December Weather in Hidaka, Japan

Last updated: August 23, 2025

In December, the average temperature in Hidaka, Japan hovers around 6°C (42°F). During this time, temperatures can dip to a chilly -4°C (25°F) or rise to a pleasant 19°C (67°F). Be prepared for about 46 mm (1.8 in) of precipitation spread over 6 days, contributing to an average humidity of 78%.

December Temperature in Hidaka

In December in Hidaka, the average temperature is 6°C (42°F). Maximum temperatures can reach 19°C (67°F), while the minimum can drop as low as -4°C (25°F). Be sure to pack layers to comfortably enjoy your travels during this varied weather.

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

The chart illustrates December temperature patterns in Hidaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hidaka, December typically has an average temperature of 6°C (42°F), with highs reaching up to 19°C (67°F) and lows dropping to around -4°C (25°F).

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

December Precipitation in Hidaka

In Hidaka in December, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

December Precipitation Trends in Hidaka

The chart displays monthly precipitation patterns in Hidaka, 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 Hidaka, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 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 Hidaka

In Hidaka in December humidity is 78%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit uncomfortable and requiring careful planning to stay warm and dry while exploring.

December Average Humidity in Hidaka

This chart illustrates the average monthly humidity levels in Hidaka, 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 Hidaka is approximately 78%, 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 Hidaka

In Hidaka 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 Hidaka, you can check the information here.

Maximum UV Index Levels in Hidaka for December

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

Data source: Hidaka 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 Hidaka Compares to Other Months

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

This table compares monthly weather conditions in Hidaka, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	47 mm (1.8 inches)	76%	moderate
February Weather	4°C (40°F)	50 mm (2.0 inches)	74%	moderate
March Weather	8°C (48°F)	136 mm (5.4 inches)	70%	very high
April Weather	13°C (55°F)	130 mm (5.1 inches)	74%	very high
May Weather	18°C (65°F)	136 mm (5.4 inches)	81%	extreme
June Weather	21°C (70°F)	187 mm (7.4 inches)	88%	extreme
July Weather	25°C (77°F)	293 mm (11.5 inches)	93%	extreme
August Weather	27°C (80°F)	172 mm (6.8 inches)	90%	extreme
September Weather	22°C (72°F)	226 mm (8.9 inches)	86%	very high
October Weather	17°C (62°F)	305 mm (12.0 inches)	83%	high
November Weather	11°C (52°F)	54 mm (2.1 inches)	80%	moderate
December Weather	6°C (42°F)	46 mm (1.8 inches)	78%	moderate