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Tamagawa River

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Tamagawa River Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Tamagawa River year round climate

  • Spring (March–May): 9–17°C on average, mild climate but with relatively high rainfall, especially in April. Common activities: picnics, flower viewing. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): 21–27°C on average, hot and humid, with the most rainfall in June. Take precautions against heatstroke. Common activities: water activities, outdoor excursions (avoid rainy days). Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): 12–25°C on average, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: viewing autumn leaves, hiking. Recommended clothing: comfortable long-sleeved shirt, light jacket.
  • Winter (December–February): 3–9°C on average, cold and dry, with less rainfall. Common activities: hot springs, indoor activities. Recommended clothing: warm jacket, sweater, scarf and gloves.

Tamagawa River climatological average

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1653 mm / Summer humidity: 70%–80% / Rainiest month: June

Tamagawa River monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.3°C
33.3
February
4.6°C
67.8
March
9°C
149
April
14.4°C
164.3
May
17.3°C
188.2
June
21.5°C
270.1
July
26.6°C
139.3
August
27.5°C
220.3
September
24.8°C
180.4
October
17.1°C
121
November
12.1°C
87.9
December
6°C
31.4

Tamagawa River weather for the next seven days

4/23
Thursday
Heavy rain
17.3°C/12.6°C
4/24
Friday
Patchy rain nearby
20.5°C/12.3°C
4/25
Saturday
Partly Cloudy
18.1°C/12.1°C
4/26
Sunday
Sunny
19.3°C/12.1°C
4/27
Monday
Moderate rain
14.3°C/13.3°C
4/28
Tuesday
Patchy rain nearby
20°C/13.3°C
4/29
Wednesday
Patchy rain nearby
22.8°C/13.6°C