Honolulu Weather in October

In Honolulu, October brings high daytime temperatures around 28°C (82°F), with nights cooling to 24°C (75°F). Some rainfall is to be expected.

Rainfall in Honolulu in October

You can typically expect 10 days of rain this month, averaging around 34 mm (1.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Honolulu in October

Weather in Honolulu is at its perfect in October. Highs reach 28°C (82°F), while nights settle around 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Honolulu in October

The city usually sees around 244 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Honolulu in October

Wind speeds average 4 m/s (8 knots) during October. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in October

With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Honolulu's climate page.

Honolulu Temperature in October

Min Temperature 24°C (75°F)  

Max Temperature 28°C (82°F)  

Water Temperature 27°C (81°F)  

Chance of Rain 33%  

Precipitation 34 mm (1.3 in)  

Rainy days 10 days  

Humidity 68%  

Windspeed 4 m/s (8 knots)  

Sunshine 244 hours  

Percentage Sunshine 68%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Honolulu typically stay consistent throughout October, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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Historical weather for Honolulu in October

Browse day-by-day weather records for Honolulu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Honolulu historical weather extremes in October

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Honolulu.

• On October 6, 1984, temperatures climbed to 34°C (93°F), marking the warmest October day on record.
• The lowest daytime temperature in October was 23°C (73°F), recorded on October 31, 1978.
• The coldest night in October in Honolulu was on October 24, 2017, with a minimum of 14°C (57°F).

What to Wear in Honolulu in October

Warm but pleasant conditions in Honolulu in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Honolulu in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Honolulu's climate page.

More climate data for Honolulu

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Honolulu climate overview or explore weather in the United States of America.