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December Weather in Kaizuka, Japan

Last updated: August 23, 2025

In December, the average temperature in Kaizuka, Japan hovers around 9°C (48°F), with a range that can dip to a brisk 1°C (34°F) or rise to a pleasant 21°C (71°F). Expect about 61 mm (2.4 in) of precipitation spread over 6 days, contributing to an average humidity of 83%. Stay prepared for a mix of cool air and potential showers!

December Temperature in Kaizuka

In December in Kaizuka, the average temperature is 9°C (48°F). The maximum can reach 21°C (71°F), while the minimum can drop to as low as 1°C (34°F). It's a great time to explore Kaizuka, so be prepared for a mix of mild and cooler temperatures.

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

The chart illustrates December temperature patterns in Kaizuka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaizuka, December typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (71°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec434451596874818578685748
Data source: Temperature data for Kaizuka 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 Kaizuka

In Kaizuka in December, the total precipitation amount is 61 mm (2.4 in) spread over a period of 6 days.

December Precipitation Trends in Kaizuka

The chart displays monthly precipitation patterns in Kaizuka, 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 Kaizuka, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec49601031191421622861701822364961
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kaizuka

In Kaizuka in December humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.

December Average Humidity in Kaizuka

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

In Kaizuka in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Kaizuka for better planning.

Maximum UV Index Levels in Kaizuka for December

The chart shows the monthly maximum UV Index (UVI) for Kaizuka 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 Kaizuka typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111111110754
Data source: Kaizuka 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 Kaizuka Compares to Other Months

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

This table compares monthly weather conditions in Kaizuka, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)49 mm (1.9 inches)82%moderate
February Weather7°C (44°F)60 mm (2.4 inches)79%moderate
March Weather11°C (52°F)103 mm (4.0 inches)74%very high
April Weather15°C (60°F)119 mm (4.7 inches)76%extreme
May Weather20°C (68°F)142 mm (5.6 inches)83%extreme
June Weather23°C (74°F)162 mm (6.4 inches)87%extreme
July Weather27°C (82°F)286 mm (11.3 inches)93%extreme
August Weather29°C (85°F)170 mm (6.7 inches)91%extreme
September Weather25°C (78°F)182 mm (7.2 inches)87%very high
October Weather20°C (68°F)236 mm (9.3 inches)85%high
November Weather14°C (57°F)49 mm (1.9 inches)83%moderate
December Weather9°C (48°F)61 mm (2.4 inches)83%moderate

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