Spring (March–May): 11.1–19.3°C on average. The climate gradually changes from cold to warm, with more rainfall and occasional showers. Common activities: Cherry blossom viewing (March–April), strolling in the countryside, and riverside walks. Recommended clothing: Light jacket, long-sleeved shirt, and rain gear.
Summer (June–August): 23.1–28.6°C on average. Hot and humid, with more rainfall, mostly afternoon thunderstorms. Common activities: Swimming, outdoor activities (pay attention to sun protection), and the Sumida River Fireworks Festival (if during the event period). Recommended clothing: Light and breathable clothing, sun hat, and sunscreen.
Autumn (September–November): 14.2–25.9°C on average. The climate is comfortable and pleasant, with gradually decreasing rainfall and abundant sunshine. Common activities: Maple leaf viewing (October–November), cycling, and outdoor excursions. Recommended clothing: Comfortable long-sleeved or short-sleeved shirts and a light jacket.
Winter (December–February): 5.9–8.3°C on average. Cold and dry, with less rainfall. Common activities: Hot spring trips, indoor activities, and viewing winter illuminations. Recommended clothing: Warm coat, scarf, hat, and gloves.
Kanda River climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June
Kanda River monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.9°C
25
February
6.8°C
63.7
March
11.1°C
148.3
April
16.2°C
143.7
May
19.3°C
186.3
June
23.1°C
253.7
July
28.3°C
156.7
August
28.6°C
206.3
September
25.9°C
217
October
18.9°C
146.7
November
14.2°C
75.7
December
8.3°C
25.8
Kanda River weather for the next seven days
11/14
Friday
Patchy rain nearby
18.4°C/13.5°C
11/15
Saturday
Patchy rain nearby
17.4°C/13.5°C
11/16
Sunday
Patchy rain nearby
16.4°C/13.1°C
11/17
Monday
Sunny
19.9°C/13.9°C
11/18
Tuesday
Patchy rain nearby
12.3°C/11.3°C
11/19
Wednesday
Patchy rain nearby
11.9°C/9.6°C
11/20
Thursday
Sunny
14°C/9.5°C
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