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December Weather in Mihara, Japan

Last updated: August 23, 2025

In Mihara, Japan, the average temperature in December hovers around 7°C (44°F), with minimums dipping to -2°C (29°F) and maximums reaching up to 20°C (68°F). Expect precipitation of approximately 47 mm (1.8 in) over about 6 days, and feel the average humidity at a comfortable 82%. Embrace the season’s charm while staying prepared!

December Temperature in Mihara

In December in Mihara, the average temperature is 7°C (44°F). Maximums can reach 20°C (68°F) and minimums can be as low as -2°C (29°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates December temperature patterns in Mihara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mihara, December typically has an average temperature of 7°C (44°F), with highs reaching up to 20°C (68°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec404249576672798375655344
Data source: Temperature data for Mihara 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 Mihara

In Mihara in December, the total precipitation amount is 47 mm (1.8 in) spread over the course of 6 days.

December Precipitation Trends in Mihara

The chart displays monthly precipitation patterns in Mihara, 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 Mihara, December typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec41541001171091563401981881643347
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mihara

In Mihara in December, humidity is 82%. With an average temperature of 7°C (44°F), this humidity feels like an unwelcoming chill that seeps into your bones, making outdoor exploration feel damp and cumbersome.

December Average Humidity in Mihara

This chart illustrates the average monthly humidity levels in Mihara, 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 Mihara 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 Mihara

In Mihara 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 Mihara for better planning.

Maximum UV Index Levels in Mihara for December

The chart shows the monthly maximum UV Index (UVI) for Mihara 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 Mihara typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210764
Data source: Mihara 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 Mihara Compares to Other Months

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

This table compares monthly weather conditions in Mihara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)41 mm (1.6 inches)82%moderate
February Weather5°C (42°F)54 mm (2.1 inches)79%moderate
March Weather10°C (50°F)100 mm (3.9 inches)73%very high
April Weather14°C (58°F)117 mm (4.6 inches)74%very high
May Weather19°C (67°F)109 mm (4.3 inches)84%extreme
June Weather22°C (73°F)156 mm (6.1 inches)86%extreme
July Weather26°C (80°F)340 mm (13.4 inches)92%extreme
August Weather28°C (83°F)198 mm (7.8 inches)92%extreme
September Weather24°C (75°F)188 mm (7.4 inches)87%very high
October Weather18°C (65°F)164 mm (6.4 inches)85%high
November Weather12°C (54°F)33 mm (1.3 inches)84%high
December Weather7°C (44°F)47 mm (1.8 inches)82%moderate

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