Taking the sightseeing bus directly from point to point was very convenient! Our guide, Cora, was very attentive and explained the sights. We were also lucky that the weather was perfect, and Mt. Omuro was absolutely beautiful!
Anonymous User
Family
Shinjuku Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Shinjuku year round climate
Spring (March–May): Average 11.1–19.3°C, mild and comfortable climate. Cherry blossoms begin to bloom in March and reach full bloom in April. Common activities: cherry blossom viewing, park strolls, hiking. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 23.1–28.6°C, hot and humid with frequent rainfall, especially in June. Common activities: outdoor swimming, museum visits, indoor activities. Recommended clothing: light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 14.2–25.9°C, pleasant and cool climate with gradually decreasing rainfall. Common activities: autumn leaf viewing, outdoor hiking, temple and shrine visits. Recommended clothing: light jacket or cardigan, long pants.
Winter (December–February): Average 5.9–8.3°C, cold and dry with less rainfall. Common activities: indoor shopping, art museum visits, enjoying hot springs. Recommended clothing: warm coat, scarf, hat, gloves.
Shinjuku climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June
Shinjuku 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
Shinjuku weather for the next seven days
6/18
Thursday
Moderate rain
26.8°C/20.7°C
6/19
Friday
Patchy rain nearby
28.1°C/21°C
6/20
Saturday
Heavy rain
21.6°C/20.6°C
6/21
Sunday
Moderate rain
20.5°C/19.5°C
6/22
Monday
Patchy rain nearby
20.8°C/19.1°C
6/23
Tuesday
Patchy rain nearby
24.1°C/19.3°C
6/24
Wednesday
Patchy rain nearby
23°C/18.6°C
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