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Sumida River
Top 10 Must-Do Experiences and Attractions in Sumida River
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Sumida River Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Sumida River year round climate
- Spring (March–May): Average 11.1–19.3°C, the climate gradually changes from cold to warm, including the cherry blossom season. March has more rainfall, so be prepared for rain. Common activities: Cherry blossom viewing, Sumida River cruise. Recommended clothing: Light jacket, comfortable long-sleeved or short-sleeved shirts.
- Summer (June–August): Average 23.1–28.6°C, hot and humid, with more rainfall, especially in June. Common activities: Sumida River Fireworks Festival (if held), Senso-ji Temple visit, enjoying outdoor activities. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
- Autumn (September–November): Average 14.2–25.9°C, the climate is comfortable and pleasant, changing from hot to cool. September has more rainfall. Common activities: Autumn leaves viewing, Sumida River walk, tasting autumnal cuisine. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
- Winter (December–February): Average 5.9–8.3°C, cold and dry, with less rainfall. Common activities: Senso-ji Temple visit, indoor museum visits. Recommended clothing: Warm coat, scarf, hat, gloves.
Sumida River climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June
Sumida 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
Sumida River weather for the next seven days
9/21
Monday
Light rain shower
23.8°C/21.5°C
9/22
Tuesday
Patchy rain nearby
29.9°C/23.3°C
9/23
Wednesday
Patchy rain nearby
26.2°C/21.7°C
9/24
Thursday
Sunny
29°C/22.1°C
9/25
Friday
Overcast
27.5°C/22.4°C
9/26
Saturday
Overcast
23.5°C/21.2°C
9/27
Sunday
Light rain shower
22.6°C/19.8°C
