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December Weather in Kariya, Japan

Last updated: August 23, 2025

In December, the average temperature in Kariya, Japan hovers around 8°C (47°F). Visitors can expect a minimum of -1°C (30°F) and a pleasant maximum of 21°C (70°F) during this time. The area experiences an average precipitation of 51 mm (2.0 in) over about 5 days, while the humidity levels are relatively high, averaging 83%.

December Temperature in Kariya

In December in Kariya, the average temperature is 8°C (47°F). Maximums can reach 21°C (70°F) and minimums can be as low as -1°C (30°F). Be prepared for a range of temperatures, making layered clothing a smart choice for your travels.

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

The chart illustrates December temperature patterns in Kariya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kariya, December typically has an average temperature of 8°C (47°F), with highs reaching up to 21°C (70°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec424452606874818477675647
Data source: Temperature data for Kariya 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 Kariya

In Kariya in December, the precipitation amount is 51 mm (2.0 in) over a period of 5 days.

December Precipitation Trends in Kariya

The chart displays monthly precipitation patterns in Kariya, 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 Kariya, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec43541301321701503081681612345551
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kariya

In Kariya in December humidity is 83%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making travel uncomfortable and leaving you yearning for warmth and dryness as you explore.

December Average Humidity in Kariya

This chart illustrates the average monthly humidity levels in Kariya, 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 Kariya is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kariya

In Kariya 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 Kariya, you can check the information here.

Maximum UV Index Levels in Kariya for December

The chart shows the monthly maximum UV Index (UVI) for Kariya 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 Kariya typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Kariya 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 Kariya Compares to Other Months

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

This table compares monthly weather conditions in Kariya, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)43 mm (1.7 inches)82%moderate
February Weather7°C (44°F)54 mm (2.1 inches)79%high
March Weather11°C (52°F)130 mm (5.1 inches)74%very high
April Weather15°C (60°F)132 mm (5.2 inches)76%very high
May Weather20°C (68°F)170 mm (6.7 inches)83%extreme
June Weather24°C (75°F)150 mm (5.9 inches)87%extreme
July Weather27°C (81°F)308 mm (12.1 inches)93%extreme
August Weather29°C (85°F)168 mm (6.6 inches)91%extreme
September Weather25°C (78°F)161 mm (6.3 inches)87%very high
October Weather20°C (68°F)234 mm (9.2 inches)85%high
November Weather13°C (57°F)55 mm (2.2 inches)83%moderate
December Weather8°C (47°F)51 mm (2.0 inches)83%moderate

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