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December Weather in Otofuke, Japan

Last updated: August 23, 2025

In Otofuke, Japan, the average temperature in December hovers around -4°C (25°F). Expect chilly days with a minimum dipping to -19°C (-3°F) and a maximum reaching 13°C (56°F). Precipitation is moderate, with about 50 mm (2.0 in) spread over 6 days. Overall, the atmosphere is quite humid, with an average humidity of 79%.

December Temperature in Otofuke

In December in Otofuke, the average temperature is -4°C (25°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -19°C (-3°F). Travelers should be prepared for chilly conditions and dress in layers to stay comfortable.

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

The chart illustrates December temperature patterns in Otofuke, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otofuke, December typically has an average temperature of -4°C (25°F), with highs reaching up to 13°C (56°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec182032435459666762513825
Data source: Temperature data for Otofuke 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 Otofuke

In Otofuke in December, the precipitation amount is 50 mm (2.0 in) over the course of 6 days.

December Precipitation Trends in Otofuke

The chart displays monthly precipitation patterns in Otofuke, 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 Otofuke, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4749908890115981781381678550
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Otofuke

In Otofuke in December, humidity is 79%. With an average temperature of -4°C (25°F), this humidity feels like an icy chill wrapping around you, making travel feel brisk and invigorating, yet surprisingly damp, so be prepared for the cold to cling to your clothes and skin.

December Average Humidity in Otofuke

This chart illustrates the average monthly humidity levels in Otofuke, 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 Otofuke is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Otofuke

In Otofuke 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 Otofuke, you can visit Hourly UV Index in Otofuke.

Maximum UV Index Levels in Otofuke for December

The chart shows the monthly maximum UV Index (UVI) for Otofuke 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 Otofuke typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235891010108532
Data source: Otofuke 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 Otofuke Compares to Other Months

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

This table compares monthly weather conditions in Otofuke, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)47 mm (1.8 inches)84%low
February Weather-7°C (20°F)49 mm (1.9 inches)83%moderate
March Weather0°C (32°F)90 mm (3.5 inches)83%moderate
April Weather6°C (44°F)87 mm (3.4 inches)83%very high
May Weather12°C (55°F)90 mm (3.6 inches)86%very high
June Weather15°C (60°F)115 mm (4.5 inches)88%very high
July Weather19°C (67°F)98 mm (3.9 inches)93%very high
August Weather20°C (67°F)178 mm (7.0 inches)96%very high
September Weather16°C (62°F)138 mm (5.4 inches)89%very high
October Weather10°C (51°F)167 mm (6.6 inches)83%moderate
November Weather4°C (39°F)85 mm (3.3 inches)80%moderate
December Weather-4°C (25°F)50 mm (2.0 inches)79%low

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