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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 39–60°F, 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 68–78°F, 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 45–71°F, comfortable temperature, decreased rainfall, crisp autumn weather. Common activities: Maple viewing, hiking. Recommended clothing: Light jacket, long-sleeved clothing.
  • Winter (December–February): Average -33–39°F, 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. 53.6°F / Annual rainfall: approx. 1443 mm / Summer humidity: 70%–80% / Rainiest month: August

Hachimantai Iwate monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
30.2°F
41
February
31.8°F
44
March
39.9°F
108.3
April
52.7°F
84.7
May
60.1°F
85.7
June
68.4°F
122.7
July
76.3°F
273
August
78.6°F
305.3
September
71.1°F
156.3
October
56.5°F
71.3
November
45.9°F
76.7
December
33.8°F
74.3

Hachimantai Iwate weather for the next seven days

6/6
Saturday
Patchy rain nearby
66.1°F/47.1°F
6/7
Sunday
Patchy rain nearby
69.9°F/48.6°F
6/8
Monday
Heavy rain
60.4°F/53.5°F
6/9
Tuesday
Patchy rain nearby
64.2°F/50°F
6/10
Wednesday
Patchy rain nearby
72.4°F/42.8°F
6/11
Thursday
Patchy rain nearby
70.7°F/49.3°F
6/12
Friday
Patchy rain nearby
73.7°F/50.4°F