Spring (March–May): 38–56°F on average, the climate gradually warms, but there are still showers. Cherry blossoms may bloom in March–April. Common activities: Cherry blossom viewing (depending on cherry blossom blooming conditions), visiting Goryokaku Park. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): 64–76°F on average, warm and humid climate. August has the most rainfall, and heatstroke and rain prevention measures are necessary. Common activities: Visiting Goryokaku, enjoying the night view from Mount Hakodate. Recommended clothing: Breathable short-sleeved clothing, light pants, rain gear.
Autumn (September–November): 44–69°F on average, pleasant climate, but the temperature difference between morning and evening is large. Common activities: Autumn leaves viewing (depending on the autumn leaves coloring conditions), strolling around Goryokaku. Recommended clothing: Light jacket or sweater, long pants.
Winter (December–February): -2.0–-33.3°F on average, cold climate, high probability of snowfall, keep warm. Common activities: Experiencing winter activities (depending on the conditions), visiting indoor attractions. Recommended clothing: Heavy coat, warm clothing, hat, gloves, scarf.
Goryokaku climatological average
Annual average temperature: approx. 51.4°F / Annual rainfall: approx. 1172 mm / Summer humidity: 70%–80% / Rainiest month: August
Goryokaku monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
28.4°F
94
February
29.7°F
36
March
38.1°F
64.7
April
49.3°F
44.3
May
56.7°F
72
June
64.2°F
129.3
July
72.9°F
93.7
August
76.1°F
245
September
69.4°F
94.3
October
56.7°F
116.7
November
44.8°F
99.7
December
30.7°F
83
Goryokaku weather for the next seven days
12/30
Tuesday
Patchy rain nearby
40.6°F/30.5°F
12/31
Wednesday
Moderate or heavy snow showers
30.1°F/22.2°F
1/1
Thursday
Blizzard
24.1°F/20.4°F
1/2
Friday
Light freezing rain
32.9°F/23.2°F
1/3
Saturday
Moderate or heavy snow showers
34.2°F/25°F
1/4
Sunday
Light freezing rain
34.9°F/27.5°F
1/5
Monday
Light snow showers
33.9°F/26°F
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