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December Weather in Yakage, Japan

Last updated: August 23, 2025

In December, the average temperature in Yakage, Japan hovers around 6°C (43°F). Expect a chilly minimum of -2°C (28°F), but enjoy the warmer highs reaching up to 19°C (67°F). While you're out exploring, be prepared for 52 mm (2.0 in) of precipitation over about 7 days, and don't forget that the average humidity is a cozy 82%!

December Temperature in Yakage

In December in Yakage, the average temperature is 6°C (43°F). The maximum can reach 19°C (67°F), while the minimum can drop as low as -2°C (28°F). This means travelers should be prepared for a range of temperatures, making layered clothing a must for comfort during your visit.

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

The chart illustrates December temperature patterns in Yakage, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yakage, December typically has an average temperature of 6°C (43°F), with highs reaching up to 19°C (67°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec394048566571788173635242
Data source: Temperature data for Yakage 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 Yakage

In Yakage in December, the precipitation amount is 52 mm (2.0 in) over a duration of 7 days.

December Precipitation Trends in Yakage

The chart displays monthly precipitation patterns in Yakage, 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 Yakage, December typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec41521041281151753512272271783552
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yakage

In Yakage in December, humidity is 82%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more uncomfortable, as the heavy air can leave you feeling sluggish and fatigued during your travels.

December Average Humidity in Yakage

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

In Yakage 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 Yakage for better planning.

Maximum UV Index Levels in Yakage for December

The chart shows the monthly maximum UV Index (UVI) for Yakage 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 Yakage typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210754
Data source: Yakage 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 Yakage Compares to Other Months

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

This table compares monthly weather conditions in Yakage, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)41 mm (1.6 inches)82%moderate
February Weather5°C (40°F)52 mm (2.1 inches)79%high
March Weather9°C (48°F)104 mm (4.1 inches)73%very high
April Weather13°C (56°F)128 mm (5.1 inches)74%very high
May Weather18°C (66°F)115 mm (4.5 inches)84%extreme
June Weather22°C (71°F)175 mm (6.9 inches)86%extreme
July Weather26°C (79°F)351 mm (13.8 inches)92%extreme
August Weather27°C (82°F)227 mm (8.9 inches)92%extreme
September Weather23°C (74°F)227 mm (8.9 inches)87%very high
October Weather17°C (63°F)178 mm (7.0 inches)85%high
November Weather11°C (52°F)35 mm (1.4 inches)84%moderate
December Weather6°C (43°F)52 mm (2.0 inches)82%moderate

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