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December Weather in Tadotsu, Japan

Last updated: August 23, 2025

In December, the average temperature in Tadotsu, Japan hovers around 9°C (48°F), with minimum lows of 2°C (35°F) and maximum highs reaching 21°C (70°F). Expect approximately 53 mm (2.1 in) of precipitation spread across 8 days, resulting in a relatively high average humidity of 82%.

December Temperature in Tadotsu

In December in Tadotsu, the average temperature is 9°C (48°F). Maximums can reach 21°C (70°F), while minimums can drop as low as 2°C (35°F). Travelers should prepare for a range of temperatures and pack accordingly for a comfortable visit.

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

The chart illustrates December temperature patterns in Tadotsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tadotsu, December typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (70°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec444451586672808377685748
Data source: Temperature data for Tadotsu 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 Tadotsu

In Tadotsu in December, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

December Precipitation Trends in Tadotsu

The chart displays monthly precipitation patterns in Tadotsu, 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 Tadotsu, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec49641021201251612821361872064853
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tadotsu

In Tadotsu in December, humidity is 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

December Average Humidity in Tadotsu

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

In Tadotsu 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 Tadotsu for better planning.

Maximum UV Index Levels in Tadotsu for December

The chart shows the monthly maximum UV Index (UVI) for Tadotsu 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 Tadotsu typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121210754
Data source: Tadotsu 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 Tadotsu Compares to Other Months

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

This table compares monthly weather conditions in Tadotsu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)49 mm (1.9 inches)82%moderate
February Weather7°C (45°F)64 mm (2.5 inches)79%moderate
March Weather10°C (51°F)102 mm (4.0 inches)73%very high
April Weather14°C (58°F)120 mm (4.7 inches)74%very high
May Weather19°C (67°F)125 mm (4.9 inches)84%extreme
June Weather22°C (73°F)161 mm (6.3 inches)86%extreme
July Weather26°C (80°F)282 mm (11.1 inches)92%extreme
August Weather28°C (83°F)136 mm (5.3 inches)92%extreme
September Weather25°C (77°F)187 mm (7.4 inches)87%very high
October Weather20°C (68°F)206 mm (8.1 inches)85%high
November Weather14°C (58°F)48 mm (1.9 inches)84%moderate
December Weather9°C (48°F)53 mm (2.1 inches)82%moderate

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