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December Weather in Shiranuka, Japan

Last updated: August 23, 2025

In Shiranuka, Japan, the average temperature in December hovers around -1°C (30°F). Expect chilly conditions with a minimum temperature dropping to -12°C (11°F) and a maximum reaching 12°C (54°F). During this month, 54 mm (2.1 in) of precipitation falls over approximately 6 days, contributing to an average humidity level of 79%. Prepare for a wintry experience!

December Temperature in Shiranuka

In December in Shiranuka, the average temperature is -1°C (30°F). Maximums can reach 12°C (54°F), while minimums can be as low as -12°C (11°F). It's a chilly time to visit, so be sure to pack warm clothing if you're planning a trip!

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

The chart illustrates December temperature patterns in Shiranuka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shiranuka, December typically has an average temperature of -1°C (30°F), with highs reaching up to 12°C (54°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec232332404954616461534229
Data source: Temperature data for Shiranuka 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 Shiranuka

In Shiranuka in December, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

December Precipitation Trends in Shiranuka

The chart displays monthly precipitation patterns in Shiranuka, 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 Shiranuka, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec464299851041121091661241968454
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Shiranuka

In Shiranuka in December, humidity is 79%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill in the air, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Shiranuka

This chart illustrates the average monthly humidity levels in Shiranuka, 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 Shiranuka is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Shiranuka

In Shiranuka in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Shiranuka, you can visit Hourly UV Index in Shiranuka.

Maximum UV Index Levels in Shiranuka for December

The chart shows the monthly maximum UV Index (UVI) for Shiranuka 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 Shiranuka typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23588101098532
Data source: Shiranuka 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 Shiranuka Compares to Other Months

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

This table compares monthly weather conditions in Shiranuka, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)46 mm (1.8 inches)84%low
February Weather-5°C (23°F)42 mm (1.6 inches)83%moderate
March Weather0°C (32°F)99 mm (3.9 inches)83%moderate
April Weather4°C (40°F)84 mm (3.3 inches)83%very high
May Weather9°C (49°F)104 mm (4.1 inches)86%very high
June Weather12°C (54°F)112 mm (4.4 inches)88%very high
July Weather16°C (62°F)109 mm (4.3 inches)93%very high
August Weather18°C (65°F)166 mm (6.5 inches)96%very high
September Weather16°C (62°F)124 mm (4.9 inches)89%very high
October Weather11°C (53°F)196 mm (7.7 inches)83%moderate
November Weather5°C (42°F)84 mm (3.3 inches)80%moderate
December Weather-1°C (30°F)54 mm (2.1 inches)79%low

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