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Goryokaku

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Goryokaku Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Goryokaku year round climate

  • Spring (March–May): 3.4–13.7°C 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): 17.9–24.5°C 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): 7.1–20.8°C 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–-0.7°C 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. 10.8°C / Annual rainfall: approx. 1172 mm / Summer humidity: 70%–80% / Rainiest month: August

Goryokaku monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-2°C
94
February
-1.3°C
36
March
3.4°C
64.7
April
9.6°C
44.3
May
13.7°C
72
June
17.9°C
129.3
July
22.7°C
93.7
August
24.5°C
245
September
20.8°C
94.3
October
13.7°C
116.7
November
7.1°C
99.7
December
-0.7°C
83

Goryokaku weather for the next seven days

9/23
Wednesday
Sunny
20°C/14.7°C
9/24
Thursday
Sunny
22.4°C/15.3°C
9/25
Friday
Overcast
18.6°C/13.1°C
9/26
Saturday
Overcast
19.1°C/13.6°C
9/27
Sunday
Overcast
19.8°C/16.1°C
9/28
Monday
Sunny
21.2°C/15°C
9/29
Tuesday
Light rain shower
20.5°C/14.6°C

Goryokaku Frequently Asked Questions and Useful Information for Travel

What is Goryokaku?

Goryokaku is a remarkable star-shaped pentagon fort with five protruding points known as bastions. Its distinctive form was inspired by European fortified city designs from the 16th century, creating a unique architectural and historical site.

Is Goryokaku worth visiting?

Goryokaku is absolutely worth visiting, primarily for the expansive Goryokaku Park. Here, you can rent boats on the moats, stroll beneath blossoming cherry blossom and wisteria trees, and enjoy picnics on the green fields, offering a beautiful and relaxing experience.

How long should I spend at Goryokaku?

We recommend dedicating at least an hour to explore the Goryokaku Tower for panoramic views. Afterward, plan to spend additional time wandering through the Goryokaku Fort area, which has been transformed into a lovely park. While entry to the tower has a fee, exploring the fort grounds is free.

Why is Goryokaku shaped like a star?

Goryokaku is shaped like a five-pointed star. This unique design was strategically chosen to allow for a greater number of gun emplacements along its walls compared to traditional Japanese fortresses, significantly reducing blind spots where cannons could not be fired.

What are the main attractions at Goryokaku?

The primary attractions at Goryokaku include the iconic star-shaped Goryokaku Fort itself, which is now a beautiful park, and the Goryokaku Tower, offering stunning aerial views of the fort and surrounding landscape. The park is especially popular during cherry blossom season.