Okinawa (Naha) weather in October
October in Okinawa: hot, rainy, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Okinawa · #626 of 1413 destinations to visit in October · comfort 78/100 (tier B)
- Days
- 28°C
- Nights
- 23°C
- Wet days
- 13
- Sun
- 9 h
- Humidity
- 74%
- Daylight
- 12 h

Traveller notes on Okinawa in October
Okinawa's forum calls October the real sweet spot — typhoon season effectively over, the sea still warm enough for diving and snorkeling through the whole month, and noticeably fewer crowds than summer. Regulars still flag early October as worth watching the forecast for, since the season doesn't end on a fixed date.
Other months in Okinawa
Regulars are specific that although this month falls squarely within the official rainy season, the reality here differs sharply from mainland Japan's version - it rarely rains all day, with sudden hard showers usually lasting only 30 to 60 minutes before clearing to light rain or sun again. Our row backs that warm, genuinely wet read, 26.5C over 21.1C nights, with a substantial 250.8mm of rain across 14.1 days and humidity at 83 percent. Regulars are consistent the exact start of the rainy season shifts year to year, sometimes arriving as early as late April, other years holding off until early June, so checking closer to the trip beats trusting a fixed date. Beach plans stay genuinely workable with flexibility built in around the showers. The sea sits at a warm 24.4C. The record: 9 hours of sun, a 28.2 kph wind and AQI 61.
November is the month after the season here. Typhoons run June to October and are rare by now, the crowds have thinned, and the beaches are officially closed - which regulars are quick to clarify means the lifeguards have gone home, not that the water is roped off. Swimming is still fine on the right day: the sea column reads 25.4C against air of 24.7C over 19C nights. Two things temper it. The wind averages 34.3 kph as the northeast monsoon sets in, so the sheltered side of an island is worth choosing. And it is not a dry month - 125.2mm across 11.6 days, with only 7.3 hours of sun. The record: humidity 70 percent and AQI 47.
September is the peak of the typhoon season here - the elevated risk runs from about mid-July - and regulars are clear that whether one lands on your week is luck rather than planning. What they can tell you is the shape: a typhoon means hard wind and rain for roughly two days, and is often followed by perfectly clear weather. The useful advice is about booking, not about packing: keep the flights flexible, because cancellations are refunded or rebooked, and do not arrange an onward flight home for the day after you leave the island. October carries better odds. Our row: 30.6C over 25C, 192.3mm across 17.4 days, a 29.9 kph wind and a 29.9C sea.
August is the peak of Okinawa's typhoon season, and the forum treats it as a gamble rather than a hazard. The arithmetic they give: around thirty typhoons form over the north-west Pacific in a year and seven or eight of them pass over the prefecture, most in the July-to-October stretch. You get three to five days of warning once one forms, and everything here is built for them, with residents keeping a couple of days of food in - but a bad one can sit on the islands for the better part of a week, and one recent storm closed Naha airport for five days. The rest of the month is hot, humid and wet: our row gives 185.9mm across 14.8 days at 82 percent humidity. The record: 31.4C days that feel like 37C, 26C nights and a 28.7C sea.
Add your own note from Okinawa's card on the map.
Okinawa climate normals — October
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Okinawa in October
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyNaha Great Tug-of-War, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Okinawa's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherOkinawa's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Okinawa in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Beach season
1 Apr – 31 Oct · usuallySea warm enoughThe island beaches hold umi-biraki opening ceremonies at the start of April and pull the lifeguards and the jellyfish nets at the end of October. Outside that the water is swimmable but the managed beaches are shut.
- Hazard
Typhoon season
1 Jul – 15 Oct · usuallyClosuresOkinawa takes more direct hits than anywhere else in Japan. A close pass shuts the airport, the ferries and most of the shops for a day or two, and August and September are when to leave slack in a plan. Source ↗
- Festival
Naha Great Tug-of-War
10–12 OctMajor festivalCrowdedClosuresEast against west on a two-hundred-metre rope laid across Route 58, preceded by a costume parade down Kokusai-dori. It closes Naha's main road for an afternoon and draws a quarter of a million people. Source ↗
- Festival
Shurijo Castle Festival
28 Oct – 8 Nov · usuallyMajor festivalA Ryukyu court procession in period dress down Kokusai-dori and ceremonies at the castle at the turn of October into November, while the main hall is still being rebuilt after the 2019 fire. Source ↗
Where is Okinawa?
Okinawa in October — FAQ
- Is October a good time to visit Okinawa?
- October in Okinawa: hot, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Okinawa on SeasonMap's comfort score (78/100).
- What is the weather like in Okinawa in October?
- In October, Okinawa averages a daily high of 28.1°C and a low of 22.5°C, with about 143.9 mm of rain over roughly 12.5 rainy days.
- What is the air quality in Okinawa in October?
- Okinawa has a mean US Air Quality Index of about 49 in October.