Spring (March–May): Average 11.3–19.8°C, mild climate but with relatively high rainfall, especially in April. Common activities: Cherry blossom viewing, visiting Osaka Castle Park. Recommended clothing: Light jacket, comfortable trousers, rain gear.
Summer (June–August): Average 24.0–29.9°C, hot and humid, with rainfall concentrated in June. Common activities: Experiencing Osaka's summer festivals, water activities. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 20.1–14.9°C, cool and comfortable, with clear weather and decreasing rainfall. Common activities: Autumn leaves viewing, enjoying autumnal cuisine. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 8.6–7.0°C, cold and dry, with the least rainfall. Common activities: Onsen (hot spring) bathing, indoor activities. Recommended clothing: Warm coat, hat, gloves, scarf.
Osaka Castle climatological average
Annual average temperature: approx. 18°C / Annual rainfall: approx. 1334 mm / Summer humidity: 70%–80% / Rainiest month: June
Osaka Castle monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.4°C
30
February
7°C
48
March
11.3°C
112
April
16.8°C
154.7
May
19.8°C
172.7
June
24°C
220
July
29°C
146.7
August
29.9°C
133.7
September
27.6°C
106.7
October
20.1°C
96
November
14.9°C
99
December
8.6°C
14.7
Osaka Castle weather for the next seven days
10/16
Thursday
Moderate rain
27.6°C/21.9°C
10/17
Friday
Sunny
27.2°C/20°C
10/18
Saturday
Patchy rain nearby
27°C/20.3°C
10/19
Sunday
Moderate rain
20.4°C/17.6°C
10/20
Monday
Patchy rain nearby
22.8°C/17.2°C
10/21
Tuesday
Partly Cloudy
20.6°C/16.3°C
10/22
Wednesday
Partly Cloudy
18.5°C/15.8°C
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