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Inasa Mountain

Travel guide

Top 10 things to do in Inasa Mountain

Ongoing promotions in Inasa Mountain

Best time to visit Inasa Mountain

Data source：Meteostat
Last updated：2025-09

Weather in Inasa Mountain throughout the year

  • 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.

Weather in Inasa Mountain

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

Inasa Mountain weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Inasa Mountain

11/14
Saturday
Patchy rain nearby
20.1°C/16.7°C
11/15
Sunday
Patchy rain nearby
20.6°C/16.3°C
11/16
Monday
Overcast
20.2°C/14.7°C
11/17
Tuesday
Patchy rain nearby
19.2°C/15.4°C
11/18
Wednesday
Light rain shower
18.5°C/13.7°C
11/19
Thursday
Patchy rain nearby
13.7°C/11.5°C
11/20
Friday
Light rain shower
12.9°C/10.5°C

Inasa Mountain travel FAQs and useful info

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.