December Weather in Owase, Japan

Last updated: August 23, 2025

In December, the average temperature in Owase, Japan is a mild 10°C (51°F), with fluctuations ranging from a chilly 2°C (36°F) to a pleasant 20°C (68°F). Expect 92 mm (3.6 in) of rainfall spread across 8 days, contributing to an average humidity of 74%. Prepare for a blend of crisp air and cozy moments!

December Temperature in Owase

In December in Owase, the average temperature is 10°C (51°F). Maximums can reach 20°C (68°F), and minimums can be as low as 2°C (36°F). This weather makes Owase a great destination for travelers seeking mild temperatures and the opportunity to enjoy outdoor activities.

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

The chart illustrates December temperature patterns in Owase, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Owase, December typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec464753596571778076686051
Data source: Temperature data for Owase 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 Owase

In Owase in December, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

December Precipitation Trends in Owase

The chart displays monthly precipitation patterns in Owase, 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 Owase, December typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec86812051732252903222283585489092
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Owase

In Owase in December humidity is 74%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable as the cold air clings to your skin, and you may find yourself wishing you had packed an extra layer to stay warm and dry.

December Average Humidity in Owase

This chart illustrates the average monthly humidity levels in Owase, 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 Owase is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%69%69%75%82%87%92%86%82%79%76%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Owase

In Owase 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 Owase for better planning.

Maximum UV Index Levels in Owase for December

The chart shows the monthly maximum UV Index (UVI) for Owase 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 Owase typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121110764
Data source: Owase 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 Owase Compares to Other Months

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

This table compares monthly weather conditions in Owase, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)85 mm (3.4 inches)72%moderate
February Weather8°C (47°F)81 mm (3.2 inches)69%high
March Weather12°C (53°F)205 mm (8.1 inches)69%very high
April Weather15°C (59°F)173 mm (6.8 inches)75%extreme
May Weather19°C (66°F)225 mm (8.8 inches)82%extreme
June Weather21°C (71°F)290 mm (11.4 inches)87%extreme
July Weather25°C (77°F)322 mm (12.7 inches)92%extreme
August Weather27°C (80°F)228 mm (9.0 inches)86%extreme
September Weather24°C (76°F)358 mm (14.1 inches)82%very high
October Weather20°C (68°F)548 mm (21.6 inches)79%high
November Weather15°C (60°F)90 mm (3.5 inches)75%high
December Weather10°C (51°F)92 mm (3.6 inches)74%moderate

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