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Tsunan

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Tsunan Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Tsunan year round climate

  • Spring (March–May): Average 7.1–16.7°C, mild climate, but early spring is still relatively cold, rainfall gradually increases. Common activities: picnics, flower viewing. Recommended clothing: light jacket, long-sleeved shirt, warm clothing for mornings and evenings.
  • Summer (June–August): Average 21.8–28.2°C, hot and humid, relatively high rainfall. Common activities: escaping the heat, beach activities (if near the sea). Recommended clothing: light and breathable clothing, short sleeves, shorts, sunscreen.
  • Autumn (September–November): Average 11.6–24.6°C, comfortable and pleasant climate, relatively high rainfall. Common activities: viewing autumn scenery, outdoor excursions. Recommended clothing: light jacket, long-sleeved shirt.
  • Winter (December–February): Average 2.5–4.9°C, cold and humid, highest rainfall. Common activities: indoor activities, hot springs (if near hot springs). Recommended clothing: thick coat, sweater, scarf, gloves.

Tsunan climatological average

Annual average temperature: approx. 14°C / Annual rainfall: approx. 3101 mm / Summer humidity: 70%–80% / Rainiest month: December

Tsunan monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
2.5°C
441.3
February
3°C
269.3
March
7.1°C
188.9
April
12.9°C
117.3
May
16.7°C
157.4
June
21.8°C
132.3
July
26.6°C
212
August
28.2°C
195.4
September
24.6°C
196.4
October
16.6°C
256.8
November
11.6°C
337.2
December
4.9°C
597

Tsunan weather for the next seven days

1/2
Friday
Heavy snow
-0.9°C/-7.7°C
1/3
Saturday
Heavy snow
0.8°C/-3.7°C
1/4
Sunday
Heavy snow
1.9°C/-6.9°C
1/5
Monday
Heavy snow
1.8°C/-4.6°C
1/6
Tuesday
Heavy snow
0.3°C/-8.8°C
1/7
Wednesday
Moderate or heavy snow showers
1.7°C/-9.3°C
1/8
Thursday
Moderate or heavy snow showers
-0.5°C/-2.9°C

Tsunan Frequently Asked Questions and Useful Information for Travel

When can I attend the Tsunan Snow Festival?

The Jinnan Snow Festival will be held on March 8, 2025, and the event time is 11:30~20:00.

What are the must-see events at the Tsunan Snow Festival?

Must-see activities include Japan's largest snow tubing, snow-themed rides, an open-air market, and the grand finale - the release of approximately 2,000 sky lanterns and a fireworks display.