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Nishi-Shinjuku

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Nishi-Shinjuku Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Nishi-Shinjuku year round climate

  • Spring (March–May): 11.1–19.3°C on average, with a mild and comfortable climate, but relatively high rainfall. Be mindful of weather changes. Common activities: flower viewing, outings, shopping. Recommended clothing: light jacket, long-sleeved shirts and pants, rain gear.
  • Summer (June–August): 23.1–28.6°C on average, hot and humid, with relatively high rainfall and occasional typhoons. Common activities: indoor activities such as shopping at department stores and enjoying night views. Recommended clothing: light and breathable clothing, sweat-wicking clothing, rain gear.
  • Autumn (September–November): 14.2–25.9°C on average, comfortable and pleasant, cool and dry, but be mindful of temperature differences between morning and evening. Common activities: maple leaf viewing, outdoor activities, visiting museums, etc. Recommended clothing: light jacket, long-sleeved shirts and pants; adjust clothing according to temperature differences.
  • Winter (December–February): 5.9–8.3°C on average, cold and dry, with occasional snowfall. Common activities: indoor activities such as onsen (hot springs) and visiting indoor attractions. Recommended clothing: warm coats, sweaters, scarves, hats, etc.

Nishi-Shinjuku climatological average

Annual average temperature: approx. 17°C / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June

Nishi-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

Nishi-Shinjuku weather for the next seven days

12/18
Thursday
Partly Cloudy
11.3°C/7.5°C
12/19
Friday
Partly Cloudy
11.9°C/7.1°C
12/20
Saturday
Patchy rain nearby
15.9°C/10.7°C
12/21
Sunday
Patchy rain nearby
18.4°C/12.6°C
12/22
Monday
Patchy rain nearby
12.7°C/7.5°C
12/23
Tuesday
Patchy rain nearby
10.6°C/6.5°C
12/24
Wednesday
Sunny
9.5°C/6.1°C