December Weather in Uki, Japan

Last updated: August 23, 2025

In December, the average temperature in Uki, Japan hovers around 7°C (44°F). Expect a range from a chilly -2°C (28°F) to a mild 21°C (71°F). During this time, you can anticipate 87 mm (3.4 in) of precipitation over approximately 8 days, with an average humidity of 79%.

December Temperature in Uki

In December in Uki, the average temperature is 7°C (44°F). Maximums can reach 21°C (71°F), while minimums can drop as low as -2°C (28°F). Pack accordingly to enjoy a range of weather during your travels!

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

The chart illustrates December temperature patterns in Uki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uki, December typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (71°F) and lows dropping to around -2°C (28°F).

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

December Precipitation in Uki

In Uki in December, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 days.

December Precipitation Trends in Uki

The chart displays monthly precipitation patterns in Uki, 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 Uki, December typically receives around 87 mm (3.4 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 Uki

In Uki in December humidity is 79%. With an average temperature of 7°C (44°F), this humidity feels like a chilly embrace that makes traveling outdoors a brisk adventure, requiring extra layers to stay comfortable while exploring the sights.

December Average Humidity in Uki

This chart illustrates the average monthly humidity levels in Uki, 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 Uki 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 Uki

In Uki 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 Uki for better planning.

Maximum UV Index Levels in Uki for December

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

Data source: Uki 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 Uki Compares to Other Months

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

This table compares monthly weather conditions in Uki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	64 mm (2.5 inches)	75%	moderate
February Weather	6°C (43°F)	112 mm (4.4 inches)	71%	high
March Weather	10°C (51°F)	157 mm (6.2 inches)	71%	very high
April Weather	14°C (58°F)	150 mm (5.9 inches)	78%	very high
May Weather	19°C (66°F)	229 mm (9.0 inches)	84%	extreme
June Weather	22°C (72°F)	339 mm (13.4 inches)	86%	extreme
July Weather	25°C (78°F)	444 mm (17.5 inches)	92%	extreme
August Weather	26°C (80°F)	238 mm (9.4 inches)	91%	extreme
September Weather	23°C (74°F)	209 mm (8.2 inches)	84%	extreme
October Weather	18°C (65°F)	140 mm (5.5 inches)	83%	very high
November Weather	12°C (54°F)	85 mm (3.4 inches)	81%	high
December Weather	7°C (44°F)	87 mm (3.4 inches)	79%	moderate