Miyako Island Weather in December
Miyako Island in December sees high temperatures, with highs around 23°C (73°F) and overnight lows of 20°C (68°F). Rainfall is fairly high at around 140 mm (5.5 in) on average, so pack waterproofs just in case.
Rainfall in Miyako Island in December
You can expect rain on roughly 24 days based on historical data, averaging 140 mm (5.5 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Miyako Island in December
Expect highs of 23°C (73°F) in Miyako Island in December, with nights dropping to around 20°C (68°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors.
Sunshine in Miyako Island in December
The month is characterized by fewer sunny days, with roughly 91 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances for Miyako Island.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Miyako Island's climate page.
Miyako Island Temperature in December
Min Temperature
20°C (68°F)
Max Temperature
23°C (73°F)
Chance of Rain
80%
Precipitation
140 mm (5.5 in)
Rainy days
24 days
Humidity
71%
Sunshine
91 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Miyako Island typically stay consistent throughout December, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 19°C (66°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Miyako Island in December
Browse day-by-day weather records for Miyako Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Miyako Island historical weather extremes in December
Based on 49 years of weather observations in Miyako Island between 1976 and 2025, these are the recorded extremes.
- The hottest December day on record in Miyako Island reached 28°C (82°F) (December 6, 2018).
- The coldest December day was on December 22, 2005, with a maximum of 12°C (54°F).
- Nighttime temperatures dropped to 11°C (52°F) on December 22, 2005, marking the coldest December night on record.
Best Places in Japan in December
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Miyako Island in December
For Miyako Island in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Miyako Island in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Miyako Island's climate page.
Temperature Rainfall Sunshine Humidity
See the full Miyako Island climate overview or explore weather in Japan.
