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December Weather in Hitoyoshi, Japan

Last updated: August 23, 2025

In December, the average temperature in Hitoyoshi, Japan hovers around 6°C (43°F). Expect chilly nights with a minimum dipping down to -4°C (25°F), while daytime highs can reach a pleasant 22°C (72°F). Be prepared for moderate precipitation, with about 86 mm (3.4 in) spread over 7 days, contributing to an average humidity of 79%.

December Temperature in Hitoyoshi

In December in Hitoyoshi, the average temperature is 6°C (43°F). The maximum can reach 22°C (72°F), while the minimum can be as low as -4°C (25°F). Be prepared for a range of weather conditions, making it essential to pack layers for your trip.

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

The chart illustrates December temperature patterns in Hitoyoshi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitoyoshi, December typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (72°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec404251586571777974655343
Data source: Temperature data for Hitoyoshi 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 Hitoyoshi

In Hitoyoshi in December, the total precipitation amount is 86 mm (3.4 in) over a span of 7 days.

December Precipitation Trends in Hitoyoshi

The chart displays monthly precipitation patterns in Hitoyoshi, 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 Hitoyoshi, December typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec631091601532423584592302261459286
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hitoyoshi

In Hitoyoshi in December, humidity is 79%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and urging travelers to seek warmer, more comfortable shelters.

December Average Humidity in Hitoyoshi

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

In Hitoyoshi 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 Hitoyoshi for better planning.

Maximum UV Index Levels in Hitoyoshi for December

The chart shows the monthly maximum UV Index (UVI) for Hitoyoshi 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 Hitoyoshi typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569101212131311864
Data source: Hitoyoshi 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 Hitoyoshi Compares to Other Months

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

This table compares monthly weather conditions in Hitoyoshi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)63 mm (2.5 inches)75%moderate
February Weather6°C (43°F)109 mm (4.3 inches)71%high
March Weather10°C (51°F)160 mm (6.3 inches)71%very high
April Weather14°C (58°F)153 mm (6.0 inches)78%very high
May Weather18°C (66°F)242 mm (9.5 inches)84%extreme
June Weather22°C (71°F)358 mm (14.1 inches)86%extreme
July Weather25°C (77°F)458 mm (18.0 inches)92%extreme
August Weather26°C (79°F)230 mm (9.0 inches)91%extreme
September Weather23°C (74°F)226 mm (8.9 inches)84%extreme
October Weather18°C (65°F)145 mm (5.7 inches)83%very high
November Weather12°C (53°F)92 mm (3.6 inches)81%high
December Weather6°C (43°F)86 mm (3.4 inches)79%moderate

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