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December Weather in Soja, Japan

Last updated: August 23, 2025

In December, the average temperature in Soja, Japan hovers around 7°C (44°F). Climate extremes can be experienced, with minimums dipping to -2°C (28°F) and soaring up to 20°C (68°F). Expect approximately 47 mm (1.9 in) of precipitation over about 5 days, contributing to an average humidity level of 82%—perfect for a cozy atmosphere!

December Temperature in Soja

In December in Soja, the average temperature is 7°C (44°F). Maximums can reach 20°C (68°F), and minimums can be as low as -2°C (28°F). This means travelers should prepare for a mix of mild and chilly weather, making layers essential for comfort throughout the day.

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

The chart illustrates December temperature patterns in Soja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soja, December typically has an average temperature of 7°C (44°F), with highs reaching up to 20°C (68°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec404149576773808375655344
Data source: Temperature data for Soja 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 Soja

In Soja in December, the precipitation amount is 47 mm (1.9 in) spread over a duration of 5 days.

December Precipitation Trends in Soja

The chart displays monthly precipitation patterns in Soja, 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 Soja, December typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3549981281151623131992171743247
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Soja

In Soja in December, humidity is 82%. With an average temperature of 7°C (44°F), this humidity feels like an unwelcoming chill that seeps into your bones, making outdoor exploration feel damp and cumbersome.

December Average Humidity in Soja

This chart illustrates the average monthly humidity levels in Soja, 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 Soja is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Soja

In Soja 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 Soja for better planning.

Maximum UV Index Levels in Soja for December

The chart shows the monthly maximum UV Index (UVI) for Soja 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 Soja typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210754
Data source: Soja 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 Soja Compares to Other Months

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

This table compares monthly weather conditions in Soja, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)35 mm (1.4 inches)82%moderate
February Weather5°C (42°F)49 mm (1.9 inches)79%high
March Weather10°C (49°F)98 mm (3.9 inches)73%very high
April Weather14°C (58°F)128 mm (5.0 inches)74%very high
May Weather19°C (67°F)115 mm (4.5 inches)84%extreme
June Weather23°C (73°F)162 mm (6.4 inches)86%extreme
July Weather27°C (80°F)313 mm (12.3 inches)92%extreme
August Weather28°C (83°F)199 mm (7.8 inches)92%extreme
September Weather24°C (75°F)217 mm (8.5 inches)87%very high
October Weather18°C (65°F)174 mm (6.8 inches)85%high
November Weather12°C (53°F)32 mm (1.2 inches)84%moderate
December Weather7°C (44°F)47 mm (1.9 inches)82%moderate

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