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Agano River

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Agano River Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Agano River year round climate

  • Spring (March–May): Average 5.4–16.7°C, mild climate, but still chilly in early spring, moderate rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, warm clothing for mornings and evenings.
  • Summer (June–August): Average 21.6–27.5°C, hot and humid, most rainfall in July. Common activities: Boating on the Agano River, sightseeing in summer resorts. Recommended clothing: Breathable clothing, loose-fitting pants, sun hat.
  • Autumn (September–November): Average 8.9–23.9°C, comfortable and pleasant climate, moderate rainfall. Common activities: Maple viewing, rural experiences. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 0.2–2.6°C, cold and dry, low probability of snowfall. Common activities: Hot spring experiences, skiing (requires going to mountainous areas). Recommended clothing: Warm jacket, hat, scarf, gloves.

Agano River climatological average

Annual average temperature: approx. 13.5°C / Annual rainfall: approx. 1102 mm / Summer humidity: 70%–80% / Rainiest month: July

Agano River monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
0.2°C
80
February
1.2°C
62.7
March
5.4°C
75.3
April
12.7°C
61.3
May
16.7°C
73.3
June
21.6°C
134.3
July
26.1°C
139
August
27.5°C
78.3
September
23.9°C
109
October
14.9°C
81.3
November
8.9°C
97
December
2.6°C
111.3

Agano River weather for the next seven days

4/9
Thursday
Sunny
17.9°C/-0.4°C
4/10
Friday
Moderate rain
14.7°C/8.5°C
4/11
Saturday
Patchy rain nearby
11.4°C/3.7°C
4/12
Sunday
Sunny
15.1°C/2.9°C
4/13
Monday
Partly Cloudy
17.6°C/5.1°C
4/14
Tuesday
Sunny
18.2°C/4.8°C
4/15
Wednesday
Sunny
18.3°C/4°C

Agano River Frequently Asked Questions and Useful Information for Travel

What historical sites can be found near the Agano River?

Near the Agano River, you can discover historic sites such as the ancient Takada Castle ruins, which embody the spirit of Japan's samurai era.

Are there any notable festivals along the Agano River?

Yes, the local area hosts the lively Agano Fireworks Festival, where colorful displays light up the night sky, attracting visitors from afar.

What is the local language spoken in the Agano region?

The local language is Japanese. The local welcome is Konnichiwa, and the local goodbye is Sayōnara. The closest airport is Niigata Airport.

What are some interesting facts about Agano?

Agano is home to historic sites such as the ancient Takada Castle ruins, which embody the spirit of Japan's samurai era. The local area hosts the lively Agano Fireworks Festival, where colorful displays light up the night sky, attracting visitors from afar.

What is the primary economic activity associated with the Agano River?

The Agano River has historically been vital for transportation and agriculture, supporting the local economy through fishing and irrigation for rice paddies.