Okinawa, Japan
Onna
Onna is a small town in Okinawa, Japan, close to the sea. It has a population of about 10,852 (2021). The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.
Now27°C
Best timeJan–Feb · Oct
Population10,852
Local time19:14
26.50° N, 127.85° EElevation 14 mUTC+9 · Japan Standard Time
October: high / low26° / 24°
Rain this month176mm
Sea this month27°
Best timeJan–Feb · Oct
Best: Jan–Feb · Oct. Warmth, sunshine and dry days, month by month.
Onna at a glance
Sunrise · sunset06:33 · 17:5411 h 21 min of daylightThe moon tonightWaxing gibbous96% · Moonrise 17:00Next holiday3 NovemberCulture DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitJan–Feb · Oct
The months with the highest weather score
Warmest month29°C
Average high in August
Coolest month17°C
Average low in February
Wettest monthJune
284 mm of rain
Driest monthJanuary
123 mm of rain
Warmest sea29°C
August
Monuments nearby7+
1 of them World Heritage
Weather in Onna
Now and the next ten days. The 14 and 30-day outlooks are one click away.
27°C
Today hour by hourRain · wind 48 km/h · humidity 83%
Today24 Oct28°27°6.6 mm
Sun25 Oct28°27°1.3 mm
Mon26 Oct27°26°
Tue27 Oct26°25°1.5 mm
Wed28 Oct25°24°1 mm
Thu29 Oct26°24°0.5 mm
Fri30 Oct25°25°2.5 mm
Sat31 Oct26°24°0.5 mm
Sun1 Nov27°24°
Mon2 Nov26°25°3 mm
When to go to Onna
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 68 | 68 | 63 | 62 | 59 | 50 | 49 | 50 | 54 | 69 | 68 | 61 |
| High | 19° | 19° | 20° | 22° | 24° | 27° | 28° | 29° | 28° | 26° | 23° | 20° |
| Low | 17° | 17° | 18° | 20° | 23° | 25° | 27° | 27° | 26° | 24° | 22° | 18° |
| Rain (mm) | 123 | 142 | 182 | 190 | 260 | 284 | 172 | 272 | 260 | 176 | 136 | 126 |
| Wet days | 10 | 10 | 13 | 14 | 21 | 22 | 19 | 21 | 18 | 12 | 12 | 14 |
| Sea | 22° | 22° | 22° | 23° | 25° | 27° | 29° | 29° | 28° | 27° | 25° | 24° |
What's on in Onna
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Onna
UNESCO15 km
Zakimi CastleBuilt 1416
13 km
Agena Castle
14 km
Southeast Botanical Gardens
9.5 km
Yamada Castle
14 km
Shio River9 km
Nakadomari
Museum12 km
Ginoza Municipal Museum
Museum8.7 km
Onna Village MuseumMore museums: バーチャルミュージアム · 木のふれあい館 · 森のふしぎ館
Outdoors around Onna
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
ManzamōViewpoints
1.1 kmBios no OkaTheme parks
2.4 km沖縄県立石川青少年の家Camp sites
2.6 kmOkinawa Royal Golf ClubGolf courses
2.8 kmNakayukuiViewpoints
3 kmOkinawa Kokusai Golf ClubGolf courses
3.6 kmToilet BowlDive site
1.1 kmピースオーシャンDive site
6.3 kmBLUEMANDive site
6.5 kmPiranha DiversDive site
7.9 kmNature around Onna
Wildlife in October
The birds and mammals of Japan seen most this month, compared with the rest of their year.
The sky over Onna
Earthquakes around Onna
The last 30 days within 300 km, and the record since 1950.
Last 30 days5magnitude 2.5+ within 300 kmSince 1950233magnitude 5+ within 150 kmSignificant earthquakes on record10within 300 km
Strongest nearby since 1950
7.0Nanjō 70 km →2010 · 85 km
6.7Nanjō 90 km ↘1968 · 114 km
6.7Aguni 72 km ↖1963 · 121 km
6.5Yaese 93 km ↘1962 · 123 km
Tropical storms · Onna
TSTropical Storm Krovanh (2026)48 km · 65 km/hTSTropical Storm Francisco (2025)93 km · 65 km/hC5Typhoon Mawar (2023)42 km · 83 km/hTSTropical Storm Aere (2022)27 km · 74 km/hTSTropical Storm Gaemi (2018)76 km · 74 km/hC1Typhoon Saola (2017)87 km · 120 km/hTSTropical Storm Nakri (2014)96 km · 74 km/hC4Typhoon Danas (2013)95 km · 222 km/hC4Typhoon Bolaven (2012)19 km · 194 km/hC3Typhoon Conson (2004)76 km · 157 km/hC3Typhoon Choi-Wan (2003)55 km · 102 km/hC3Typhoon Sinlaku (2002)46 km · 176 km/hTSTropical Storm Rachel (1999)37 km · 65 km/h
Universities and research institutes
Eco-Evo-Devo of Coral Reef Fishes Life CycleResearch institute · founded 2024
Towns and villages around Onna
Each with its own page: weather, climate and the best time to visit.
Baba0.4 kmMinamionna1.5 kmSerakaki2.3 kmYakata2.8 kmAfuso4.2 kmTancha4.3 kmYaka4.9 kmIgei5.1 kmAtsuta5.5 kmFuchaku5.8 kmKisenbaru6.2 kmMaeganeku7 kmNakama7.6 kmKin8.2 kmNakadomari8.2 kmInbu8.4 kmNamisato9 kmMaeda10 kmYamada10 kmShioya11 kmKanna11 kmTerabaru11 kmSokei12 kmYokuda12 kmGinoza13 kmMadeira13 kmŌkubo13 kmMatsuda14 kmShōkawabaru14 km
Onna from above
Around Onna35 places to see, do and reach nearby
Kanna Fukuji RiverNature10 kmBlue CaveNature9.7 kmHija RiverNature18 kmTengan RiverNature14 kmChibichiri CaveNature16 kmHaneji Ōkawa RiverNature23 kmOkinawaNature10 kmHenza IslandNature19 kmMount YaeMountain17 kmMount KatsuuMountain17 kmMount AwaMountain17 kmMount OnnaMountain3.0 kmMount NagoMountain19 kmMount OppaMountain22 kmToilet BowlDive site1.1 kmDive siteDive site6.3 kmBLUEMANDive site6.5 kmZakimi CastleMonument15 kmAgena CastleMonument13 kmSoutheast Botanical GardensMonument14 kmYamada CastleMonument9.5 kmShio RiverMonument14 kmNakadomariMonument9.0 kmIha Shell MoundMonument8.9 kmGinoza Municipal MuseumMuseum12 kmOnna Village MuseumMuseum8.7 kmYuntanza MuseumMuseum15 kmOnna · ferry portFerry port17 kmOnna · ferry portFerry port19 kmUrumaPlace13 kmChatanPlace22 kmYomitanPlace15 kmKitanakagusukuPlace22 kmMotobuPlace19 kmGushikawaPlace15 km
Getting to Onna
Naha International AirportOKA
40 kmYoron AirportRNJ
82 kmKumejima AirportUEO
114 km本部港伊江港
17 km渡久地港Ferry port
19 kmPlaces near Onna
Places with a climate like Onna
Matched month by month on temperature, rain and sunshine.
Frequently asked questions
When is the best time to visit Onna?
Based on 30-year climate normals, January, February and October offer the best balance of comfortable temperatures, low rainfall and sunshine in Onna.
What is the hottest month in Onna?
August is the warmest month, with average highs of 29°C and lows of 27°C.
What is the coldest month in Onna?
February is the coldest month, with average highs of 19°C and lows of 17°C.
What is the rainiest month in Onna?
June is the wettest month with about 284 mm of precipitation on 22 wet days.
How warm is the sea near Onna?
The sea is warmest in August at about 29°C and coolest in February at about 22°C.