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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 44–62°F, 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 71–82°F, 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 52–76°F, 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 36–40°F, 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. 57.2°F / Annual rainfall: approx. 3101 mm / Summer humidity: 70%–80% / Rainiest month: December

Tsunan monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
36.5°F
441.3
February
37.4°F
269.3
March
44.8°F
188.9
April
55.2°F
117.3
May
62.1°F
157.4
June
71.2°F
132.3
July
79.9°F
212
August
82.8°F
195.4
September
76.3°F
196.4
October
61.9°F
256.8
November
52.9°F
337.2
December
40.8°F
597

Tsunan weather for the next seven days

4/7
Tuesday
Moderate rain
51.6°F/37.6°F
4/8
Wednesday
Patchy rain nearby
50.6°F/35.7°F
4/9
Thursday
Sunny
67°F/35.7°F
4/10
Friday
Patchy rain nearby
61.3°F/47.3°F
4/11
Saturday
Patchy rain nearby
55.8°F/45.9°F
4/12
Sunday
Sunny
69.4°F/42.5°F
4/13
Monday
Partly Cloudy
72.1°F/50.2°F

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.