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Hachimantai Iwate

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Hachimantai Iwate Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Hachimantai Iwate year round climate

  • Spring (March–May): Average 4.4–15.6°C, mild climate, but still chilly in early spring, rainfall gradually increases. Common activities: Hiking, flower viewing (some species). Recommended clothing: Warm jacket, long-sleeved clothing, and umbrella.
  • Summer (June–August): Average 20.2–25.9°C, high temperature, high humidity, heavy rainfall, especially in August. Common activities: Mountain hiking, summer retreat. Recommended clothing: Light and breathable clothing, rain gear, and sunscreen.
  • Autumn (September–November): Average 7.7–21.7°C, comfortable temperature, decreased rainfall, crisp autumn weather. Common activities: Maple viewing, hiking. Recommended clothing: Light jacket, long-sleeved clothing.
  • Winter (December–February): Average -1.0–4.4°C, cold temperature, snowfall may occur, relatively low rainfall. Common activities: Skiing, snow viewing (depending on snowfall). Recommended clothing: Thick warm clothing, waterproof jacket, snow boots.

Hachimantai Iwate climatological average

Annual average temperature: approx. 12°C / Annual rainfall: approx. 1443 mm / Summer humidity: 70%–80% / Rainiest month: August

Hachimantai Iwate monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-1°C
41
February
-0.1°C
44
March
4.4°C
108.3
April
11.5°C
84.7
May
15.6°C
85.7
June
20.2°C
122.7
July
24.6°C
273
August
25.9°C
305.3
September
21.7°C
156.3
October
13.6°C
71.3
November
7.7°C
76.7
December
1°C
74.3

Hachimantai Iwate weather for the next seven days

5/17
Sunday
Sunny
26.4°C/9.3°C
5/18
Monday
Sunny
26°C/8.1°C
5/19
Tuesday
Sunny
25.9°C/10°C
5/20
Wednesday
Sunny
23.4°C/9.8°C
5/21
Thursday
Patchy rain nearby
19.1°C/9°C
5/22
Friday
Patchy rain nearby
13.3°C/9.6°C
5/23
Saturday
Cloudy
22.1°C/5.9°C

Hachimantai Iwate Frequently Asked Questions and Useful Information for Travel

What is the meaning behind the name Hachimantai Iwate?

The name Iwate is derived from a legend where a devil made a handprint on a rock as a seal of his oath. The direct translation of Iwate is 'rock hand', and it's said that this devil's handprint is still visible after rainfall.

How can I travel to the Hachimantai region?

To reach the Hachimantai area, take the Tohoku Shinkansen to Morioka Station. From there, seasonally operated buses can take you to the summit of Hachimantai. Additionally, if you arrive at Tazawako Station via the Akita Shinkansen, you can catch buses to Nyuto Onsen and Akita Komagatake.

What is the population of Hachimantai?

As of May 2021, Hachimantai had a population of approximately 23,700 people.

Is Iwate province a worthwhile travel destination?

Iwate offers a diverse range of attractions, from its stunning coastline and majestic mountains to charming hot springs and a historically significant town that once rivaled Kyoto in its cultural influence. The region also boasts unique culinary traditions, and its capital city was recognized by the New York Times as one of the top places to visit in 2023.

What are some unique experiences in Hachimantai Iwate?

Hachimantai Iwate is renowned for its pristine natural beauty, especially its volcanic landscapes and hot springs. Visitors can enjoy scenic drives along the Hachimantai Aspite Line, hiking trails through diverse flora, and relaxing in traditional onsen (hot springs) with therapeutic properties. The region also offers opportunities to experience local agricultural products and traditional crafts.