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December Weather in Kamikawa, Japan

Last updated: August 23, 2025

In December, the average temperature in Kamikawa, Japan is a cool 6°C (44°F). While temperatures can dip as low as -6°C (22°F), they can also reach up to 20°C (69°F). Expect an average precipitation of 59 mm (2.3 in) spread over 7 days, accompanied by a high average humidity of 82%.

December Temperature in Kamikawa

In December in Kamikawa, the average temperature is 6°C (44°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -6°C (22°F). Be sure to pack layers for your trip, as the weather can vary significantly throughout the day.

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

The chart illustrates December temperature patterns in Kamikawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamikawa, December typically has an average temperature of 6°C (44°F), with highs reaching up to 20°C (69°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148566572798274655444
Data source: Temperature data for Kamikawa 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 Kamikawa

In Kamikawa in December, the precipitation amount is 59 mm (2.3 in) over a span of 7 days.

December Precipitation Trends in Kamikawa

The chart displays monthly precipitation patterns in Kamikawa, 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 Kamikawa, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec44551161341251613362412402204159
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kamikawa

In Kamikawa in December humidity is 82%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that settles into your bones, making travel uncomfortable as every step feels heavy with moisture and the cool air seems to cling to your skin.

December Average Humidity in Kamikawa

This chart illustrates the average monthly humidity levels in Kamikawa, 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 Kamikawa is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kamikawa

In Kamikawa 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 Kamikawa, you can check the information here.

Maximum UV Index Levels in Kamikawa for December

The chart shows the monthly maximum UV Index (UVI) for Kamikawa 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 Kamikawa typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210753
Data source: Kamikawa 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 Kamikawa Compares to Other Months

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

This table compares monthly weather conditions in Kamikawa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)44 mm (1.7 inches)82%moderate
February Weather5°C (41°F)55 mm (2.2 inches)79%high
March Weather9°C (49°F)116 mm (4.5 inches)73%very high
April Weather14°C (57°F)134 mm (5.3 inches)74%very high
May Weather19°C (66°F)125 mm (4.9 inches)84%extreme
June Weather22°C (72°F)161 mm (6.3 inches)86%extreme
July Weather26°C (79°F)336 mm (13.2 inches)92%extreme
August Weather28°C (82°F)241 mm (9.5 inches)92%extreme
September Weather24°C (75°F)240 mm (9.4 inches)87%very high
October Weather18°C (65°F)220 mm (8.7 inches)85%high
November Weather12°C (54°F)41 mm (1.6 inches)84%moderate
December Weather6°C (44°F)59 mm (2.3 inches)82%moderate

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