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.
Hachioji climatological average
Annual average temperature: approx. 59.0°F / Annual rainfall: approx. 1617 mm / Summer humidity: 70%–80% / Rainiest month: June
Hachioji monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (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
Hachioji weather for the next seven days
12/8
Monday
Sunny
59.1°F/42.3°F
12/9
Tuesday
Partly Cloudy
50.3°F/43.1°F
12/10
Wednesday
Sunny
54.6°F/40.8°F
12/11
Thursday
Partly Cloudy
55.5°F/43.4°F
12/12
Friday
Patchy rain nearby
47.2°F/36.5°F
12/13
Saturday
Partly Cloudy
44.5°F/35.7°F
12/14
Sunday
Patchy rain nearby
54.9°F/40.2°F
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