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Japan in August: weather, what to wear and what's on

In August, average highs in our 14 places with temperature records run from 26.4°C (80°F) in Sapporo to 33.7°C (93°F) in Kyoto (JMA, 1991–2020). Wet days (1 mm or more of rain or snow) range from 7.2 days in Osaka to 16.9 days in Nikko.

Updated

33.7°CKyoto
26.4°CSapporo
3.43Mvisitors (2025)

15 places in August

Averages for 1991–2020 at the JMA station in or nearest each place. Hakone has rain records only.

15 places in August: averages for 1991–2020 (JMA)
PlaceHighLowWet days
Tokyo31.3°C23.5°C7.9 days
Kyoto33.7°C24.7°C8.3 days
Osaka33.7°C25.8°C7.2 days
Sapporo26.4°C19.1°C9.5 days
OkinawaNaha31.8°C26.8°C12.3 days
Hakonerain only——13.1 days
Fukuoka32.5°C25.4°C9.8 days
Nagoya33.2°C24.7°C8.5 days
Mount FujiKawaguchiko28.1°C18.5°C10.1 days
Hiroshima32.8°C25.1°C7.6 days
Kanazawa31.3°C24.1°C9.3 days
Nara33.4°C24.1°C8.0 days
NikkoImaichi28.0°C19.8°C16.9 days
Takayama31.0°C20.1°C11.6 days
Shirakawa-goShirakawa29.6°C19.2°C11.4 days
Green and gold fireworks bursting at night over a town, with its lights reflected on the water
Photo: Fireworks of Japan Rhine summer festival from Daishoji - 1.jpg by KKPCW (CC BY-SA 4.0, cropped), via Wikimedia Commons.

What to wear in August

How we choose: from the JMA's average high and low for August, by our own rules.

Our clothing level for each place in August (from the JMA's averages)
LevelAverage highWhat to wearPlaces
Hot30°C or moreShort sleeves and light, breathable clothes. A light layer for cold air-conditioning on trains and in shops.Tokyo 31.3°C, Kyoto 33.7°C, Osaka 33.7°C, Okinawa 31.8°C, Fukuoka 32.5°C, Nagoya 33.2°C, Hiroshima 32.8°C, Kanazawa 31.3°C, Nara 33.4°C and Takayama 31.0°C
Warm25 to 30°CShort sleeves or thin long sleeves, with a light layer for air-conditioning and evenings.Sapporo 26.4°C, Mount Fuji 28.1°C, Nikko 28.0°C and Shirakawa-go 29.6°C

Rainy season and typhoons in August

Typhoons in August: on average 5.7 form, 3.3 come within 300 km of Japan and 0.9 make landfall (JMA, 1991–2020).

Holidays, visitors and crowds in August

National holidays in August 2027:

  • Wed 11 August — Mountain Day

3,428,406 visitors arrived in Japan in August 2025. The most came from China (1,018,747), South Korea (660,917) and Taiwan (620,753) (JNTO).

Visitor arrivals to Japan in 2025, month by month (millions)

Jan3.78
Feb3.26
Mar3.50
Apr3.91
May3.69
Jun3.38
Jul3.44
Aug3.43
Sep3.27
Oct3.90
Nov3.52
Dec3.62

How full hotels were in August 2025, by prefecture (%)

Average room occupancy for all hotels and inns. Japan as a whole: 65.7%.

Osaka Prefecture80.7%
Tokyo74.5%
Fukuoka Prefecture71.2%
Aichi Prefecture70.0%
Kanagawa Prefecture69.6%
Hokkaido69.5%
Hiroshima Prefecture67.8%
Okinawa Prefecture66.4%
Tochigi Prefecture64.2%
Kyoto Prefecture63.9%
Gifu Prefecture62.9%
Yamanashi Prefecture60.5%
Ishikawa Prefecture59.8%
Nara Prefecture51.3%

What's on in August

Events in August in our 15 places: dates from each organizer's official page
EventPlaceWhen
Tokyo Koenji Awa Odori東京高円寺阿波おどりTokyoLate August: 29 and 30 August in 2026 Official page
Gozan Okuribi (Daimonji Bonfires)京都五山送り火Kyoto16 August every year, lit from 20:00 Official page
Special Night Viewing at Kiyomizu-dera清水寺 夜間特別拝観KyotoThree periods a year. In 2026: spring 27 March to 5 April, summer 14 to 16 August, autumn 21 to 30 November. Official page
Sumiyoshi Matsuri (Summer Festival)住吉祭（夏祭）OsakaLate July to 1 August. In 2026 the main rites were on 30 and 31 July and 1 August. Official page
Sapporo Summer Festival (Odori Beer Garden)さっぽろ夏まつりSapporoLate July to mid-August (23 July to 18 August in 2026) Official page
Hokkaido Marathon北海道マラソンSapporoLate August (30 August in 2026) Official page
Naha Seinen-sai (Naha Youth Festival)なは青年祭OkinawaEarly August (2 August in 2026) Official page
Eisa Festival in Chatanエイサーフェスティバルin北谷OkinawaEarly to mid-August (originally 9 August in 2026; postponed to 16 August because of a typhoon) Official page
Okinawan Obon (Kyubon) and Eisa processions沖縄の旧盆とエイサー（道ジュネー）OkinawaThe 13th to 15th day of the 7th month of the old lunar calendar (25 to 27 August in 2026) Official page
Ashinoko Summer Festival Week (1269 Ashinoko Natsu-matsuri Week)1269芦ノ湖夏まつりウィークHakoneSix evenings from 31 July to 5 August in 2026 Official page
Torii-yaki Festival and Fireworks鳥居焼まつり花火大会Hakone5 August in 2026, the last night of the Ashinoko Summer Festival Week Official page
Hakone Gora Daimonji-yaki箱根強羅温泉 大文字焼Hakone16 August in 2026 (the Obon send-off fire). Postponed to 17 August in bad weather. Official page
Hakata Summer Festivalはかた夏まつりFukuokaEarly to mid-August, for 13 days (4 to 16 August in 2026) Official page
Obon Mitama Matsuri, Fukuoka Gokoku Shrineお盆みたままつり（福岡縣護国神社）FukuokaMid-August, for four days (13 to 16 August in 2026) Official page
Nagoya Castle Summer Festival名古屋城夏まつりNagoyaEarly to mid August (8 to 16 August in 2026) Official page
Mt Fuji climbing season, Yoshida Trail (Yamanashi side)富士山 吉田ルート 登山シーズンMount Fuji1 July to 10 September; the start may be delayed by weather or remaining snow Official page
Kawaguchiko Lake Festival (Kojosai) fireworks河口湖湖上祭Mount Fuji5 August every year Official page
Yoshida Fire Festival (Yoshida no Himatsuri) and Susuki Festival吉田の火祭り・すすき祭りMount Fuji26 and 27 August every year Official page
Rainbow Flower Festival (Niji no Hana Matsuri)虹の花まつりMount FujiLate August to mid-October (29 August to 12 October in 2026, listed as planned) Official page
Peace Memorial Ceremony平和記念式典HiroshimaEvery year on 6 August, 8:00 to 8:50 Official page
Peace Message Lantern Floatingピースメッセージとうろう流しHiroshimaEvery year on 6 August, in the evening Official page
Kanazawa Yume Kaido金沢ゆめ街道KanazawaEarly August, for two days (8 and 9 August in 2026) Official page
Free entry to Kenroku-en during Obonお盆の兼六園無料開園Kanazawa14 to 16 August Official page
Ono Minato Shrine Summer Grand Festival (Kanaiwa Summer Festival)大野湊神社夏季大祭（金石夏まつり）KanazawaThree days, Friday to Sunday, ending on the first Sunday of August (31 July to 2 August in 2026) Official page
Nara Tokaeなら燈花会NaraTen evenings in early to mid August: 5 to 14 August in 2026 Official page
Chugen Mantoro at Kasuga Taisha春日大社 中元万燈籠Nara14 and 15 August every year; lanterns are lit around 19:00 and the shrine closes around 21:30 Official page
Mt Nantai Climbing Festival (Nantai-san Tohai Taisai)男体山登拝大祭Nikko31 July to 7 August every year Official page
Nikko Fireworks Festival日光花火大会NikkoAugust (Saturday 8 August in 2026), 19:00 to 20:00 Official page
Hida Takayama Tezutsu (handheld) Fireworks飛騨高山手筒花火打上げTakayama9 August every year, 19:30 to 20:30 Official page
Sakurayama Wind Bell Festival桜山風鈴まつりTakayamaMid-July to late August (18 July to 29 August in 2026) Official page

Other months

Frequently asked questions

What is the weather like in Japan in August?

In August, average highs in our 14 places with temperature records run from 26.4°C (80°F) in Sapporo to 33.7°C (93°F) in Kyoto (JMA, 1991–2020). Wet days (1 mm or more of rain or snow) range from 7.2 days in Osaka to 16.9 days in Nikko.

Where is warmest in Japan in August?

Of our 14 places with temperature records, Kyoto is warmest with an average high of 33.7°C (93°F). Next come Osaka at 33.7°C and Nara at 33.4°C (JMA, 1991–2020).

Is August a busy month to visit Japan?

3,428,406 visitors arrived in August 2025, the 9th highest month of the year (JNTO). Hotels across Japan were 65.7% full (2nd of 12 months, Japan Tourism Agency).

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Compiled by Japan Japan !! · Updated October 2, 2026