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December Weather in Rifu, Japan

Last updated: August 23, 2025

In Rifu, Japan, the average temperature in December hovers around 5°C (42°F), with daily highs reaching up to 15°C (60°F) and lows dipping as low as -2°C (28°F). Expect a total precipitation of 58 mm (2.3 in) spread across 11 days, accompanied by an average humidity of 80%. Be prepared for a cool and moist atmosphere!

December Temperature in Rifu

In December in Rifu, the average temperature is 5°C (42°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -2°C (28°F). Be prepared for chilly weather, and make sure to pack layers to stay comfortable while exploring the area.

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

The chart illustrates December temperature patterns in Rifu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rifu, December typically has an average temperature of 5°C (42°F), with highs reaching up to 15°C (60°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec373844506066737771625241
Data source: Temperature data for Rifu 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 Rifu

In Rifu in December, the precipitation amount is 58 mm (2.3 in) over the course of 11 days.

December Precipitation Trends in Rifu

The chart displays monthly precipitation patterns in Rifu, 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 Rifu, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5242114113111992272131642293958
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rifu

In Rifu in December humidity is 80%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that can seep into your bones, making outdoor adventures uncomfortable and urging travelers to seek warm shelter often.

December Average Humidity in Rifu

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

In Rifu 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 Rifu, you can check the information here.

Maximum UV Index Levels in Rifu for December

The chart shows the monthly maximum UV Index (UVI) for Rifu 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 Rifu typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101011119643
Data source: Rifu 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 Rifu Compares to Other Months

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

This table compares monthly weather conditions in Rifu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)52 mm (2.0 inches)80%moderate
February Weather3°C (38°F)42 mm (1.7 inches)79%moderate
March Weather7°C (44°F)114 mm (4.5 inches)77%high
April Weather10°C (51°F)113 mm (4.5 inches)75%very high
May Weather16°C (61°F)111 mm (4.4 inches)80%very high
June Weather19°C (67°F)99 mm (3.9 inches)87%very high
July Weather23°C (74°F)227 mm (8.9 inches)92%extreme
August Weather25°C (77°F)213 mm (8.4 inches)92%extreme
September Weather22°C (72°F)163 mm (6.4 inches)86%very high
October Weather17°C (62°F)229 mm (9.0 inches)82%high
November Weather11°C (52°F)39 mm (1.5 inches)79%moderate
December Weather5°C (42°F)58 mm (2.3 inches)80%moderate

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