I recommend taking seasickness medication beforehand! I went snorkeling – even closer than I imagined! I think it was totally worth it! There were also lots of cute cats waiting to go out to sea. I brought my own cat food, and some were available for petting; they were adorable. Our staff member was a very friendly Taiwanese lady – communication was seamless and fantastic! Although there were nets, we got very close to the whale sharks – it was truly moving. I recorded the whole thing on my iPhone 14 Pro with a waterproof case and then extracted the photos from the video. I highly recommend it for anyone wanting to see whale sharks! 👍
Anonymous User
Couple
Yomitan Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Yomitan year round climate
Spring (March–May): Average 10.5–19.3°C, mild climate but with relatively high rainfall, especially in April and May. Common activities: Outdoor walks, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
Summer (June–August): Average 23.7–29.5°C, hot and humid with relatively high rainfall. Common activities: Swimming at the beach, water sports. Recommended clothing: Light and breathable clothing, hat, sunscreen.
Autumn (September–November): Average 19.1–27.1°C, temperatures gradually decrease, rainfall decreases. Common activities: Outdoor excursions, viewing autumn scenery. Recommended clothing: Comfortable long-sleeved shirts or light jackets.
Winter (December–February): Average 5.1–7.2°C, cold and dry, with the least rainfall. Common activities: Indoor activities, onsen experience. Recommended clothing: Warm clothing, thick jacket, scarf and gloves.
Yomitan climatological average
Annual average temperature: approx. 17.2°C / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August
Yomitan monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.1°C
47.4
February
6.1°C
72.5
March
10.5°C
131.3
April
16.4°C
182.2
May
19.3°C
199.8
June
23.7°C
248.8
July
28.9°C
176
August
29.5°C
254.7
September
27.1°C
127.3
October
19.1°C
105.2
November
13.9°C
91.9
December
7.2°C
19.2
Yomitan weather for the next seven days
2/5
Thursday
Partly Cloudy
12°C/1.9°C
2/6
Friday
Patchy rain nearby
12°C/4°C
2/7
Saturday
Patchy rain nearby
5.9°C/1.7°C
2/8
Sunday
Patchy heavy snow
1.7°C/-2.6°C
2/9
Monday
Light freezing rain
5°C/-1.7°C
2/10
Tuesday
Overcast
7.4°C/-2.6°C
2/11
Wednesday
Moderate rain
5.8°C/3.9°C
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