Spring (March–May): Average 11.3–19°C, mild and comfortable weather, but occasional showers; cherry blossoms bloom in March. Common activities: Cherry blossom viewing, outings, seaside walks. Recommended clothing: Light jacket, long-sleeved shirt; bring an umbrella.
Summer (June–August): Average 22.5–28.2°C, hot and humid, more rainfall, especially in June. Common activities: Swimming, water sports, night markets. Recommended clothing: Light and breathable clothing, sun-protective clothing, sun hat.
Autumn (September–November): Average 19.7–15.3°C, pleasant and comfortably dry weather, ideal for sightseeing. Common activities: Maple leaf viewing, outdoor activities, visiting temples and shrines. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 9.6–7.2°C, cold and dry, little rainfall. Common activities: Hot springs, indoor activities. Recommended clothing: Warm coat, sweater, scarf, gloves.
Tokyo Bay climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1529 mm / Summer humidity: 70%–80% / Rainiest month: June
Tokyo Bay monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.7°C
37.4
February
7.2°C
84.4
March
11.3°C
133.3
April
15.8°C
174
May
19°C
187
June
22.5°C
220.3
July
27.3°C
97.8
August
28.2°C
198.8
September
26°C
136.2
October
19.7°C
131.2
November
15.3°C
96.8
December
9.6°C
32.6
Tokyo Bay weather for the next seven days
1/31
Saturday
Sunny
6.1°C/2.3°C
2/1
Sunday
Sunny
8.6°C/3.3°C
2/2
Monday
Patchy rain nearby
7.9°C/4.6°C
2/3
Tuesday
Sunny
9.2°C/3.5°C
2/4
Wednesday
Partly Cloudy
9.2°C/5.2°C
2/5
Thursday
Overcast
12.3°C/6.9°C
2/6
Friday
Patchy rain nearby
12.4°C/7.2°C
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