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December Weather in Tarumizu, Japan

Last updated: August 23, 2025

In December, the average temperature in Tarumizu, Japan hovers around 10°C (50°F). Expect a minimum of 0°C (32°F) and a maximum of 24°C (76°F), making for a varied climate. Be prepared for approximately 80 mm (3.2 in) of precipitation over 7 days, with an average humidity level of 74%.

December Temperature in Tarumizu

In December in Tarumizu, the average temperature is 10°C (50°F). The maximum can reach 24°C (76°F), and the minimum can be as low as 0°C (32°F). This makes it a perfect time for travelers to experience mild weather while enjoying outdoor activities.

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

The chart illustrates December temperature patterns in Tarumizu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarumizu, December typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec474855626974818278706050
Data source: Temperature data for Tarumizu 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 Tarumizu

In Tarumizu in December, the total precipitation amount is 80 mm (3.2 in) over the course of 7 days.

December Precipitation Trends in Tarumizu

The chart displays monthly precipitation patterns in Tarumizu, 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 Tarumizu, December typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec531021741462584254002062581439480
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tarumizu

In Tarumizu in December humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.

December Average Humidity in Tarumizu

This chart illustrates the average monthly humidity levels in Tarumizu, 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 Tarumizu is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%72%79%83%86%90%85%80%78%76%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tarumizu

In Tarumizu in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Tarumizu.

Maximum UV Index Levels in Tarumizu for December

The chart shows the monthly maximum UV Index (UVI) for Tarumizu 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 Tarumizu typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5610101212121311865
Data source: Tarumizu 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 Tarumizu Compares to Other Months

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

This table compares monthly weather conditions in Tarumizu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)53 mm (2.1 inches)72%moderate
February Weather9°C (49°F)102 mm (4.0 inches)68%high
March Weather13°C (56°F)174 mm (6.8 inches)72%very high
April Weather17°C (62°F)146 mm (5.8 inches)79%very high
May Weather20°C (69°F)258 mm (10.2 inches)83%extreme
June Weather23°C (74°F)425 mm (16.7 inches)86%extreme
July Weather27°C (81°F)400 mm (15.8 inches)90%extreme
August Weather28°C (83°F)206 mm (8.1 inches)85%extreme
September Weather26°C (78°F)258 mm (10.2 inches)80%extreme
October Weather21°C (71°F)143 mm (5.6 inches)78%very high
November Weather15°C (60°F)94 mm (3.7 inches)76%high
December Weather10°C (50°F)80 mm (3.2 inches)74%moderate

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