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December Weather in Chuo, Japan

Last updated: August 23, 2025

During December, the average temperature in Chuo, Japan hovers around 2°C (36°F). While you might experience a chilly minimum of -9°C (16°F), the mercury can rise to a pleasant 18°C (64°F) on warmer days. Expect about 70 mm (2.8 in) of precipitation spread over 8 days, and don’t forget the average humidity level of 78%, which adds to that crisp atmosphere!

December Temperature in Chuo

In December in Chuo, the average temperature is 2°C (36°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -9°C (16°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and milder weather.

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

The chart illustrates December temperature patterns in Chuo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chuo, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (64°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec323341495864717366564636
Data source: Temperature data for Chuo 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 Chuo

In Chuo in December, the total precipitation amount is 70 mm (2.8 in), spread over the course of 8 days.

December Precipitation Trends in Chuo

The chart displays monthly precipitation patterns in Chuo, 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 Chuo, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec60761821771822184122162413457870
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chuo

In Chuo in December, humidity is 78%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that seeps into your bones, making outdoor travel uncomfortable and necessitating heavy layers to stay warm while navigating the damp air.

December Average Humidity in Chuo

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

In Chuo 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 Chuo for better planning.

Maximum UV Index Levels in Chuo for December

The chart shows the monthly maximum UV Index (UVI) for Chuo 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 Chuo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101112121210764
Data source: Chuo 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 Chuo Compares to Other Months

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

This table compares monthly weather conditions in Chuo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)59 mm (2.3 inches)76%moderate
February Weather1°C (34°F)76 mm (3.0 inches)74%high
March Weather5°C (42°F)182 mm (7.2 inches)70%very high
April Weather9°C (49°F)177 mm (7.0 inches)74%very high
May Weather15°C (58°F)182 mm (7.1 inches)81%extreme
June Weather18°C (64°F)218 mm (8.6 inches)88%extreme
July Weather22°C (71°F)412 mm (16.2 inches)93%extreme
August Weather23°C (74°F)216 mm (8.5 inches)90%extreme
September Weather19°C (66°F)240 mm (9.5 inches)86%very high
October Weather14°C (57°F)345 mm (13.6 inches)83%high
November Weather8°C (46°F)78 mm (3.1 inches)80%high
December Weather2°C (36°F)70 mm (2.8 inches)78%moderate

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