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Ishikari River

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Best time to visit Ishikari River

Data source：Meteostat
Last updated：2025-09

Weather in Ishikari River throughout the year

  • Spring (March–May): Average 0.4–13.4°C, with fluctuating temperatures and relatively even rainfall distribution. Common activities: flower viewing, hiking, boating (depending on snowmelt). Recommended clothing: warm jacket, sweater, waterproof jacket.
  • Summer (June–August): Average 18.0–23.2°C, warm and humid, with higher rainfall, especially in August. Common activities: camping, fishing, water sports. Recommended clothing: light and breathable clothing, rain gear.
  • Autumn (September–November): Average 10.5–18.1°C, cool and with relatively high rainfall. Common activities: maple leaf viewing, fruit picking. Recommended clothing: light jacket, long-sleeved clothing.
  • Winter (December–February): Average -7.2–-4.5°C, cold and dry, with high probability of snowfall. Common activities: skiing, ice activities. Recommended clothing: heavy warm clothing, waterproof and windproof jacket, snow boots.

Weather in Ishikari River

Annual average temperature: approx. 8.4°C / Annual rainfall: approx. 1198 mm / Summer humidity: 70%–80% / Rainiest month: August

Ishikari River weather by month

Month
Temperature (°C)
Rainfall (mm)
January
-7.2°C
66.7
February
-5.8°C
47.3
March
0.4°C
51
April
8°C
49.3
May
13.4°C
70.3
June
18°C
121.7
July
22.8°C
142.7
August
23.2°C
186
September
18.1°C
120.7
October
10.5°C
120.7
November
4°C
115.3
December
-4.5°C
106.3

7-day weather forecast for Ishikari River

11/2
Monday
Overcast
6°C/1.2°C
11/3
Tuesday
Patchy rain nearby
6°C/-0.1°C
11/4
Wednesday
Sunny
6°C/-0.9°C
11/5
Thursday
Overcast
12°C/-1.7°C
11/6
Friday
Light rain
11.5°C/2.4°C
11/7
Saturday
Patchy heavy snow
1.6°C/-2.1°C
11/8
Sunday
Patchy heavy snow
0°C/-2.4°C

Ishikari River travel FAQs and useful info

Where is the Ishikari River located?

The Ishikari River is located on the Japanese island of Hokkaido. It originates in the Taisetsu Mountains, specifically Mount Ishikari, and flows through central and western Hokkaido, passing through major cities like Sapporo and Asahikawa before emptying into the Sea of Japan near the city of Ishikari.

What is the meaning of 'Ishikari'?

The most common translation of 'Ishikari' is 'a greatly wandering river'. This interpretation is proposed to stem from the Ainu phrase 'i-sikar-pet' or 'ishikaripet', referring to the river's meandering course.

What are the main cities the Ishikari River flows through?

The Ishikari River flows through several significant cities in Hokkaido, Japan, including Sapporo and Asahikawa. Its course is central to the geography and development of the island.

Where does the Ishikari River originate and where does it end?

The Ishikari River originates in the Taisetsu Mountains, with its source being Mount Ishikari. It empties into the Sea of Japan, near the city of Ishikari.

What geographical features are associated with the Ishikari River?

The Ishikari River is closely associated with the Taisetsu Mountain range, where it originates. Its course traverses the island of Hokkaido, a significant geographical feature of Japan, before reaching the Sea of Japan.