Spring (March–May): Average 51–66°F, mild climate but with relatively high rainfall, especially in March and April. Common activities: Flower viewing, hiking. Recommended clothing: Light jacket, long-sleeved shirt, and rain gear.
Summer (June–August): Average 73–83°F, hot and humid with relatively high rainfall. Common activities: Outdoor swimming, escaping the heat. Recommended clothing: Light and breathable clothing, a sun hat, and sunscreen.
Autumn (September–November): Average 57–78°F, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Maple leaf viewing, outdoor activities. Recommended clothing: Long-sleeved shirt, light jacket. Note that there is a large temperature difference between morning and evening, so keep warm.
Winter (December–February): Average 42–46°F, cold and dry climate with low rainfall. Common activities: Indoor activities such as visiting museums and art galleries. Recommended clothing: Warm jacket, scarf, hat, and gloves.
Setagaya climatological average
Annual average temperature: approx. 63.0°F / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June
Setagaya monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
42.6°F
25
February
44.2°F
63.7
March
52°F
148.3
April
61.2°F
143.7
May
66.7°F
186.3
June
73.6°F
253.7
July
82.9°F
156.7
August
83.5°F
206.3
September
78.6°F
217
October
66°F
146.7
November
57.6°F
75.7
December
46.9°F
25.8
Setagaya weather for the next seven days
5/19
Tuesday
Sunny
79.3°F/67.8°F
5/20
Wednesday
Patchy rain nearby
79.5°F/69.2°F
5/21
Thursday
Moderate rain
64.9°F/60.4°F
5/22
Friday
Patchy rain nearby
60°F/58.6°F
5/23
Saturday
Patchy rain nearby
69.6°F/58.8°F
5/24
Sunday
Patchy rain nearby
72.3°F/61.8°F
5/25
Monday
Partly Cloudy
75.5°F/65°F
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