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December Weather in Kamisu, Japan

Last updated: August 23, 2025

In Kamisu, Japan, the average temperature in December hovers around 10°C (51°F). Expect a minimum chilling down to 3°C (37°F) and warming up to a pleasant 21°C (69°F). During this month, you can anticipate about 93 mm (3.7 in) of precipitation spread across 10 days, with an average humidity of 72%.

December Temperature in Kamisu

In December in Kamisu, the average temperature is 10°C (51°F). Maximums can reach 21°C (69°F), and minimums can be as low as 3°C (37°F). This mild weather makes Kamisu a pleasant destination for travelers looking to explore without extreme temperatures.

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

The chart illustrates December temperature patterns in Kamisu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamisu, December typically has an average temperature of 10°C (51°F), with highs reaching up to 21°C (69°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec464652576569757975686051
Data source: Temperature data for Kamisu 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 Kamisu

In Kamisu in December, the precipitation amount is 93 mm (3.7 in) over the course of 10 days.

December Precipitation Trends in Kamisu

The chart displays monthly precipitation patterns in Kamisu, 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 Kamisu, December typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec64601631281521741969718227912793
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kamisu

In Kamisu in December, humidity is 72%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less comfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Kamisu

This chart illustrates the average monthly humidity levels in Kamisu, 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 Kamisu is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%69%68%73%81%88%94%87%83%78%74%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kamisu

In Kamisu 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 Kamisu, you can check the information here.

Maximum UV Index Levels in Kamisu for December

The chart shows the monthly maximum UV Index (UVI) for Kamisu 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 Kamisu typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109753
Data source: Kamisu 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 Kamisu Compares to Other Months

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

This table compares monthly weather conditions in Kamisu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)64 mm (2.5 inches)70%moderate
February Weather8°C (47°F)60 mm (2.4 inches)69%moderate
March Weather11°C (52°F)163 mm (6.4 inches)68%high
April Weather14°C (57°F)128 mm (5.1 inches)73%very high
May Weather18°C (65°F)152 mm (6.0 inches)81%extreme
June Weather21°C (70°F)174 mm (6.9 inches)88%extreme
July Weather24°C (76°F)196 mm (7.7 inches)94%extreme
August Weather26°C (79°F)97 mm (3.8 inches)87%very high
September Weather24°C (75°F)182 mm (7.2 inches)83%very high
October Weather20°C (68°F)279 mm (11.0 inches)78%high
November Weather15°C (60°F)127 mm (5.0 inches)74%moderate
December Weather10°C (51°F)93 mm (3.7 inches)72%moderate

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