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Koenji

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Travel Info
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Travel Info
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Best time to visit Koenji

Data source:Meteostat
Update date:2025-09

Weather in Koenji throughout the year

  • Spring (March–May): Average 51–66°F, mild and comfortable, but with relatively high rainfall; check the weather forecast. Common activities: enjoying nature, viewing flowers (such as cherry blossoms and other spring flowers), visiting museums. Recommended clothing: light jacket, long-sleeved shirt, comfortable walking shoes.
  • Summer (June–August): Average 73–83°F, hot and humid, with relatively high rainfall and occasional typhoons. Common activities: relaxing by the river, indoor activities (such as shopping, watching movies), enjoying shaved ice and other summer treats. Recommended clothing: light and breathable clothing, hat, sunscreen.
  • Autumn (September–November): Average 57–78°F, pleasant and cool, with decreasing rainfall. Common activities: viewing autumn leaves, outdoor excursions, participating in local festivals. Recommended clothing: light jacket, long-sleeved shirt or sweater.
  • Winter (December–February): Average 42–46°F, cold and dry, with the least rainfall. Common activities: enjoying hot springs, indoor activities, visiting art museums, etc. Recommended clothing: warm coat, sweater, scarf, gloves, hat.

Weather in Koenji

Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June

Koenji weather by month

Month
Air temperature (°F)
Precipitation (mm)
January
42.6°F
25
February
44.2°F
63.7
March
52°F
148.3
April
61.2°F
143.7
May
66.7°F
186.3
June
73.6°F
253.7
July
82.9°F
156.7
August
83.5°F
206.3
September
78.6°F
217
October
66°F
146.7
November
57.6°F
75.7
December
46.9°F
25.8

7-day weather forecast for Koenji

10/27
Tuesday
Patchy rain nearby
70.8°F/62.5°F
10/28
Wednesday
Sunny
65.7°F/55.2°F
10/29
Thursday
Overcast
60.4°F/53.1°F
10/30
Friday
Light drizzle
58.6°F/54.7°F
10/31
Saturday
Sunny
72.7°F/55.2°F
11/1
Sunday
Cloudy
63.9°F/54.2°F
11/2
Monday
Overcast
66.5°F/59.4°F