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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

6/20
Saturday
Heavy rain
22.9°C/21.3°C
6/21
Sunday
Moderate rain
27.9°C/21.1°C
6/22
Monday
Patchy rain nearby
29.6°C/21.7°C
6/23
Tuesday
Sunny
28.3°C/17.7°C
6/24
Wednesday
Patchy rain nearby
25.3°C/16.4°C
6/25
Thursday
Patchy rain nearby
25.3°C/18.9°C
6/26
Friday
Sunny
29.2°C/20.1°C

Sumida River Frequently Asked Questions and Useful Information for Travel

Why is the Sumida River famous?

During the Edo period, the Sumida River was a vital artery for water transportation and a popular spot for recreation like boat rides and fireworks. It has also been a prominent theme in traditional Japanese art, songs, and literature.

Can you walk along the Sumida River?

Yes, you can walk along parts of the Sumida River. For instance, a pedestrian bridge connects Asakusa and TOKYO SKYTREE TOWN, offering a direct path across the river and scenic views, especially during cherry blossom season.

Is the Sumida River clean?

Despite flowing through a busy urban area, the Sumida River is notably clean and free from significant pollution, garbage, or plastic waste, maintaining a pleasant environment.

Where does the Sumida River start and end?

The Sumida River originates by branching off from the Arakawa River near Iwabuchi in Kita-ku, Tokyo, and it flows into Tokyo Bay.

What are popular activities on the Sumida River?

Popular activities on the Sumida River include scenic boat cruises, enjoying the famous Tokyo Sumida River Fireworks festival during summer, and admiring the riverside scenery with landmarks like the Tokyo Skytree.