During our trip to Okinawa, we found that using an iPhone was convenient, had a stable signal, fast network speed, and was reasonably priced. Before activation, you need to connect to the airport's free Wi-Fi to successfully register your SIM card.
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Sanin and Sanyo Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Sanin and Sanyo year round climate
Spring (March–May): Average 50–65°F, mild and comfortable climate, but relatively high rainfall, especially in April and May. Common activities: flower viewing, hiking, hot springs. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 72–81°F, hot and humid, with rainfall concentrated in June. Common activities: swimming at the beach, mountain climbing, visiting temples and shrines. Recommended clothing: light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 63–77°F, pleasant climate, with decreasing rainfall. Common activities: autumn leaves viewing, hiking, enjoying local cuisine. Recommended clothing: light jacket, long-sleeved shirt.
Winter (December–February): Average 38–42°F, cold and dry, with the least rainfall. Common activities: skiing (mountain areas), hot springs, visiting museums. Recommended clothing: warm jacket, hat, gloves, scarf.
Sanin and Sanyo climatological average
Annual average temperature: approx. 60.1°F / Annual rainfall: approx. 1351 mm / Summer humidity: 70%–80% / Rainiest month: June
Sanin and Sanyo monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
38.3°F
19.8
February
41.7°F
54.5
March
50.5°F
119.6
April
60.6°F
123.2
May
65.1°F
204.7
June
72.1°F
230.1
July
81.5°F
102.2
August
81°F
147.9
September
77.7°F
159.4
October
63.3°F
98.1
November
54.1°F
76
December
42.1°F
16.4
Sanin and Sanyo weather for the next seven days
6/20
Saturday
Heavy rain
70.9°F/56.7°F
6/21
Sunday
Moderate rain
83.7°F/57.7°F
6/22
Monday
Partly Cloudy
82.4°F/53.9°F
6/23
Tuesday
Patchy rain nearby
79.1°F/48.5°F
6/24
Wednesday
Patchy rain nearby
73.6°F/52.8°F
6/25
Thursday
Patchy rain nearby
75.8°F/47.6°F
6/26
Friday
Patchy rain nearby
79°F/51.4°F
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