I redeemed my tickets at Okayama Castle, Korakuen Garden, and Okayama Underground Mall, and all three experiences were excellent. However, the ice cream served at Okayama Castle wasn't the sundae that some online reviews recommended, but rather a small ice cream cone. I'm unsure if this has changed or if the online information is inaccurate.
Anonymous User
Solo traveler
Okayama Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Okayama year round climate
Spring (March–May): Average 10.4–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Flower viewing, hiking, visiting Okayama Castle. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 23.4–29.3°C, hot and humid with abundant rainfall. Common activities: Swimming at the beach, outdoor activities (note sun protection and heatstroke prevention). Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 18.6–26.6°C, comfortable and pleasant climate with reduced rainfall. Common activities: Maple viewing, outdoor sports, enjoying local cuisine. Recommended clothing: Long-sleeved shirt, light jacket.
Winter (December–February): Average 4.9–6.6°C, cold and dry with low rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm coat, hat, scarf, gloves.
Okayama climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1247 mm / Summer humidity: 70%–80% / Rainiest month: June
Okayama monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.9°C
19.3
February
5.6°C
51.5
March
10.4°C
106.1
April
15.9°C
138.4
May
18.9°C
172.5
June
23.4°C
181
July
28.2°C
169.7
August
29.3°C
167.3
September
26.6°C
76.3
October
18.6°C
74.2
November
13.2°C
69.7
December
6.6°C
21.5
Okayama weather for the next seven days
6/7
Sunday
Heavy rain
19.8°C/18.1°C
6/8
Monday
Patchy rain nearby
23.2°C/17.1°C
6/9
Tuesday
Sunny
23.9°C/15.5°C
6/10
Wednesday
Partly Cloudy
24.6°C/15.2°C
6/11
Thursday
Sunny
25.9°C/15.8°C
6/12
Friday
Sunny
25.9°C/16.5°C
6/13
Saturday
Sunny
27.4°C/17.8°C
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