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Iwate

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Iwate Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Iwate year round climate

  • Spring (March–May): Average 39–60°F, the climate gradually changes from cold to warm. There is still a chance of snowfall in March, and it gradually warms up starting in April. Common activities: Cherry blossom viewing (depending on the cherry blossom variety and blooming time), hiking, mountain climbing. Recommended clothing: Layered clothing, jacket, sweater, long-sleeved shirt.
  • Summer (June–August): Average 68–78°F, hot and humid with abundant rainfall, especially in July and August. Common activities: Playing in streams, visiting summer resorts, mountain climbing (pay attention to weather changes). Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 56–71°F, the climate is comfortable and pleasant, cool and dry, it's a good season for viewing autumn leaves. Common activities: Viewing autumn leaves, hot springs, hiking. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average -33–39°F, cold and dry, with a high probability of snowfall. Common activities: Skiing, snow activities, hot spring experience. Recommended clothing: Warm clothing, thick coat, waterproof and warm shoes and boots.

Iwate climatological average

Annual average temperature: approx. 53.6°F / Annual rainfall: approx. 1443 mm / Summer humidity: 70%–80% / Rainiest month: August

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

Iwate weather for the next seven days

12/16
Tuesday
Light sleet
37.9°F/26.6°F
12/17
Wednesday
Light snow
37.6°F/26°F
12/18
Thursday
Light freezing rain
36.4°F/25.3°F
12/19
Friday
Light freezing rain
41.3°F/25.4°F
12/20
Saturday
Patchy rain nearby
49.4°F/25.1°F
12/21
Sunday
Patchy rain nearby
47.9°F/32.2°F
12/22
Monday
Patchy rain nearby
37°F/33.4°F