no comfortable days and about 3 days at 90°F or hotter. The best months are February, March and June.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 4.7 mi WNW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Beretania Pump Stn 705 (USC00510211), 0.3 mi E of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Honolulu International Airport (911820-22521), 5.3 mi WNW of the city center, 6 ft . Hourly observations, 1991-2020.