December Weather in Muko, Japan

Last updated: August 23, 2025

In December, the average temperature in Muko, Japan hovers around 6°C (43°F). Visitors can expect a range from a chilly -9°C (17°F) to a mild 21°C (71°F). With an average precipitation of 66 mm (2.6 in) over 9 days, and humidity levels at a high 83%, be prepared for a mix of wet and cool conditions that define this season.

December Temperature in Muko

In December in Muko, the average temperature is 6°C (43°F). The maximum can reach 21°C (71°F), while the minimum can drop as low as -9°C (17°F). Be prepared for a wide range of temperatures when planning your travels.

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

The chart illustrates December temperature patterns in Muko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muko, December typically has an average temperature of 6°C (43°F), with highs reaching up to 21°C (71°F) and lows dropping to around -9°C (17°F).

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

December Precipitation in Muko

In Muko in December, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

December Precipitation Trends in Muko

The chart displays monthly precipitation patterns in Muko, 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 Muko, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 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 Muko

In Muko in December, humidity is 83%. With an average temperature of 6°C (43°F), this humidity feels like a brisk chill that can make you feel colder than the actual temperature, often leading to a damp and uncomfortable experience for traveling.

December Average Humidity in Muko

This chart illustrates the average monthly humidity levels in Muko, 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 Muko is approximately 83%, 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 Muko

In Muko in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Muko, you can check the information here.

Maximum UV Index Levels in Muko for December

The chart shows the monthly maximum UV Index (UVI) for Muko 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 Muko typically reaches 3, which falls under the moderate exposure category.

Data source: Muko 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 Muko Compares to Other Months

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

This table compares monthly weather conditions in Muko, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	56 mm (2.2 inches)	82%	moderate
February Weather	4°C (40°F)	62 mm (2.5 inches)	79%	high
March Weather	9°C (48°F)	125 mm (4.9 inches)	74%	very high
April Weather	13°C (56°F)	157 mm (6.2 inches)	76%	very high
May Weather	18°C (66°F)	154 mm (6.1 inches)	83%	extreme
June Weather	22°C (72°F)	161 mm (6.3 inches)	87%	extreme
July Weather	26°C (79°F)	324 mm (12.7 inches)	93%	extreme
August Weather	28°C (82°F)	228 mm (9.0 inches)	91%	extreme
September Weather	23°C (75°F)	172 mm (6.8 inches)	87%	very high
October Weather	18°C (64°F)	246 mm (9.7 inches)	85%	high
November Weather	12°C (53°F)	47 mm (1.8 inches)	83%	moderate
December Weather	6°C (43°F)	66 mm (2.6 inches)	83%	moderate