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Mount Kaimon

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Mount Kaimon Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Mount Kaimon year round climate

  • Spring (March–May): Average 14–20°C, mild climate but relatively high rainfall, especially frequent rainfall in April and May. Common activities: Hiking (be aware of weather changes), enjoying the natural scenery around Kaimondake. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 23–28°C, hot and rainy, with the most rainfall in June, and high humidity. Common activities: Summer resort (choose indoor activities or shaded areas), beach activities (be aware of weather changes). Recommended clothing: Breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 17–27°C, gradually decreasing temperature, less rainfall, comfortable weather. Common activities: Hiking, appreciating autumn scenery. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 10–11°C, low temperature, less rainfall. Common activities: Hot spring bathing, appreciating winter scenery. Recommended clothing: Warm jacket, sweater, scarf.

Mount Kaimon climatological average

Annual average temperature: approx. 18.7°C / Annual rainfall: approx. 2716 mm / Summer humidity: 70%–80% / Rainiest month: June

Mount Kaimon monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
9.5°C
82.1
February
10.9°C
153.2
March
14°C
215.5
April
17.8°C
255.5
May
20.3°C
301.2
June
23.5°C
721.7
July
28.2°C
268.8
August
28.4°C
218.2
September
26.9°C
149.5
October
21.3°C
129.3
November
17.2°C
135.7
December
10.2°C
85.5

Mount Kaimon weather for the next seven days

4/24
Friday
Patchy rain nearby
17.9°C/16.4°C
4/25
Saturday
Partly Cloudy
20.1°C/16.1°C
4/26
Sunday
Moderate rain
20.8°C/17.2°C
4/27
Monday
Patchy rain nearby
20°C/17.5°C
4/28
Tuesday
Partly Cloudy
20.2°C/17.5°C
4/29
Wednesday
Patchy rain nearby
17.1°C/12.7°C
4/30
Thursday
Overcast
17.6°C/12.8°C

Mount Kaimon Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit is spring and autumn, as the weather in these two seasons is the most stable and you can enjoy the best natural scenery of Kaiwen Mountain.

What are the must-see attractions?

Must-see attractions include the natural beauty of Kinko Bay and the Ibusuki area around Kaimondake, as well as traditional gardens that retain a strong Edo period atmosphere.