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Kansai International Airport

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Kansai International Airport Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kansai International Airport year round climate

  • Spring (March–May): Average 10.6–18.6°C, mild climate but with relatively high rainfall, especially in April and May. Common activities: Flower viewing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt, and rain gear.
  • Summer (June–August): Average 22.6–28.7°C, hot and humid. June has the most rainfall, while July and August have relatively less. Common activities: Swimming at the beach, sightseeing. Recommended clothing: Light and breathable clothing, sun hat, sunglasses, and sunscreen.
  • Autumn (September–November): Average 15.7–27.0°C, comfortable temperature. September has more rainfall, which gradually decreases afterwards. Common activities: Maple leaf viewing, outdoor activities. Recommended clothing: Light jacket, long-sleeved shirt. Note that there is a large temperature difference between morning and evening, so keep warm.
  • Winter (December–February): Average 7.2–9.8°C, relatively low temperature with less rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm jacket, sweater, scarf, and hat.

Kansai International Airport climatological average

Annual average temperature: approx. 17.6°C / Annual rainfall: approx. 1723 mm / Summer humidity: 70%–80% / Rainiest month: June

Kansai International Airport monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
7.2°C
63.9
February
7.2°C
59.2
March
10.6°C
113.6
April
15.4°C
163.5
May
18.6°C
259.9
June
22.6°C
285.1
July
27.4°C
200.3
August
28.7°C
130.6
September
27°C
161.5
October
20.5°C
141
November
15.7°C
101.2
December
9.8°C
43.7

Kansai International Airport weather for the next seven days

5/16
Saturday
Sunny
21.6°C/17.1°C
5/17
Sunday
Sunny
23°C/16.5°C
5/18
Monday
Sunny
22.9°C/17.4°C
5/19
Tuesday
Patchy rain nearby
22.6°C/17.6°C
5/20
Wednesday
Moderate rain
22.9°C/16.5°C
5/21
Thursday
Moderate rain
18.8°C/17.7°C
5/22
Friday
Partly Cloudy
22°C/17°C

Kansai International Airport Frequently Asked Questions and Useful Information for Travel

What is the difference between Kansai International Airport and Osaka International Airport?

Kansai International Airport (KIX) is the primary international airport serving Osaka and is built on an artificial island in Osaka Bay. Osaka International Airport, also known as Itami Airport (ITM), is the other airport serving Osaka and primarily handles domestic flights. Itami Airport is located closer to the city center, approximately 20 kilometers north of Osaka.

How much has Kansai International Airport settled since its opening?

Since its opening in 1994, Kansai International Airport has experienced significant settlement. The surface of the airport's first island is now approximately 3.84 meters (12.6 feet) lower than when it first opened. The total settlement since landfill began for its construction averages around 13.66 meters (45 inches).

Is Kansai International Airport built on water?

Yes, Kansai International Airport (KIX) is a pioneering airport constructed on a landfill island in Osaka Bay. It was the world's first airport to be built entirely on an artificial island, opening its doors in 1994 as a remarkable feat of engineering.

Which terminal at Kansai International Airport handles international flights?

Kansai International Airport has two main terminals. Terminal 1 is the principal hub and handles the majority of international flights as well as most domestic flights. It offers extensive facilities for shopping, dining, and services and is directly connected to the airport railway station. Terminal 2 is primarily used by low-cost carriers (LCCs) and handles some international flights.

What are the key features of Terminal 1 at Kansai International Airport?

Terminal 1 at Kansai International Airport is the main gateway for most international and many domestic flights. It boasts a wide array of amenities including extensive shopping and dining options. A key convenience is its direct connection to Kansai Airport Station, providing easy access to rail transportation.