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Seto

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Seto Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Seto year round climate

  • Spring (March–May): Average 10.4–18.9°C, mild and comfortable climate, but with relatively high rainfall. Temperatures gradually rise from March, with more rainfall in April and May; rain gear is recommended. Common activities: Hiking, flower viewing (e.g., cherry blossoms, azaleas, depending on actual blooming conditions). Recommended clothing: Light jacket, long-sleeved shirts, rain gear.
  • Summer (June–August): Average 23.4–29.3°C, hot and humid with abundant rainfall. June to August is the rainy season; heatstroke prevention, sun protection, and rain protection are necessary. Common activities: Indoor activities, swimming at the beach (depending on actual weather conditions). Recommended clothing: Light and breathable clothing, sun protection clothing, rain gear.
  • Autumn (September–November): Average 13.2–26.6°C, comfortable and pleasant climate with reduced rainfall. September still experiences some rainfall, and the weather gradually cools down afterwards. Common activities: Outdoor activities, autumn leaf viewing (depending on the actual tree species and season). Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 4.9–6.6°C, cold and dry with less rainfall. January and February have lower temperatures; keep warm. Common activities: Indoor activities, onsen experiences. Recommended clothing: Warm jacket, sweater, scarf, hat.

Seto climatological average

Annual average temperature: approx. 17°C / Annual rainfall: approx. 1247 mm / Summer humidity: 70%–80% / Rainiest month: June

Seto 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

Seto weather for the next seven days

12/20
Saturday
Sunny
14.7°C/7.7°C
12/21
Sunday
Patchy rain nearby
12.9°C/8.5°C
12/22
Monday
Sunny
10.4°C/5.6°C
12/23
Tuesday
Patchy rain nearby
10.4°C/4°C
12/24
Wednesday
Moderate rain
13.5°C/12.5°C
12/25
Thursday
Sunny
9.9°C/6.5°C
12/26
Friday
Overcast
9.1°C/4.3°C

Seto Frequently Asked Questions and Useful Information for Travel

What is Seto in Japanese?

In Japanese, the meaning of Seto depends on the kanji used but most commonly refers to a strait or channel, or a narrow place, often associated with the Seto Inland Sea. The name also has geographical significance, with Seto, Aichi Prefecture, famous for its ceramics, using the kanji 瀬戸, where Seto also refers to the area's history of producing pottery and the generic term for ceramics, setomono.

What is Seto known for?

Seto is renowned for its rich history of ceramics production, particularly Seto ware, which originated in the 10th century. The city is famous for its high-quality clay and is a hub for pottery making, with the word setomono being a common colloquialism for tableware.

Is Seto a Japanese name?

Yes, Seto is a Japanese name. It is often written with kanji such as 瀬戸, which means 'strait' or 'channel'. The name is frequently connected to geographical features like the Seto Inland Sea.

What are the main attractions in Seto?

Seto's main attractions revolve around its ceramic heritage. Visitors can explore numerous pottery workshops, museums dedicated to Seto ware, and the historic streets that showcase the city's long tradition of craftsmanship. The Seto Ceramic Park is a popular destination.

What type of ceramics is Seto famous for?

Seto is most famous for Seto ware, a traditional Japanese ceramic ware that originated in the 10th century. It is known for its diverse glazes and high-quality porcelain, making it a significant part of Japan's ceramic art history.