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December Weather in Honcho, Japan

Last updated: August 23, 2025

In December, the average temperature in Honcho, Japan hovers around 0°C (32°F). Expect a minimum of -10°C (15°F) and a maximum of 12°C (55°F). Precipitation is moderate, with an average of 71 mm (2.8 in) spread over 13 days, and the average humidity sits at a comfortable 77%.

December Temperature in Honcho

In December in Honcho, the average temperature is 0°C (32°F). Maximums can reach 12°C (55°F), and minimums can drop as low as -10°C (15°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Honcho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honcho, December typically has an average temperature of 0°C (32°F), with highs reaching up to 12°C (55°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec282836445359677066564432
Data source: Temperature data for Honcho 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 Honcho

In Honcho in December, the total precipitation amount is 71 mm (2.8 in) occurring over the course of 13 days.

December Precipitation Trends in Honcho

The chart displays monthly precipitation patterns in Honcho, 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 Honcho, December typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec53658694931061111701651239571
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Honcho

In Honcho in December, humidity is 77%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that can make outdoor activities uncomfortable and travel less enjoyable, as the moisture in the air clings to your skin, leaving you feeling colder than the temperature suggests.

December Average Humidity in Honcho

This chart illustrates the average monthly humidity levels in Honcho, 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 Honcho is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Honcho

In Honcho in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Honcho, you can visit Hourly UV Index in Honcho.

Maximum UV Index Levels in Honcho for December

The chart shows the monthly maximum UV Index (UVI) for Honcho 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 Honcho typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245891010118632
Data source: Honcho 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 Honcho Compares to Other Months

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

This table compares monthly weather conditions in Honcho, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)53 mm (2.1 inches)79%low
February Weather-2°C (28°F)65 mm (2.6 inches)78%moderate
March Weather2°C (36°F)85 mm (3.4 inches)77%moderate
April Weather6°C (44°F)94 mm (3.7 inches)78%very high
May Weather12°C (53°F)93 mm (3.7 inches)86%very high
June Weather15°C (59°F)106 mm (4.2 inches)91%very high
July Weather19°C (67°F)111 mm (4.4 inches)95%very high
August Weather21°C (70°F)170 mm (6.7 inches)97%extreme
September Weather19°C (66°F)164 mm (6.5 inches)89%very high
October Weather13°C (56°F)123 mm (4.8 inches)81%high
November Weather7°C (45°F)95 mm (3.8 inches)78%moderate
December Weather0°C (32°F)71 mm (2.8 inches)77%low

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