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Suwa

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Suwa Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Suwa year round climate

  • Spring (March–May): Average 12.7–20.4°C, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 24.0–29.6°C, hot and humid with frequent rainfall; June is the rainiest month. Common activities: Summer resort, water activities (if there are nearby lakes or streams). Recommended clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 20.9–16.0°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Hiking, maple viewing (if maple leaves are present locally). Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 9.1–8.8°C, cold and dry with less rainfall. Common activities: Hot springs, skiing (if there are nearby ski resorts). Recommended clothing: Warm coat, beanie, scarf, gloves.

Suwa climatological average

Annual average temperature: approx. 18.5°C / Annual rainfall: approx. 2118 mm / Summer humidity: 70%–80% / Rainiest month: June

Suwa monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
7.8°C
80.5
February
8.8°C
93.5
March
12.7°C
167.9
April
17.1°C
208.7
May
20.4°C
217.5
June
24°C
380.4
July
28.6°C
329.5
August
29.6°C
198.8
September
27.3°C
178.1
October
20.9°C
90.6
November
16°C
118
December
9.1°C
54.7

Suwa weather for the next seven days

6/25
Thursday
Heavy rain
23.4°C/22.5°C
6/26
Friday
Heavy rain
20.5°C/19.6°C
6/27
Saturday
Patchy rain nearby
28°C/18.8°C
6/28
Sunday
Patchy rain nearby
28.6°C/20.4°C
6/29
Monday
Patchy rain nearby
28°C/20.4°C
6/30
Tuesday
Moderate rain
27.4°C/22.5°C
7/1
Wednesday
Patchy rain nearby
26.1°C/22.1°C

Suwa Frequently Asked Questions and Useful Information for Travel

What is the significance of Suwa?

Suwa is a prominent location in Japan known for its stunning scenery, especially Lake Suwa. The area is home to important shrines like Suwa-taisha and hosts the spectacular Onbashira festival. The artist Hokusai was inspired by Lake Suwa, featuring it in his famous woodblock print series.

Is Suwa a good place to visit?

Absolutely. Suwa offers a wealth of activities for nature lovers, history buffs, and anime fans alike. You can enjoy nature walks, explore ancient Japanese castles, relax in hot springs, and visit historic shrines. It's also a must-visit for fans of the anime 'Your Name,' as its setting was inspired by Lake Suwa.

What are the main attractions in Suwa?

Suwa's main attractions include the picturesque Lake Suwa, which is central to the region's identity. Visitors can explore the Suwa-taisha shrines, which are among the oldest in Japan. The city also offers opportunities for enjoying hot springs and experiencing the unique culture surrounding the famous Onbashira festival.

What is the cultural importance of Suwa?

Suwa holds significant cultural importance in Japan, particularly through its association with the Suwa-taisha shrines, a complex of Shinto shrines considered very ancient and influential. The annual Onbashira festival, a ritualistic reinstallation of sacred trees, is a major cultural event that draws visitors and showcases deep-rooted traditions.

What can I do in Suwa for independent travel?

For independent travelers, Suwa offers a chance to immerse yourself in Japanese nature and culture. You can rent a bicycle to explore the shores of Lake Suwa, hike to scenic viewpoints, visit local craft shops, and enjoy the tranquility of the shrines at your own pace. Experiencing a traditional ryokan stay is also a popular choice for independent exploration.