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Toyama Bay

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Toyama Bay Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Toyama Bay year round climate

  • Spring (March–May): Average 8–17°C, mild and comfortable climate, but occasional showers, large diurnal temperature variation. Common activities: cherry blossom viewing, coastal walks, enjoying fresh seafood. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 22–28°C, hot and humid, rainy, afternoon thunderstorms are common. Common activities: swimming, water sports, mountain climbing (pay attention to heatstroke prevention). Recommended clothing: light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 12–25°C, pleasant climate, cool and comfortable, but occasionally affected by typhoons. Common activities: maple leaf viewing, hiking, tasting autumn delicacies. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 3–8°C, cold and humid, relatively high rainfall, occasional snowfall. Common activities: skiing (requires going to the mountains), onsen experience, indoor activities. Recommended clothing: warm jacket, hat, gloves, scarf.

Toyama Bay climatological average

Annual average temperature: approx. 15°C / Annual rainfall: approx. 2393 mm / Summer humidity: 70%–80% / Rainiest month: December

Toyama Bay monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.2°C
210.3
February
4°C
160.9
March
8°C
163.6
April
13.1°C
135.9
May
16.8°C
172.5
June
22°C
176.2
July
26.9°C
232.4
August
28.3°C
175.1
September
25.1°C
206.4
October
17.5°C
156.7
November
12.4°C
246.2
December
5.4°C
357.6

Toyama Bay weather for the next seven days

4/16
Thursday
Patchy rain nearby
13.7°C/9.8°C
4/17
Friday
Partly Cloudy
18.9°C/7.7°C
4/18
Saturday
Partly Cloudy
18.9°C/11.7°C
4/19
Sunday
Sunny
17.7°C/10.7°C
4/20
Monday
Sunny
22.4°C/9.9°C
4/21
Tuesday
Patchy rain nearby
16.5°C/11.1°C
4/22
Wednesday
Sunny
20.6°C/8.8°C

Toyama Bay Frequently Asked Questions and Useful Information for Travel

Why is Toyama Bay famous?

Toyama Bay is most famous for its captivating combination of dramatic coastal vistas and the majestic backdrop of the Japanese Alps, also known as the Tateyama Mountain Range. The scenery evolves beautifully with each passing season.

Can you swim in Toyama Bay?

Yes, you can enjoy swimming and fishing to your heart's content in the vibrant, emerald-green waters of Toyama Bay. In the evening, the bay's beautiful beaches transform into a popular spot for breathtaking sunset viewing.

How deep is Toyama Bay?

Toyama Bay reaches a remarkable depth of 1,000 meters. This significant depth contributes to the dramatic elevation difference, spanning approximately 4,000 meters from the grand Tateyama mountain range (3,000 meters high) down to the bay's floor.

What are the top attractions and activities in Toyama?

In Toyama, must-see sights include the innovative Toyama Glass Art Museum, the scenic Fugan Unga Kansui Park, and various art museums. Walking tours are also highly recommended for exploring the region's charm.

What makes the view of the Tateyama Mountains from Toyama Bay special?

The view of the Tateyama Mountain Range looming above Toyama Bay is particularly special because it offers a stunning contrast between the rugged peaks and the serene coastal waters. This majestic panorama changes dramatically with the seasons, providing a unique visual experience throughout the year.