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Ishikari

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Ishikari Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Ishikari year round climate

  • Spring (March–May): Average 0.4–12.7°C, cold and rainy climate, slow temperature increase, occasional cold winds. Common activities: Flower viewing (some cold-resistant plants), outdoor walks (dress warmly). Recommended clothing: Warm jacket, sweater, waterproof pants.
  • Summer (June–August): Average 17.1–23.8°C, warm and humid climate, heavy rainfall, especially in August. Common activities: Beach activities, camping, mountain climbing (be prepared for rain). Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 11.9–19.4°C, cool climate, still relatively high rainfall, gradually decreasing temperatures. Common activities: Maple leaf viewing (in some areas), outdoor leisure activities. Recommended clothing: Light jacket, long-sleeved shirt, comfortable pants.
  • Winter (December–February): Average -5.2–-2.9°C, cold and dry climate, low temperatures, relatively low snowfall. Common activities: Skiing (requires going to mountainous areas), indoor activities. Recommended clothing: Heavy warm jacket, hat, scarf, gloves.

Ishikari climatological average

Annual average temperature: approx. 9°C / Annual rainfall: approx. 1160 mm / Summer humidity: 70%–80% / Rainiest month: August

Ishikari monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-5.2°C
84.5
February
-4.3°C
63
March
0.4°C
67.1
April
7.9°C
66.1
May
12.7°C
75.1
June
17.1°C
122.9
July
22°C
107.9
August
23.8°C
164.2
September
19.4°C
112.1
October
11.9°C
127
November
5.3°C
106
December
-2.9°C
64.1

Ishikari weather for the next seven days

11/28
Friday
Moderate rain
8.8°C/1.3°C
11/29
Saturday
Patchy rain nearby
4°C/0.6°C
11/30
Sunday
Patchy rain nearby
9.8°C/1.8°C
12/1
Monday
Patchy rain nearby
4.2°C/1.9°C
12/2
Tuesday
Moderate rain
3.7°C/1.1°C
12/3
Wednesday
Blizzard
-0.3°C/-3.1°C
12/4
Thursday
Blizzard
-0.2°C/-2.6°C