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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): 48–62°F 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): 69–80°F 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): 53–77°F 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): 37–48°F 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. 59.0°F / Annual rainfall: approx. 1653 mm / Summer humidity: 70%–80% / Rainiest month: June

Tamagawa River monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
37.9°F
33.3
February
40.3°F
67.8
March
48.2°F
149
April
57.9°F
164.3
May
63.1°F
188.2
June
70.7°F
270.1
July
79.9°F
139.3
August
81.5°F
220.3
September
76.6°F
180.4
October
62.8°F
121
November
53.8°F
87.9
December
42.8°F
31.4

Tamagawa River weather for the next seven days

4/21
Tuesday
Sunny
75.5°F/59.1°F
4/22
Wednesday
Partly Cloudy
71.4°F/57.2°F
4/23
Thursday
Moderate rain
67°F/55.8°F
4/24
Friday
Heavy rain
54.4°F/52.7°F
4/25
Saturday
Patchy rain nearby
68.9°F/52.3°F
4/26
Sunday
Patchy rain nearby
62.8°F/53.9°F
4/27
Monday
Patchy rain nearby
59.5°F/55.6°F