nomadseason

December Weather in Miyako, Japan

Last updated: August 23, 2025

In December, the average temperature in Miyako, Japan hovers around 4°C (40°F). Expect a minimum dip to -5°C (23°F) and a pleasant maximum of 16°C (60°F). During this time, precipitation averages 66 mm (2.6 in) spread over about 10 days, while the air remains comfortably moist with an average humidity of 80%.

December Temperature in Miyako

In December in Miyako, the average temperature is 4°C (40°F). Maximum temperatures can reach 16°C (60°F), while the minimum can drop as low as -5°C (23°F). Be sure to pack layers to stay comfortable during your travels!

December Weather in Miyako: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Miyako, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyako, December typically has an average temperature of 4°C (40°F), with highs reaching up to 16°C (60°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec353540465460677168605040
Data source: Temperature data for Miyako generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Miyako

In Miyako in December, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

December Precipitation Trends in Miyako

The chart displays monthly precipitation patterns in Miyako, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Miyako, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec57681081211031041682221812345666
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Miyako

In Miyako in December, humidity is 80%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring careful planning for warmth and moisture management.

December Average Humidity in Miyako

This chart illustrates the average monthly humidity levels in Miyako, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Miyako is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Miyako

In Miyako in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Miyako, you can check the information here.

Maximum UV Index Levels in Miyako for December

The chart shows the monthly maximum UV Index (UVI) for Miyako in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Miyako typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246891110119643
Data source: Miyako December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Miyako Compares to Other Months

Weather in Miyako varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Miyako, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Miyako, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)57 mm (2.2 inches)80%low
February Weather1°C (35°F)68 mm (2.7 inches)79%moderate
March Weather5°C (41°F)108 mm (4.2 inches)77%high
April Weather8°C (46°F)121 mm (4.8 inches)75%very high
May Weather12°C (54°F)103 mm (4.1 inches)80%very high
June Weather15°C (60°F)104 mm (4.1 inches)87%extreme
July Weather19°C (67°F)168 mm (6.6 inches)92%very high
August Weather22°C (71°F)222 mm (8.7 inches)92%extreme
September Weather20°C (68°F)181 mm (7.1 inches)86%very high
October Weather16°C (60°F)234 mm (9.2 inches)82%high
November Weather10°C (51°F)56 mm (2.2 inches)79%moderate
December Weather4°C (40°F)66 mm (2.6 inches)80%moderate

Compare Miyako's Climate with Cities Worldwide