Spring (March–May): Average 32–54°F, 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 62–74°F, 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 53–66°F, 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–-37.2°F, 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. 48.2°F / Annual rainfall: approx. 1160 mm / Summer humidity: 70%–80% / Rainiest month: August
Ishikari monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
22.6°F
84.5
February
24.3°F
63
March
32.7°F
67.1
April
46.2°F
66.1
May
54.9°F
75.1
June
62.8°F
122.9
July
71.6°F
107.9
August
74.8°F
164.2
September
66.9°F
112.1
October
53.4°F
127
November
41.5°F
106
December
26.8°F
64.1
Ishikari weather for the next seven days
5/13
Wednesday
Patchy rain nearby
62°F/48°F
5/14
Thursday
Sunny
59.3°F/43.5°F
5/15
Friday
Sunny
66.7°F/42.7°F
5/16
Saturday
Patchy rain nearby
66.6°F/49.7°F
5/17
Sunday
Sunny
58°F/47.4°F
5/18
Monday
Sunny
62.9°F/46.5°F
5/19
Tuesday
Partly Cloudy
52.6°F/45.7°F
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