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Sunagawa

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Sunagawa Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Sunagawa year round climate

  • Spring (March–May): Average 1.2–13.0°C, the weather is changeable with a large diurnal temperature variation, and moderate rainfall. Common activities: Flower viewing, hiking. Recommended clothing: Warm jacket, comfortable trousers, easy-to-remove clothing.
  • Summer (June–August): Average 17.5–23.4°C, comfortable temperatures, but August has more rainfall and higher humidity. Common activities: Outdoor recreation, mountain climbing. Recommended clothing: Breathable clothing, light rain gear.
  • Autumn (September–November): Average 19.0–4.8°C, temperatures gradually decrease, rainfall is relatively high, and the diurnal temperature variation is significant. Common activities: Maple viewing, fruit picking. Recommended clothing: Warm jacket, long-sleeved clothing.
  • Winter (December–February): Average -5.6–-3.5°C, cold temperatures, snow may accumulate, and rainfall is relatively high. Common activities: Skiing, ice activities. Recommended clothing: Heavy warm clothing, waterproof and windproof jacket, hat, scarf, gloves.

Sunagawa climatological average

Annual average temperature: approx. 8.6°C / Annual rainfall: approx. 1436 mm / Summer humidity: 70%–80% / Rainiest month: August

Sunagawa monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-5.6°C
132
February
-4.4°C
83.7
March
1.2°C
58
April
8.5°C
61.1
May
13°C
89.2
June
17.5°C
110.9
July
22.6°C
103.1
August
23.4°C
213.9
September
19°C
156.4
October
11.9°C
148.6
November
4.8°C
117.1
December
-3.5°C
162.4

Sunagawa weather for the next seven days

3/2
Monday
Light freezing rain
0°C/-6.7°C
3/3
Tuesday
Partly Cloudy
1.7°C/-7.2°C
3/4
Wednesday
Moderate snow
2.1°C/-1.9°C
3/5
Thursday
Moderate snow
2.3°C/-2.7°C
3/6
Friday
Light freezing rain
4.2°C/-3.4°C
3/7
Saturday
Moderate snow
3.9°C/-0.9°C
3/8
Sunday
Patchy rain nearby
4.8°C/0.2°C

Sunagawa Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit is from January 28 to February 29, perfect for enjoying smelt fishing in the winter.

What are the must-see attractions?

Must-see attractions include Sunagawa Oasis Park, which offers free fishing and where swans can be seen in the spring.