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December Weather in Tsuru, Japan

Last updated: August 23, 2025

In December, the average temperature in Tsuru, Japan hovers around 4°C (40°F), offering a brisk atmosphere. While you might experience a chilly minimum of -7°C (20°F), the highs can reach up to a comfortable 20°C (69°F). Expect about 68 mm (2.7 in) of precipitation spread across 9 days, and brace yourself for an average humidity level of 78%.

December Temperature in Tsuru

In December in Tsuru, the average temperature is 4°C (40°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -7°C (20°F). Travelers should be prepared for varying temperatures and pack accordingly for both warm and cold conditions.

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

The chart illustrates December temperature patterns in Tsuru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsuru, December typically has an average temperature of 4°C (40°F), with highs reaching up to 20°C (69°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec363744526166737769595040
Data source: Temperature data for Tsuru 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 Tsuru

In Tsuru in December, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

December Precipitation Trends in Tsuru

The chart displays monthly precipitation patterns in Tsuru, 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 Tsuru, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec59731821651642163051722383648469
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tsuru

In Tsuru in December, humidity is 78%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities quite uncomfortable and travel less enjoyable as you navigate through the cold, damp air.

December Average Humidity in Tsuru

This chart illustrates the average monthly humidity levels in Tsuru, 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 Tsuru is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tsuru

In Tsuru 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 Tsuru for better planning.

Maximum UV Index Levels in Tsuru for December

The chart shows the monthly maximum UV Index (UVI) for Tsuru 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 Tsuru typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Tsuru 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 Tsuru Compares to Other Months

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

This table compares monthly weather conditions in Tsuru, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)59 mm (2.3 inches)76%moderate
February Weather3°C (38°F)72 mm (2.9 inches)74%high
March Weather7°C (45°F)182 mm (7.2 inches)70%very high
April Weather11°C (52°F)164 mm (6.5 inches)74%very high
May Weather16°C (61°F)164 mm (6.5 inches)81%extreme
June Weather19°C (66°F)216 mm (8.5 inches)88%extreme
July Weather23°C (74°F)305 mm (12.0 inches)93%extreme
August Weather25°C (77°F)172 mm (6.8 inches)90%extreme
September Weather20°C (69°F)238 mm (9.4 inches)86%very high
October Weather15°C (59°F)364 mm (14.3 inches)83%high
November Weather10°C (50°F)84 mm (3.3 inches)80%moderate
December Weather4°C (40°F)68 mm (2.7 inches)78%moderate

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