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December Weather in Izumizaki, Japan

Last updated: August 23, 2025

In December, the average temperature in Izumizaki, Japan hovers around 2°C (37°F). However, you might experience a minimum of -6°C (22°F) and a maximum of 17°C (64°F). Expect about 62 mm (2.4 in) of precipitation spread over 12 days, contributing to an average humidity of 77%.

December Temperature in Izumizaki

In December in Izumizaki, the average temperature is 2°C (37°F). The maximum can reach 17°C (64°F) and the minimum can be as low as -6°C (22°F). Travelers should prepare for a mix of chilly weather and occasional warm spells, making it essential to pack layers and a good jacket.

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

The chart illustrates December temperature patterns in Izumizaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izumizaki, December typically has an average temperature of 2°C (37°F), with highs reaching up to 17°C (64°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec323441496066737668574736
Data source: Temperature data for Izumizaki 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 Izumizaki

In Izumizaki in December, the precipitation amount is 62 mm (2.4 in) spread over 12 days.

December Precipitation Trends in Izumizaki

The chart displays monthly precipitation patterns in Izumizaki, 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 Izumizaki, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec54471161061261282621261502104762
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Izumizaki

In Izumizaki in December humidity is 77%. With an average temperature of 2°C (37°F), this humidity feels like a cold, damp chill that penetrates your clothes, making travel uncomfortable and brisk.

December Average Humidity in Izumizaki

This chart illustrates the average monthly humidity levels in Izumizaki, 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 Izumizaki is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Izumizaki

In Izumizaki 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 Izumizaki, you can check the information here.

Maximum UV Index Levels in Izumizaki for December

The chart shows the monthly maximum UV Index (UVI) for Izumizaki 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 Izumizaki typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Izumizaki 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 Izumizaki Compares to Other Months

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

This table compares monthly weather conditions in Izumizaki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)54 mm (2.1 inches)76%moderate
February Weather1°C (34°F)47 mm (1.9 inches)75%moderate
March Weather5°C (41°F)116 mm (4.6 inches)72%high
April Weather10°C (50°F)106 mm (4.2 inches)73%very high
May Weather16°C (60°F)126 mm (4.9 inches)80%very high
June Weather19°C (66°F)128 mm (5.1 inches)87%extreme
July Weather23°C (74°F)261 mm (10.3 inches)92%extreme
August Weather24°C (76°F)126 mm (4.9 inches)90%extreme
September Weather20°C (68°F)150 mm (5.9 inches)84%very high
October Weather14°C (58°F)209 mm (8.2 inches)80%high
November Weather8°C (47°F)47 mm (1.8 inches)77%moderate
December Weather2°C (37°F)62 mm (2.4 inches)77%moderate

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