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December Weather in Shizukuishi, Japan

Last updated: August 23, 2025

In December, the average temperature in Shizukuishi, Japan hovers around -2°C (30°F). While the minimum can drop to a chilly -15°C (4°F), the maximum reaches a milder 11°C (53°F). Expect 122 mm (4.8 in) of precipitation over approximately 21 days, accompanied by an average humidity of 80%. Prepare for the winter weather!

December Temperature in Shizukuishi

In December in Shizukuishi, the average temperature is -2°C (30°F), with a maximum that can reach 11°C (53°F) and a minimum that can drop as low as -15°C (4°F). Travelers should be prepared for chilly conditions and dress warmly to fully enjoy the sights and activities.

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

The chart illustrates December temperature patterns in Shizukuishi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shizukuishi, December typically has an average temperature of -2°C (30°F), with highs reaching up to 11°C (53°F) and lows dropping to around -15°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec242634445662707264534129
Data source: Temperature data for Shizukuishi 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 Shizukuishi

In Shizukuishi in December, the precipitation amount is 122 mm (4.8 in) during a total of 21 days.

December Precipitation Trends in Shizukuishi

The chart displays monthly precipitation patterns in Shizukuishi, 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 Shizukuishi, December typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec84112121143120139192184138166103122
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Shizukuishi

In Shizukuishi in December humidity is 80%. With an average temperature of -2°C (30°F), this humidity feels like walking through a heavy, damp fog that clings to your skin, making any outdoor activity feel exhausting and uncomfortable.

December Average Humidity in Shizukuishi

This chart illustrates the average monthly humidity levels in Shizukuishi, 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 Shizukuishi is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Shizukuishi

In Shizukuishi 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 Shizukuishi, you can check the information here.

Maximum UV Index Levels in Shizukuishi for December

The chart shows the monthly maximum UV Index (UVI) for Shizukuishi 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 Shizukuishi typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991010119643
Data source: Shizukuishi 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 Shizukuishi Compares to Other Months

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

This table compares monthly weather conditions in Shizukuishi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)84 mm (3.3 inches)80%moderate
February Weather-4°C (26°F)112 mm (4.4 inches)79%moderate
March Weather1°C (34°F)120 mm (4.7 inches)77%high
April Weather7°C (44°F)143 mm (5.6 inches)75%very high
May Weather13°C (56°F)120 mm (4.7 inches)80%very high
June Weather17°C (63°F)139 mm (5.5 inches)87%very high
July Weather21°C (71°F)192 mm (7.6 inches)92%very high
August Weather22°C (72°F)184 mm (7.3 inches)92%extreme
September Weather18°C (65°F)138 mm (5.4 inches)86%very high
October Weather12°C (53°F)166 mm (6.5 inches)82%high
November Weather5°C (42°F)103 mm (4.1 inches)79%moderate
December Weather-2°C (30°F)122 mm (4.8 inches)80%moderate

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