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Isawa

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Isawa Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Isawa year round climate

  • Spring (March–May): Average 10.3–18.4°C, mild climate but with relatively high rainfall, especially in April and May. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 22.3–27.5°C, hot and humid, with the most rainfall in June. Common activities: Swimming, outdoor activities (avoid afternoon thunderstorms). Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 17.4–25.4°C, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: Hiking, outings. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 3.5–5.6°C, cold and dry, with low rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm coat, scarf, hat, gloves.

Isawa climatological average

Annual average temperature: approx. 15.6°C / Annual rainfall: approx. 1351 mm / Summer humidity: 70%–80% / Rainiest month: June

Isawa monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.5°C
19.8
February
5.4°C
54.5
March
10.3°C
119.6
April
15.9°C
123.2
May
18.4°C
204.7
June
22.3°C
230.1
July
27.5°C
102.2
August
27.2°C
147.9
September
25.4°C
159.4
October
17.4°C
98.1
November
12.3°C
76
December
5.6°C
16.4

Isawa weather for the next seven days

12/20
Saturday
Moderate rain
4.7°C/1.2°C
12/21
Sunday
Patchy rain nearby
8.4°C/2.9°C
12/22
Monday
Patchy rain nearby
8.3°C/2.8°C
12/23
Tuesday
Sunny
9.5°C/2°C
12/24
Wednesday
Heavy rain
8.3°C/1.8°C
12/25
Thursday
Patchy rain nearby
10.5°C/3.2°C
12/26
Friday
Sunny
7.9°C/1.6°C

Isawa Frequently Asked Questions and Useful Information for Travel

What is Isawa famous for?

Isawa is renowned for its exquisite hot springs, known as Isawa Onsen. Beyond its therapeutic waters, the region is celebrated for its exceptional culinary scene, featuring fresh local produce and delightful wines from nearby vineyards.

Are there any festivals in Isawa?

Yes, Isawa hosts the spectacular "Isawaonsen Festival" annually on the Fuefukigawa River. This summer highlight is famous for its breathtaking seven-color fireworks display, which illuminates the night sky and draws numerous visitors.

What is the population of Isawa?

Isawa is a district located in Iwate Prefecture, Japan. As of June 1, 2019, it had an estimated population of 15,451 residents with a density of 86 persons per square kilometer across its 179.76 square kilometer area. The district comprises a single town.

What is the weather like in Isawa?

The weather in Isawa typically features patchy rain in nearby areas. Daytime temperatures can reach around 18.8 °C, while nighttime temperatures may dip to approximately 6.3 °C.

What culinary experiences can I expect in Isawa?

Isawa offers a rich culinary journey with an emphasis on fresh, local ingredients. Visitors can savor the flavors of the region, complemented by excellent wines produced from the surrounding vineyards.