December Weather in Hiji, Japan

Last updated: August 23, 2025

In December, the average temperature in Hiji, Japan is a cool 8°C (46°F). While you might experience a chilly low of -1°C (31°F), it can also warm up to a pleasant 22°C (72°F) at times. Be prepared for some rain too, as the region typically sees about 53 mm (2.1 in) of precipitation over 6 days. With an average humidity of 79%, you'll likely feel the moisture in the air.

December Temperature in Hiji

In December in Hiji, the average temperature is 8°C (46°F), with maxima reaching 22°C (72°F) and minima dipping as low as -1°C (31°F). It's advisable to pack layers to stay comfortable while exploring.

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

The chart illustrates December temperature patterns in Hiji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hiji, December typically has an average temperature of 8°C (46°F), with highs reaching up to 22°C (72°F) and lows dropping to around -1°C (31°F).

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

December Precipitation in Hiji

In Hiji in December, the precipitation amount is 53 mm (2.1 in) over a span of 6 days.

December Precipitation Trends in Hiji

The chart displays monthly precipitation patterns in Hiji, 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 Hiji, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Hiji

In Hiji in December humidity is 79%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit less enjoyable and leading travelers to seek cozy, warm spots to regain their comfort.

December Average Humidity in Hiji

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

In Hiji 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 Hiji for better planning.

Maximum UV Index Levels in Hiji for December

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

Data source: Hiji 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 Hiji Compares to Other Months

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

This table compares monthly weather conditions in Hiji, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	52 mm (2.0 inches)	75%	moderate
February Weather	7°C (44°F)	67 mm (2.6 inches)	71%	high
March Weather	10°C (51°F)	116 mm (4.6 inches)	71%	very high
April Weather	14°C (58°F)	107 mm (4.2 inches)	78%	extreme
May Weather	19°C (67°F)	143 mm (5.6 inches)	84%	extreme
June Weather	23°C (73°F)	191 mm (7.5 inches)	86%	extreme
July Weather	26°C (80°F)	325 mm (12.8 inches)	92%	extreme
August Weather	28°C (82°F)	228 mm (9.0 inches)	91%	extreme
September Weather	24°C (76°F)	218 mm (8.6 inches)	84%	extreme
October Weather	19°C (67°F)	183 mm (7.2 inches)	83%	high
November Weather	13°C (56°F)	47 mm (1.8 inches)	81%	high
December Weather	8°C (46°F)	53 mm (2.1 inches)	79%	moderate