Spring (March–May): Average 49–64°F, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing (such as cherry blossoms, but be mindful of rain). Recommended clothing: Light jacket, long-sleeved shirt, and rain gear.
Summer (June–August): Average 71–82°F, hot and humid, with the most rainfall in June, and relatively less in July and August. Common activities: Outdoor swimming, beach trips. Recommended clothing: Light and breathable clothing, sunscreen, and rain gear.
Autumn (September–November): Average 63–77°F, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Maple leaf viewing, hiking in the suburbs. Recommended clothing: Long-sleeved shirt, light jacket.
Winter (December–February): Average 39–44°F, cold and dry with low rainfall. Common activities: Indoor activities such as museum visits, hot spring bathing (requires travel to the suburbs). Recommended clothing: Warm jacket, scarf, hat, gloves.
Suginami climatological average
Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1709 mm / Summer humidity: 70%–80% / Rainiest month: June
Suginami monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
39.2°F
33.2
February
41°F
67.9
March
49.3°F
153.9
April
58.8°F
166.1
May
64.6°F
190.6
June
72°F
275.3
July
81.5°F
145.3
August
82.4°F
227.3
September
77.5°F
188.7
October
63.9°F
132.8
November
55°F
96.8
December
44.8°F
31.2
Suginami weather for the next seven days
6/20
Saturday
Heavy rain
72.5°F/68.1°F
6/21
Sunday
Moderate rain
80.9°F/68°F
6/22
Monday
Patchy rain nearby
83.2°F/70.3°F
6/23
Tuesday
Sunny
83.9°F/69.9°F
6/24
Wednesday
Patchy rain nearby
72.9°F/65.3°F
6/25
Thursday
Patchy rain nearby
76.5°F/65.9°F
6/26
Friday
Partly Cloudy
80.7°F/69.1°F
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