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December Weather in Ofunato, Japan

Last updated: August 23, 2025

In December, the average temperature in Ofunato, Japan is a cool 4°C (40°F). Expect a range with minimums dipping to -4°C (25°F) and maximums reaching up to 16°C (60°F). The weather brings about 68 mm (2.7 in) of precipitation over 11 days, contributing to an average humidity of 80%.

December Temperature in Ofunato

In December in Ofunato, the average temperature is 4°C (40°F). Maximums can reach 16°C (60°F), and minimums can drop as low as -4°C (25°F). Travelers should prepare for chilly weather with the possibility of fluctuating temperatures, making warm clothing essential.

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

The chart illustrates December temperature patterns in Ofunato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ofunato, December typically has an average temperature of 4°C (40°F), with highs reaching up to 16°C (60°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec363641475662697369605040
Data source: Temperature data for Ofunato 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 Ofunato

In Ofunato in December, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.

December Precipitation Trends in Ofunato

The chart displays monthly precipitation patterns in Ofunato, 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 Ofunato, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec46511171241231261831941622185668
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ofunato

In Ofunato in December, humidity is 80%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring careful planning for warmth and moisture management.

December Average Humidity in Ofunato

This chart illustrates the average monthly humidity levels in Ofunato, 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 Ofunato is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ofunato

In Ofunato in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Ofunato, you can check the information here.

Maximum UV Index Levels in Ofunato for December

The chart shows the monthly maximum UV Index (UVI) for Ofunato 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 Ofunato typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891110109643
Data source: Ofunato 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 Ofunato Compares to Other Months

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

This table compares monthly weather conditions in Ofunato, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)46 mm (1.8 inches)80%moderate
February Weather2°C (36°F)51 mm (2.0 inches)79%moderate
March Weather5°C (42°F)117 mm (4.6 inches)77%high
April Weather9°C (48°F)124 mm (4.9 inches)75%very high
May Weather13°C (56°F)123 mm (4.8 inches)80%very high
June Weather17°C (62°F)126 mm (5.0 inches)87%extreme
July Weather21°C (69°F)183 mm (7.2 inches)92%very high
August Weather23°C (73°F)194 mm (7.6 inches)92%very high
September Weather20°C (69°F)162 mm (6.4 inches)86%very high
October Weather16°C (61°F)218 mm (8.6 inches)82%high
November Weather10°C (50°F)56 mm (2.2 inches)79%moderate
December Weather4°C (40°F)68 mm (2.7 inches)80%moderate

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