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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 50–65°F, 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 72–81°F, 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 63–77°F, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: Hiking, outings. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 38–42°F, 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. 60.1°F / Annual rainfall: approx. 1351 mm / Summer humidity: 70%–80% / Rainiest month: June

Isawa monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
38.3°F
19.8
February
41.7°F
54.5
March
50.5°F
119.6
April
60.6°F
123.2
May
65.1°F
204.7
June
72.1°F
230.1
July
81.5°F
102.2
August
81°F
147.9
September
77.7°F
159.4
October
63.3°F
98.1
November
54.1°F
76
December
42.1°F
16.4

Isawa weather for the next seven days

5/13
Wednesday
Moderate rain
71.5°F/45.1°F
5/14
Thursday
Moderate rain
68.3°F/42.5°F
5/15
Friday
Patchy rain nearby
75°F/41.5°F
5/16
Saturday
Sunny
76.7°F/42.9°F
5/17
Sunday
Sunny
81.7°F/45.5°F
5/18
Monday
Sunny
78.4°F/47.6°F
5/19
Tuesday
Patchy rain nearby
80.6°F/46.8°F

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.