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December Weather in Mimasaka, Japan

Last updated: August 23, 2025

In December, the average temperature in Mimasaka, Japan hovers around 6°C (43°F). While it can dip as low as -4°C (25°F), temperatures may also soar to a pleasant 20°C (68°F). Expect a moderate precipitation level of 54 mm (2.1 in) spread over about 7 days, accompanied by a high average humidity of 82%. Whether you're packing for the chill or the warmth, prepare for diverse weather this season!

December Temperature in Mimasaka

In December in Mimasaka, the average temperature is 6°C (43°F). Maximums can reach 20°C (68°F) and minimums can be as low as -4°C (25°F). Therefore, it's advisable to pack layers and prepare for a range of weather conditions during your travels.

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

The chart illustrates December temperature patterns in Mimasaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mimasaka, December typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (68°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec394048566571788174645243
Data source: Temperature data for Mimasaka 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 Mimasaka

In Mimasaka in December, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

December Precipitation Trends in Mimasaka

The chart displays monthly precipitation patterns in Mimasaka, 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 Mimasaka, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec40561131331271733092242251853454
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mimasaka

In Mimasaka in December, humidity is 82%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more uncomfortable, as the heavy air can leave you feeling sluggish and fatigued during your travels.

December Average Humidity in Mimasaka

This chart illustrates the average monthly humidity levels in Mimasaka, 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 Mimasaka is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mimasaka

In Mimasaka 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 Mimasaka, you can check the information here.

Maximum UV Index Levels in Mimasaka for December

The chart shows the monthly maximum UV Index (UVI) for Mimasaka 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 Mimasaka typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210753
Data source: Mimasaka 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 Mimasaka Compares to Other Months

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

This table compares monthly weather conditions in Mimasaka, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)40 mm (1.6 inches)82%moderate
February Weather5°C (40°F)56 mm (2.2 inches)79%high
March Weather9°C (48°F)113 mm (4.4 inches)73%very high
April Weather13°C (56°F)133 mm (5.2 inches)74%extreme
May Weather18°C (65°F)127 mm (5.0 inches)84%extreme
June Weather22°C (71°F)173 mm (6.8 inches)86%extreme
July Weather26°C (79°F)309 mm (12.1 inches)92%extreme
August Weather27°C (82°F)224 mm (8.8 inches)92%extreme
September Weather23°C (74°F)224 mm (8.8 inches)87%very high
October Weather18°C (64°F)185 mm (7.3 inches)85%high
November Weather11°C (53°F)34 mm (1.3 inches)84%moderate
December Weather6°C (43°F)54 mm (2.1 inches)82%moderate

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