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Hachioji

Travel guide

Featured activity reviews in Hachioji

Best time to visit Hachioji

Data source:Meteostat
Last updated:2025-09

Weather in Hachioji throughout the year

  • Spring (March–May): 48–62°F 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): 70–81°F 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): 53–76°F 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): 37–42°F 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. 59.0°F / Annual rainfall: approx. 1617 mm / Summer humidity: 70%–80% / Rainiest month: June

Hachioji weather by month

Month
Temperature (°F)
Rainfall (mm)
January
37.9°F
33.3
February
40.3°F
67.8
March
48.2°F
149
April
57.9°F
164.3
May
63.1°F
183.3
June
70.7°F
270.1
July
79.9°F
139.3
August
81.5°F
140
September
76.6°F
214.6
October
62.8°F
121
November
53.8°F
87.9
December
42.8°F
46.9

7-day weather forecast for Hachioji

11/15
Sunday
Overcast
58.1°F/53.9°F
11/16
Monday
Sunny
63.8°F/53.2°F
11/17
Tuesday
Light drizzle
54.8°F/49.9°F
11/18
Wednesday
Cloudy
61.7°F/50.4°F
11/19
Thursday
Patchy rain nearby
65°F/50.7°F
11/20
Friday
Sunny
56.2°F/45.1°F
11/21
Saturday
Sunny
56.3°F/42.6°F