December Weather in Ozu, Japan

Last updated: August 23, 2025

In December, the average temperature in Ozu, Japan hovers around 9°C (48°F). Expect minimum temperatures to dip to -1°C (31°F) and maximums peaking at 23°C (74°F). During this month, the region also receives approximately 64 mm (2.5 in) of precipitation over 8 days, contributing to an average humidity level of 79%.

December Temperature in Ozu

In December in Ozu, the average temperature is 9°C (48°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as -1°C (31°F). This makes it a great time for travelers to experience a range of weather, so be sure to pack accordingly.

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

The chart illustrates December temperature patterns in Ozu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ozu, December typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Ozu generated using information from the Copernicus Climate Change Service.

December Precipitation in Ozu

In Ozu in December, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

December Precipitation Trends in Ozu

The chart displays monthly precipitation patterns in Ozu, 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 Ozu, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Ozu

In Ozu in December humidity is 79%. With an average temperature of 9°C (48°F), this humidity feels like a chilly mist wrapping around you, making outdoor activities brisk yet invigorating, but it can also leave you feeling damp and slightly chilled if you're not dressed appropriately for the conditions.

December Average Humidity in Ozu

This chart illustrates the average monthly humidity levels in Ozu, 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 Ozu is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ozu

In Ozu 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 Ozu for better planning.

Maximum UV Index Levels in Ozu for December

The chart shows the monthly maximum UV Index (UVI) for Ozu 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 Ozu typically reaches 4, which falls under the moderate exposure category.

Data source: Ozu 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 Ozu Compares to Other Months

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

This table compares monthly weather conditions in Ozu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	53 mm (2.1 inches)	75%	moderate
February Weather	7°C (45°F)	84 mm (3.3 inches)	71%	high
March Weather	11°C (53°F)	129 mm (5.1 inches)	71%	very high
April Weather	15°C (60°F)	126 mm (4.9 inches)	78%	very high
May Weather	20°C (68°F)	149 mm (5.9 inches)	84%	extreme
June Weather	23°C (74°F)	204 mm (8.0 inches)	86%	extreme
July Weather	27°C (80°F)	353 mm (13.9 inches)	92%	extreme
August Weather	28°C (83°F)	184 mm (7.3 inches)	91%	extreme
September Weather	25°C (77°F)	187 mm (7.3 inches)	84%	very high
October Weather	20°C (68°F)	191 mm (7.5 inches)	83%	high
November Weather	14°C (57°F)	59 mm (2.3 inches)	81%	high
December Weather	9°C (48°F)	64 mm (2.5 inches)	79%	moderate