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Hachioji

Travel guide

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Best time to visit Hachioji

Data source：Meteostat
Last updated：2025-09

Weather in Hachioji throughout the year

  • Spring (March–May): 9–17°C on average, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing (such as cherry blossoms and azaleas). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): 21.5–27.5°C on average, hot and humid, with the most rainfall in June and less rainfall in July and August. Common activities: Outdoor swimming, mountain climbing (note: heatstroke prevention is important). Recommended clothing: Light and breathable clothing, hat, parasol.
  • Autumn (September–November): 12.1–24.8°C on average, comfortable and pleasant climate, with more rainfall in September. Common activities: Maple leaf viewing, hiking in the suburbs. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): 3.3–6°C on average, cold and dry, with less rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Thick jacket, sweater, scarf, gloves.

Weather in Hachioji

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1617 mm / Summer humidity: 70%–80% / Rainiest month: June

Hachioji weather by month

Month
Temperature (°C)
Rainfall (mm)
January
3.3°C
33.3
February
4.6°C
67.8
March
9°C
149
April
14.4°C
164.3
May
17.3°C
183.3
June
21.5°C
270.1
July
26.6°C
139.3
August
27.5°C
140
September
24.8°C
214.6
October
17.1°C
121
November
12.1°C
87.9
December
6°C
46.9

7-day weather forecast for Hachioji

10/30
Friday
Overcast
19.4°C/9.2°C
10/31
Saturday
Sunny
21.1°C/10.4°C
11/1
Sunday
Sunny
18.9°C/8.6°C
11/2
Monday
Smoky haze
16°C/9.6°C
11/3
Tuesday
Patchy rain nearby
18.7°C/9.1°C
11/4
Wednesday
Patchy rain nearby
13.7°C/11.8°C
11/5
Thursday
Light rain
16.1°C/11.8°C

Hachioji travel FAQs and useful info

What does the name Hachioji mean?

The name Hachioji, written as 八王子 in Japanese, translates to 'Eight Princes'. This name originates from the local Hachioji-jinja shrine, where a monk is said to have enshrined Gozutenno along with eight other princes, referring to them as 'Hachioji Gongen'. This shrine is considered the historical root of the city's name.

What is Hachioji known for?

Hachioji is a vibrant city known for its historical significance, natural beauty, and diverse attractions. It's home to Mount Takao, a popular destination for hiking and enjoying nature. The city also boasts historical sites and offers a glimpse into traditional Japanese culture, making it a compelling destination for independent travel.

What is the population of Hachioji, Tokyo?

Hachioji is a significant urban center with a population of approximately 580,000 residents.

Where is Hachioji located?

Hachioji is a city located to the west of the central 23 wards of Tokyo, Japan.

What are some natural attractions in Hachioji?

One of the most prominent natural attractions in Hachioji is Mount Takao, a beautiful mountain offering scenic hiking trails and stunning views. The area around Mount Takao provides an excellent opportunity to experience nature's tranquility close to the city.