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Aqua World Ibaraki Prefecture Oarai Aquarium

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Aqua World Ibaraki Prefecture Oarai Aquarium Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Aqua World Ibaraki Prefecture Oarai Aquarium year round climate

  • Spring (March–May): Average 9.1–18.1°C, mild climate, but relatively high rainfall, especially in April and May. Common activities: Visiting the aquarium, strolling along the beach. Recommended clothing: Light jacket, comfortable long-sleeved clothing.
  • Summer (June–August): Average 22.1–27.6°C, hot and humid, frequent rainfall from June to September. Common activities: Swimming at the beach, enjoying outdoor activities, visiting the aquarium to escape the heat. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 12.4–24.8°C, comfortable and pleasant climate, but occasional typhoons. Common activities: Enjoying autumn scenery, visiting the aquarium. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 3.9–6.0°C, cold and dry, less rainfall. Common activities: Visiting indoor attractions such as the aquarium. Recommended clothing: Warm jacket, sweater, scarf, gloves.

Aqua World Ibaraki Prefecture Oarai Aquarium climatological average

Annual average temperature: approx. 15.7°C / Annual rainfall: approx. 1421 mm / Summer humidity: 70%–80% / Rainiest month: June

Aqua World Ibaraki Prefecture Oarai Aquarium monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.9°C
32.3
February
5°C
53
March
9.1°C
109.3
April
14.7°C
105.7
May
18.1°C
160.3
June
22.1°C
225
July
26.9°C
130.7
August
27.6°C
155.7
September
24.8°C
209.7
October
17.5°C
128.7
November
12.4°C
88.3
December
6°C
22.8

Aqua World Ibaraki Prefecture Oarai Aquarium weather for the next seven days

4/24
Friday
Patchy rain nearby
16°C/10.5°C
4/25
Saturday
Sunny
14°C/8.8°C
4/26
Sunday
Partly Cloudy
18.1°C/10.8°C
4/27
Monday
Moderate rain
16.2°C/13.1°C
4/28
Tuesday
Partly Cloudy
22.6°C/12.8°C
4/29
Wednesday
Patchy rain nearby
17.1°C/12.7°C
4/30
Thursday
Sunny
18°C/9.5°C

Aqua World Ibaraki Prefecture Oarai Aquarium Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit Sea World Ibaraki Oarai Aquarium is from 9 am to 17 pm, and on Saturdays it is extended to 17 pm.

What are the must-see attractions?

Must-see attractions include the Encounter Sea, the Large Tank, and the Deep Sea Zone, each displaying a wealth of marine life. In addition, the aquarium also has facilities such as a variety of marine mammals and a children's playground, providing a rich ocean experience.