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December Weather in Tsukumiura, Japan

Last updated: August 23, 2025

In Tsukumiura, Japan, the average temperature in December hovers around 8°C (47°F), with the thermometer dipping as low as -1°C (31°F) and peaking at a pleasant 23°C (74°F). This month also sees an average precipitation of 52 mm (2.0 in) spread over 6 days, contributing to an average humidity level of 79%. Expect a blend of cool and refreshing weather, perfect for exploring!

December Temperature in Tsukumiura

In December in Tsukumiura, the average temperature is 8°C (47°F). The maximum can reach 23°C (74°F), while the minimum can drop as low as -1°C (31°F). Be prepared for a mix of warm and chilly days when traveling during this time.

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

The chart illustrates December temperature patterns in Tsukumiura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsukumiura, December typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (74°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec444553606873818376675647
Data source: Temperature data for Tsukumiura 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 Tsukumiura

In Tsukumiura, in December, the precipitation amount is 52 mm (2.0 in) over the course of 6 days.

December Precipitation Trends in Tsukumiura

The chart displays monthly precipitation patterns in Tsukumiura, 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 Tsukumiura, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec56751161101492073362282402335152
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tsukumiura

In Tsukumiura in December, humidity is 79%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Tsukumiura

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

In Tsukumiura 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 Tsukumiura for better planning.

Maximum UV Index Levels in Tsukumiura for December

The chart shows the monthly maximum UV Index (UVI) for Tsukumiura 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 Tsukumiura typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111211121211764
Data source: Tsukumiura 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 Tsukumiura Compares to Other Months

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

This table compares monthly weather conditions in Tsukumiura, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)56 mm (2.2 inches)75%moderate
February Weather7°C (46°F)75 mm (2.9 inches)71%high
March Weather11°C (53°F)116 mm (4.6 inches)71%very high
April Weather15°C (60°F)110 mm (4.3 inches)78%extreme
May Weather20°C (68°F)149 mm (5.9 inches)84%extreme
June Weather23°C (74°F)207 mm (8.2 inches)86%extreme
July Weather27°C (81°F)336 mm (13.2 inches)92%extreme
August Weather28°C (83°F)228 mm (9.0 inches)91%extreme
September Weather25°C (77°F)240 mm (9.5 inches)84%extreme
October Weather20°C (67°F)233 mm (9.2 inches)83%high
November Weather14°C (57°F)51 mm (2.0 inches)81%high
December Weather8°C (47°F)52 mm (2.0 inches)79%moderate

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