December Weather in Inba, Japan

Last updated: August 23, 2025

In December, the average temperature in Inba, Japan is a cool 8°C (46°F), with a maximum of 21°C (71°F) and a minimum dipping down to -3°C (27°F). Expect about 71 mm (2.8 in) of precipitation spread across 8 days, while the air remains relatively humid at an average of 72%.

December Temperature in Inba

In December in Inba, the average temperature is 8°C (46°F), with maximums reaching up to 21°C (71°F) and minimums dropping as low as -3°C (27°F).

Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Inba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Inba, December typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (71°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Inba

In Inba in December, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

December Precipitation Trends in Inba

The chart displays monthly precipitation patterns in Inba, 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 Inba, December typically receives around 71 mm (2.8 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 Inba

In Inba in December humidity is 72%. With an average temperature of 8°C (46°F), this humidity feels like a chilly blanket wrapping around you, making outdoor activities somewhat uncomfortable and requiring travelers to dress in layers to stay warm and dry.

December Average Humidity in Inba

This chart illustrates the average monthly humidity levels in Inba, 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 Inba is approximately 72%, 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 Inba

In Inba 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 Inba for better planning.

Maximum UV Index Levels in Inba for December

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

Data source: Inba 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 Inba Compares to Other Months

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

This table compares monthly weather conditions in Inba, 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 (42°F)	52 mm (2.1 inches)	70%	moderate
February Weather	6°C (44°F)	46 mm (1.8 inches)	69%	moderate
March Weather	10°C (51°F)	136 mm (5.4 inches)	68%	very high
April Weather	14°C (58°F)	116 mm (4.6 inches)	73%	very high
May Weather	19°C (67°F)	128 mm (5.0 inches)	81%	extreme
June Weather	22°C (72°F)	161 mm (6.3 inches)	88%	extreme
July Weather	26°C (79°F)	223 mm (8.8 inches)	94%	extreme
August Weather	28°C (82°F)	102 mm (4.0 inches)	87%	extreme
September Weather	24°C (75°F)	186 mm (7.3 inches)	83%	very high
October Weather	19°C (66°F)	254 mm (10.0 inches)	78%	high
November Weather	14°C (57°F)	101 mm (4.0 inches)	74%	moderate
December Weather	8°C (46°F)	71 mm (2.8 inches)	72%	moderate