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December Weather in Miyoshi, Japan

Last updated: August 23, 2025

In December, the average temperature in Miyoshi, Japan hovers around 6°C (43°F), with a minimum of -2°C (29°F) and a pleasant maximum reaching 20°C (69°F). Expect 65 mm (2.6 in) of precipitation spread over 9 days, coupled with an average humidity of 77%. Embrace the climate as it unfolds!

December Temperature in Miyoshi

In December in Miyoshi, the average temperature is 6°C (43°F). Maximum temperatures can reach 20°C (69°F), while minimums can drop as low as -2°C (29°F). This variation in temperature means travelers should be prepared for both mild days and chilly nights.

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

The chart illustrates December temperature patterns in Miyoshi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyoshi, December typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (69°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148566470788073645243
Data source: Temperature data for Miyoshi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Miyoshi

In Miyoshi in December, the precipitation amount is 65 mm (2.6 in) over the course of 9 days.

December Precipitation Trends in Miyoshi

The chart displays monthly precipitation patterns in Miyoshi, 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 Miyoshi, December typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec55771181331582143761982482526165
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Miyoshi

In Miyoshi in December humidity is 77%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly and stay active while exploring the area.

December Average Humidity in Miyoshi

This chart illustrates the average monthly humidity levels in Miyoshi, 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 Miyoshi is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Miyoshi

In Miyoshi in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Miyoshi for better planning.

Maximum UV Index Levels in Miyoshi for December

The chart shows the monthly maximum UV Index (UVI) for Miyoshi 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 Miyoshi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Miyoshi 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 Miyoshi Compares to Other Months

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

This table compares monthly weather conditions in Miyoshi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)55 mm (2.2 inches)74%moderate
February Weather5°C (41°F)77 mm (3.0 inches)70%high
March Weather9°C (49°F)118 mm (4.6 inches)70%very high
April Weather13°C (56°F)133 mm (5.2 inches)76%extreme
May Weather18°C (65°F)158 mm (6.2 inches)82%extreme
June Weather21°C (71°F)214 mm (8.4 inches)86%extreme
July Weather25°C (78°F)376 mm (14.8 inches)91%extreme
August Weather27°C (81°F)198 mm (7.8 inches)88%extreme
September Weather23°C (74°F)248 mm (9.8 inches)85%very high
October Weather18°C (64°F)252 mm (9.9 inches)82%high
November Weather11°C (53°F)61 mm (2.4 inches)79%high
December Weather6°C (43°F)65 mm (2.6 inches)77%moderate

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