December Weather in Hioki, Japan

Last updated: August 23, 2025

In December, the average temperature in Hioki, Japan is 12°C (54°F). Expect a minimum of 4°C (39°F) and a pleasant maximum of 24°C (75°F). While you enjoy the mild weather, be prepared for 101 mm (4.0 in) of precipitation over approximately 10 days. With an average humidity of 74%, it's a great time to experience the vibrant atmosphere of the season!

December Temperature in Hioki

In December in Hioki, the average temperature is 12°C (54°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as 4°C (39°F). This pleasant and mild climate makes Hioki a great destination for travelers looking to enjoy outdoor activities and sightseeing.

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

The chart illustrates December temperature patterns in Hioki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hioki, December typically has an average temperature of 12°C (54°F), with highs reaching up to 24°C (75°F) and lows dropping to around 4°C (39°F).

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

December Precipitation in Hioki

In Hioki in December, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

December Precipitation Trends in Hioki

The chart displays monthly precipitation patterns in Hioki, 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 Hioki, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 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 Hioki

In Hioki in December, humidity is 74%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

December Average Humidity in Hioki

This chart illustrates the average monthly humidity levels in Hioki, 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 Hioki is approximately 74%, 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 Hioki

In Hioki 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 Hioki for better planning.

Maximum UV Index Levels in Hioki for December

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

Data source: Hioki 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 Hioki Compares to Other Months

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

This table compares monthly weather conditions in Hioki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	67 mm (2.6 inches)	72%	moderate
February Weather	11°C (52°F)	121 mm (4.7 inches)	68%	high
March Weather	14°C (58°F)	188 mm (7.4 inches)	72%	very high
April Weather	17°C (63°F)	160 mm (6.3 inches)	79%	extreme
May Weather	21°C (69°F)	271 mm (10.7 inches)	83%	extreme
June Weather	24°C (75°F)	411 mm (16.2 inches)	86%	extreme
July Weather	27°C (81°F)	418 mm (16.4 inches)	90%	extreme
August Weather	28°C (83°F)	206 mm (8.1 inches)	85%	extreme
September Weather	26°C (79°F)	278 mm (11.0 inches)	80%	extreme
October Weather	22°C (72°F)	143 mm (5.6 inches)	78%	very high
November Weather	17°C (63°F)	116 mm (4.6 inches)	76%	high
December Weather	12°C (54°F)	101 mm (4.0 inches)	74%	moderate