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Inasa Mountain

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Inasa Mountain Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Inasa Mountain year round climate

  • Spring (March–May): Average 12.8–19.9°C, mild climate but with relatively high rainfall, especially in March and April. Common activities: Flower viewing, outdoor excursions (be mindful of weather changes). Recommended clothing: Light jacket, long-sleeved shirt, rain gear essential.
  • Summer (June–August): Average 23.6–29.2°C, hot and humid, abundant rainfall, with the most rainfall in June. Common activities: Avoiding the heat, indoor activities, swimming at the beach (be mindful of sun protection). Recommended clothing: Light and breathable clothing, hat, sunscreen.
  • Autumn (September–November): Average 20.8–16.0°C, comfortable and pleasant climate, reduced rainfall. Common activities: Hiking, outdoor walks. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 9.0–8.8°C, lower temperatures, less rainfall. Common activities: Hot spring trips, indoor leisure activities. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.

Inasa Mountain climatological average

Annual average temperature: approx. 18.3°C / Annual rainfall: approx. 2007 mm / Summer humidity: 70%–80% / Rainiest month: June

Inasa Mountain monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
7.6°C
93
February
8.8°C
86.3
March
12.8°C
212
April
17°C
194.7
May
19.9°C
207
June
23.6°C
324.7
July
28.1°C
282.3
August
29.2°C
243.7
September
27.1°C
165.3
October
20.8°C
69
November
16°C
85.7
December
9°C
43.3

Inasa Mountain weather for the next seven days

12/19
Friday
Partly Cloudy
17.5°C/11°C
12/20
Saturday
Moderate rain
18.9°C/15.6°C
12/21
Sunday
Heavy rain
15.8°C/8°C
12/22
Monday
Sunny
13°C/6.6°C
12/23
Tuesday
Sunny
14.4°C/8.2°C
12/24
Wednesday
Patchy rain nearby
16.7°C/9.9°C
12/25
Thursday
Cloudy
13.1°C/8.3°C

Inasa Mountain Frequently Asked Questions and Useful Information for Travel

What is Mount Inasa famous for?

Mount Inasa is famous for its breathtaking night views, recognized as one of the three best night views in Japan. Located in Nagasaki City, the summit offers panoramic vistas of the city below, especially stunning after dark.

What is the best time to visit Mount Inasa?

While Mount Inasa is enjoyable during the day, it is truly spectacular at night. The "10 Million Dollar Night View" is the primary draw, making evening visits highly recommended.

How do you get to Mount Inasa?

Mount Inasa is accessible by bus, car, or ropeway. From Nagasaki Station, you can take bus numbers 3 or 4 to the Ropeway-mae stop, followed by a short walk to the Nagasaki Ropeway's Fuchi-jinja Station.

Is Mount Inasa worth visiting at night?

Absolutely. Mount Inasa is renowned for its spectacular night views, often ranked among the best in Japan and even the world. The five-minute ropeway ride offers stunning city views as you ascend, making the night visit a memorable experience.

What are the transport options to the summit of Mount Inasa?

The summit of Mount Inasa can be reached via a scenic ropeway, which provides excellent views during the ascent. Alternatively, visitors can opt for bus or car access to reach the mountain.