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December Weather in Yoshitomi, Japan

Last updated: August 23, 2025

In December, the average temperature in Yoshitomi, Japan is a crisp 8°C (46°F). Expect a minimum temperature that can drop to -1°C (31°F), while highs can reach up to 21°C (71°F). Be prepared for 59 mm (2.3 in) of precipitation over approximately 8 days, and don’t forget your umbrella—average humidity sits at a cozy 79%!

December Temperature in Yoshitomi

In December in Yoshitomi, the average temperature is 8°C (46°F). The maximum can reach 21°C (71°F) and the minimum can be as low as -1°C (31°F). This variety in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates December temperature patterns in Yoshitomi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yoshitomi, December typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (71°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec424351596773808276675646
Data source: Temperature data for Yoshitomi 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 Yoshitomi

In Yoshitomi in December, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

December Precipitation Trends in Yoshitomi

The chart displays monthly precipitation patterns in Yoshitomi, 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 Yoshitomi, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec52711221141561943292241731384759
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yoshitomi

In Yoshitomi in December humidity is 79%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit less enjoyable and leading travelers to seek cozy, warm spots to regain their comfort.

December Average Humidity in Yoshitomi

This chart illustrates the average monthly humidity levels in Yoshitomi, 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 Yoshitomi is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yoshitomi

In Yoshitomi 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 Yoshitomi for better planning.

Maximum UV Index Levels in Yoshitomi for December

The chart shows the monthly maximum UV Index (UVI) for Yoshitomi 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 Yoshitomi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121211764
Data source: Yoshitomi 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 Yoshitomi Compares to Other Months

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

This table compares monthly weather conditions in Yoshitomi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)52 mm (2.0 inches)75%moderate
February Weather6°C (44°F)71 mm (2.8 inches)71%high
March Weather11°C (51°F)122 mm (4.8 inches)71%very high
April Weather15°C (59°F)114 mm (4.5 inches)78%extreme
May Weather20°C (68°F)156 mm (6.2 inches)84%extreme
June Weather23°C (74°F)194 mm (7.6 inches)86%extreme
July Weather27°C (80°F)329 mm (13.0 inches)92%extreme
August Weather28°C (83°F)224 mm (8.8 inches)91%extreme
September Weather24°C (76°F)173 mm (6.8 inches)84%extreme
October Weather19°C (67°F)138 mm (5.4 inches)83%high
November Weather13°C (56°F)47 mm (1.9 inches)81%high
December Weather8°C (46°F)59 mm (2.3 inches)79%moderate

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