Tour guide Alex was a detailed person. He shared many info with us when we reach each attraction spots. At the end of the trip, he also gifted a small gift for us. Good job Alex! Thank you and take care.
Anonymous User
Couple
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
11/28
Friday
Patchy rain nearby
18.2°C/12.1°C
11/29
Saturday
Partly Cloudy
14°C/9.8°C
11/30
Sunday
Sunny
16°C/11°C
12/1
Monday
Sunny
20.2°C/13°C
12/2
Tuesday
Partly Cloudy
13.5°C/12.5°C
12/3
Wednesday
Partly Cloudy
12.8°C/9.8°C
12/4
Thursday
Sunny
11.8°C/8.2°C
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