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Chikugo River

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Chikugo River Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Chikugo River year round climate

  • Spring (March–May): Average 52–67°F, mild and comfortable climate, but with relatively high rainfall and occasional overcast days. Common activities: picnics, flower viewing (e.g., azaleas), cycling along the Chikugo River. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 74–83°F, hot and humid with heavy rainfall, especially in July. Common activities: swimming and boating near the Chikugo River, or seeking indoor refuge from the heat. Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 64–78°F, comfortable and pleasant climate with reduced rainfall and abundant sunshine. Common activities: viewing autumn leaves, hiking, strolling along the Chikugo River. Recommended clothing: light jacket or long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 40–43°F, cold and dry with little rainfall. Common activities: visiting hot springs, exploring indoor attractions. Recommended clothing: warm jacket, sweater, scarf, hat, gloves.

Chikugo River climatological average

Annual average temperature: approx. 61.7°F / Annual rainfall: approx. 1996 mm / Summer humidity: 70%–80% / Rainiest month: July

Chikugo River monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
40.5°F
65.4
February
43.7°F
84.5
March
52.2°F
152.2
April
61.2°F
167.7
May
67.1°F
192.9
June
74.5°F
270.5
July
82.6°F
500.2
August
83.1°F
221.5
September
78.8°F
129.8
October
64.9°F
86.9
November
56.1°F
89
December
42.6°F
36.1

Chikugo River weather for the next seven days

12/15
Monday
Patchy rain nearby
49.8°F/38.1°F
12/16
Tuesday
Partly Cloudy
54°F/36.9°F
12/17
Wednesday
Moderate rain
54.2°F/46.9°F
12/18
Thursday
Patchy rain nearby
56.8°F/43.7°F
12/19
Friday
Sunny
61.8°F/41.9°F
12/20
Saturday
Partly Cloudy
65.7°F/47.4°F
12/21
Sunday
Sunny
67.9°F/50.5°F

Chikugo River Frequently Asked Questions and Useful Information for Travel

What is the longest river in Kyushu?

The Chikugo River is the longest river in Kyushu. It has a length of 143 kilometers and flows through four prefectures: Oita, Kumamoto, Fukuoka, and Saga, before emptying into the Ariake Sea. The river begins its journey from the rim of Mount Aso and nourishes the land as it makes its way through the Chikugo plain.

Where does the Chikugo River originate and where does it flow?

The Chikugo River originates from the rim of Mount Aso. It then flows through four prefectures in Kyushu: Oita, Kumamoto, Fukuoka, and Saga. Finally, it empties into the Ariake Sea after traversing the Chikugo plain.

What is the significance of the Chikugo River?

The Chikugo River is significant as Kyushu's longest river, playing a vital role in irrigating the fertile Chikugo plain, which supports extensive rice cultivation and has enabled the establishment of cities in the region. It is a crucial waterway for the local economy and environment.

What natural features are associated with the Chikugo River?

The Chikugo River is characterized by its journey from the mountainous region around Mount Aso, carving out valleys in its upper reaches and forming alluvial plains in its lower course. The Chikugo plain is a notable feature, known for its agricultural productivity.

How long is the Chikugo River?

The Chikugo River is 143 kilometers long, making it the longest river in the Kyushu region of Japan.