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Nanzan Castle

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Nanzan Castle Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Nanzan Castle year round climate

  • Spring (March–May): 47–63°F on average, mild climate, but rainfall increases gradually. March is relatively humid, and temperatures begin to rise in April. Common activities: Spring outings, flower viewing (depending on the flower species). Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): 72–81°F on average, hot and humid, with more rainfall; June is the peak of the rainy season. Common activities: Sightseeing in cool summer resorts, playing in streams (please pay attention to safety). Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): 53–77°F on average, comfortable and pleasant temperature, rainfall gradually decreases. Common activities: Mountain hiking, outdoor excursions. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
  • Winter (December–February): 38–42°F on average, cold and dry, low rainfall. Common activities: Indoor activities, hot spring bathing. Recommended clothing: Warm clothing, thick jacket, scarf, gloves, hat.

Nanzan Castle climatological average

Annual average temperature: approx. 59.4°F / Annual rainfall: approx. 1508 mm / Summer humidity: 70%–80% / Rainiest month: June

Nanzan Castle monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
38.5°F
29.7
February
40.3°F
46.9
March
47.8°F
135.2
April
58.6°F
136.8
May
63.7°F
171.5
June
72.1°F
268.1
July
81.3°F
156.1
August
81.3°F
204.1
September
77.7°F
150.8
October
63.1°F
106.1
November
53.4°F
84.8
December
42.4°F
18

Nanzan Castle weather for the next seven days

4/11
Saturday
Patchy rain nearby
67.6°F/49.1°F
4/12
Sunday
Cloudy
63.4°F/46.4°F
4/13
Monday
Partly Cloudy
73.6°F/44.7°F
4/14
Tuesday
Sunny
70°F/47.5°F
4/15
Wednesday
Patchy rain nearby
60.8°F/48.9°F
4/16
Thursday
Patchy rain nearby
66°F/50.9°F
4/17
Friday
Partly Cloudy
68.3°F/47.9°F

Nanzan Castle Frequently Asked Questions and Useful Information for Travel

What is the history of Nanzan Castle ruins?

Nanzan Castle is estimated to have been built in the 13th Century by the Aji lords. It was the home of the Aji until the Hanji took control in the 14th century and established the Hokuzan Kingdom whose base was Nanzan Castle.

Is Nanzan Castle worth visiting?

Nanzan Castle is a must-see in Okinawa! The castle ruins are fascinating to explore, with informative placards available in multiple languages. Visiting during cherry blossom season, if possible, offers a particularly stunning experience.

What was the significance of Nanzan Castle?

Nanzan Castle was a significant royal castle during the Ryukyu Kingdom era. It served as the base for the Hokuzan Kingdom, one of the three kingdoms that unified to form the Ryukyu Kingdom, showcasing its historical importance.

When was Nanzan Castle built?

Nanzan Castle is estimated to have been built in the 13th Century.

What can visitors see at Nanzan Castle today?

Today, visitors can explore the impressive castle ruins of Nanzan Castle. Informative placards detail its history, and the site offers a glimpse into the strategic and cultural importance of the region during the Ryukyu Kingdom.