Honolulu in October
In October, Honolulu averages 30°C (86°F) during the day and 22°C (72°F) at night, with around 9 days of rain (55 mm total).
Off-peakConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
It's peak hurricane season in Honolulu during October. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How October compares to the rest of the year in Honolulu
October is in the middle of the year for warmth in Honolulu (5th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 1°C above the annual average (29°C). October runs 1°C cooler than September (31°C) and cools 1°C in November (29°C).
October sunrise & sunset in Honolulu
Times shown for Honolulu local time (Pacific/Honolulu), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Honolulu — October
Golden-hour and blue-hour windows for the 15th of October, in Honolulu's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Honolulu in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Off-peak) and Honolulu's popularity.
Crowds & pricing — October in Honolulu
This is off-peak for Honolulu — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — October in Honolulu
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Honolulu — October
Across the year Honolulu's sea swings from 24.4°C (March) to 27°C (September) — October sits at 27°C.
Honolulu in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 27°C / 81°F | 18°C / 64°F | 75 mm | 9 | — |
| February | 27°C / 81°F | 19°C / 66°F | 55 mm | 8 | — |
| March | 27°C / 81°F | 19°C / 66°F | 45 mm | 8 | — |
| April | 28°C / 82°F | 20°C / 68°F | 20 mm | 8 | — |
| May | 29°C / 84°F | 21°C / 70°F | 20 mm | 6 | — |
| June | 30°C / 86°F | 22°C / 72°F | 10 mm | 7 | — |
| July | 31°C / 88°F | 23°C / 73°F | 10 mm | 8 | — |
| August | 31°C / 88°F | 23°C / 73°F | 15 mm | 8 | — |
| September | 31°C / 88°F | 23°C / 73°F | 15 mm | 8 | — |
| October | 30°C / 86°F | 22°C / 72°F | 55 mm | 9 | — |
| November | 29°C / 84°F | 21°C / 70°F | 75 mm | 10 | — |
| December | 28°C / 82°F | 20°C / 68°F | 85 mm | 10 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Honolulu in October →
Frequently asked questions
How hot is Honolulu in October?
In October, Honolulu averages a high of 30°C (86°F) and a low of 22°C (72°F) — generally hot.
Does it rain a lot in Honolulu in October?
October sees occasional rain in Honolulu, with about 9 rainy days on average.
Is October a good time to visit Honolulu?
October is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Honolulu in October?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full October packing list for Honolulu for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.