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Hikers photographing snow-capped Mount Fuji from a forested ridge on Mount Takao

Photo: Gazing at Mount Fuji from Mount Takao, Minami-Asakawamachi, Hachiōji, Tokyo, Japan, 2024 May.jpg by Ximonic (Simo Räsänen) (CC BY-SA 4.0, cropped), via Wikimedia Commons.

Mount Takao weather by month: temperature, rain and what to wear

Hachioji's average high runs from 9.3°C (49°F) in January to 31.4°C (89°F) in August (JMA, 1991–2020). The wettest month is September (264.4 mm) and the driest is February (46.1 mm).

When to go to Mount Takao, by the numbers

  • Months with average highs between 15°C and 25°C and fewer than 10 wet days: April and November.
  • Fewest wet days: January (4.5 days).
  • Quietest hotels in 2025 (Tokyo): January (71.1%), June (73.2%) and July (73.5%).
  • Busiest hotels in 2025 (Tokyo): October (80.6%), November (79.8%) and April (79.4%).

What to wear on Mount Takao, month by month

Hachioji: our clothing level for each month (from the JMA's averages)
MonthLevelAverage highWet days
JanuaryCold9.3°C4.5 days
FebruaryChilly10.3°C4.9 days
MarchChilly13.7°C9.2 days
AprilCool19.1°C9.2 days
MayMild23.6°C10.0 days
JuneWarm26.0°C12.7 days
JulyHot30.1°C12.5 days
AugustHot31.4°C10.4 days
SeptemberWarm27.1°C12.2 days
OctoberMild21.5°C10.5 days
NovemberCool16.4°C7.2 days
DecemberChilly11.7°C4.9 days

How busy Mount Takao is, month by month

How full hotels across Tokyo were, month by month in 2025 (%)

Average room occupancy for all hotels and inns (Japan Tourism Agency).

  1. Jan71.1%
  2. Feb75.4%
  3. Mar76.3%
  4. Apr79.4%
  5. May77.5%
  6. Jun73.2%
  7. Jul73.5%
  8. Aug74.5%
  9. Sep76.5%
  10. Oct80.6%
  11. Nov79.8%
  12. Dec78.2%

Frequently asked questions

When is the best time to visit Mount Takao?

Months with average highs between 15°C and 25°C and fewer than 10 wet days: April and November. Fewest wet days: January (4.5 days).

What is the hottest month on Mount Takao?

August has the highest average high, 31.4°C (89°F). January has the lowest, 9.3°C (49°F) (JMA, 1991–2020).

What is the rainiest month on Mount Takao?

September has the most precipitation (264.4 mm), and June has the most wet days (12.7 days) (JMA, 1991–2020).

Mount Takao weather month by month

Averages for 1991–2020 at the JMA's Hachioji station (123 m above sea level). Months with their own page are linked; the others follow.

Hachioji by month: averages for 1991–2020 (JMA)
MonthHighLowPrecipitationWet daysSunshine
January9.3°C−1.8°C54.1 mm4.5 days201 hours
February10.3°C−0.9°C46.1 mm4.9 days180 hours
March13.7°C2.7°C102.9 mm9.2 days175 hours
April19.1°C7.7°C114.1 mm9.2 days179 hours
May23.6°C12.9°C124.7 mm10.0 days176 hours
June26.0°C17.4°C172.0 mm12.7 days120 hours
July30.1°C21.5°C188.3 mm12.5 days145 hours
August31.4°C22.4°C212.5 mm10.4 days177 hours
September27.1°C18.8°C264.4 mm12.2 days128 hours
October21.5°C13.0°C230.8 mm10.5 days132 hours
November16.4°C6.4°C80.1 mm7.2 days157 hours
December11.7°C0.8°C53.1 mm4.9 days184 hours
Average high on Mount Takao, month by month (°C)
  1. Jan9.3°C
  2. Feb10.3°C
  3. Mar13.7°C
  4. Apr19.1°C
  5. May23.6°C
  6. Jun26.0°C
  7. Jul30.1°C
  8. Aug31.4°C
  9. Sep27.1°C
  10. Oct21.5°C
  11. Nov16.4°C
  12. Dec11.7°C

Events on Mount Takao through the year

Events on Mount Takao: dates from each organizer's official page
EventMonthWhen
First Sunrise Festival (Geiko-sai)迎光祭（初日の出）Jan1 January Official page
New Year Grand Goma Fire Ritual新年初詣大護摩供JanNew Year period (shown as 正月 on the temple's annual calendar) Official page
Setsubun Ceremony節分会Feb3 February Official page
Hatsu-uma Fukutoku Inari Festival高尾山初午福徳稲荷祭FebEarly February (1 February in 2026) Official page
Nehan-e (Nirvana Commemoration)ねはん会FebMid-February (15 February in 2026) Official page
First Kinoe-ne Day (Takaosan Daikokuten Festival)初甲子（高尾山大黒天祭）FebMid-to-late February (19 February in 2026) Official page
Takao Baigo Plum Festival高尾梅郷梅まつりMarMid-March, on a Saturday and Sunday. 14–15 March 2026. Official page
Fire-walking Festival火渡り祭Mar8 March Official page
Flower Festival (Buddha's Birthday)花まつりApr8 April Official page
Waterfall Opening (Taki-biraki)滝びらきApr1 April (2026 calendar) Official page
Spring Grand Festival (Chigo Renko procession)春季大祭（稚児練行）AprMid-to-late April (19 April in 2026) Official page
Hachioji Ginkgo Festival八王子いちょう祭りNovMid-November, on a Saturday and Sunday Official page
Autumn leaves season on Mount Takao高尾山の紅葉Nov and DecUsually at their peak from mid-November to early December Official page
Diamond Fuji from Mount Takao高尾山 ダイヤモンド富士DecMid to late December (17 to 28 December in 2025) Official page
Nosatsu Kuyo Saito Dai-goma Ceremony納札供養柴燈大護摩供Dec19 December Official page
Jodo-e (Enlightenment Day of the Buddha)成道会Dec8 December (Tuesday in 2026) Official page
Star Festival (Winter Solstice)星まつり 冬至Dec22 December (Tuesday in 2026) Official page

Related items

Mount Takao in JanuaryColdA winter coat over layers, and a scarf.High9.3°CLow−1.8°CPrecipitation54.1 mmWet days4.5 daysMount Takao in FebruaryChillyA warm jacket or light coat over a sweater.High10.3°CLow−0.9°CPrecipitation46.1 mmWet days4.9 daysMount Takao in MarchChillyA warm jacket or light coat over a sweater.High13.7°CLow2.7°CPrecipitation102.9 mmWet days9.2 daysMount Takao in AprilCoolLong sleeves with a light jacket or sweater.High19.1°CLow7.7°CPrecipitation114.1 mmWet days9.2 days

Back to Japan by month

Read more

Sources for this page

  1. Normals for 1991–2020: Hachioji (八王子), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
  2. Normals for 1991–2020: Hachioji (八王子), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
  3. Overnight Travel Statistics Survey, 2025 final figures (宿泊旅行統計調査 2025年 年の確定値)Japan Tourism Agency
  4. First Sunrise Festival (Geiko-sai) (迎光祭（初日の出）)Takaosan Yakuo-in
  5. Takao Baigo Plum Festival (高尾梅郷梅まつり)Hachioji City
  6. Hachioji Ginkgo Festival (八王子いちょう祭り)Hachioji City
  7. Autumn leaves season on Mount Takao (高尾山の紅葉)Hachioji Visitors & Convention Association
  8. Diamond Fuji from Mount Takao (高尾山 ダイヤモンド富士)Takao Tozan Electric Railway (Keio Group)