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Zamami Island

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Zamami Island Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Zamami Island year round climate

  • Spring (March–May): Average 20.1–24.3°C, warm and humid climate, relatively high rainfall, especially abundant rainfall in April and May. Common activities: snorkeling, diving, beach activities. Recommended clothing: light and breathable clothing, rain gear.
  • Summer (June–August): Average 27.0–29.8°C, hot and humid, relatively high rainfall, occasional showers. Common activities: swimming, sunbathing, water activities. Recommended clothing: light short-sleeved clothing, swimwear, hat, sunscreen.
  • Autumn (September–November): Average 26.7–23.6°C, comfortable and pleasant climate, rainfall gradually decreases. Common activities: snorkeling, diving, beach activities, sunset viewing. Recommended clothing: light long-sleeved or short-sleeved clothing.
  • Winter (December–February): Average 19.2–17.9°C, warm and comfortable, moderate rainfall. Common activities: enjoying the tranquility of the beach, suitable for diving, escaping the cold for a vacation. Recommended clothing: light jacket, long-sleeved clothing.

Zamami Island climatological average

Annual average temperature: approx. 24°C / Annual rainfall: approx. 2246 mm / Summer humidity: 75%–85% / Rainiest month: August

Zamami Island monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
17.9°C
60.1
February
18.9°C
60
March
20.1°C
165.9
April
23.1°C
217.6
May
24.3°C
229.4
June
27°C
318.7
July
29.8°C
129.7
August
29.5°C
342.2
September
28.6°C
165.8
October
26.7°C
149.1
November
23.6°C
155.3
December
19.2°C
252.6

Zamami Island weather for the next seven days

8/12
Wednesday
Light rain shower
27.2°C/25.4°C
8/13
Thursday
Partly Cloudy
28.3°C/26.1°C
8/14
Friday
Light rain shower
27.4°C/26°C
8/15
Saturday
Partly Cloudy
29.2°C/26.4°C
8/16
Sunday
Sunny
29.3°C/26.6°C
8/17
Monday
Thundery outbreaks in nearby
29°C/26.7°C
8/18
Tuesday
Sunny
28.4°C/26.5°C

Zamami Island Frequently Asked Questions and Useful Information for Travel

Is it worth going to Zamami Island?

Zamami Island is a place of beautiful contrasts. The island's steep, rugged hills lead down to tranquil, white beaches buffered by bright, blue seas teeming with subtropical fish. Every winter, migrating humpback whales swim and play in these calm, warm waters.

How many people live in Zamami Island?

Zamami Island is the largest and most lively island in Zamami Village, with a population of around 600. Visitors come throughout the year—summer for marine activities, and winter for whale watching.

How do I get to Zamami Island, Japan?

To get to Zamami Island you must first travel to Naha city, which is located on the main island of Okinawa. From there you take a 50 minute express ferry, or a roughly 2 hour regular car ferry to the main port on the island.

What are the main attractions on Zamami Island?

Zamami Island boasts stunning natural beauty. The island is renowned for its crystal-clear waters perfect for snorkeling and diving, with vibrant coral reefs and abundant marine life. Designated viewpoints offer breathtaking panoramic vistas of the surrounding Kerama Islands and the vast ocean.

When is the best time to visit Zamami Island for whale watching?

The prime season for whale watching on Zamami Island is typically from January to March. During these months, humpback whales migrate to the warm, sheltered waters around the Kerama Islands to breed and give birth, offering incredible opportunities to witness these majestic creatures.