December Weather in Iki, Japan

Last updated: August 23, 2025

In December, the average temperature in Iki, Japan is a mild 11°C (52°F), with daily variations where the minimum can drop to 2°C (37°F) and the maximum can reach up to 21°C (70°F). Prepare for some rain, as 84 mm (3.3 in) of precipitation is expected over approximately 9 days. With an average humidity level of 72%, it's a perfect time to enjoy the crisp air while staying aware of the changing weather!

December Temperature in Iki

In December, in Iki, the average temperature is 11°C (52°F), with maximums reaching up to 21°C (70°F) and minimums dropping as low as 2°C (37°F). This mild climate makes Iki an excellent destination for travelers looking to enjoy comfortable weather during their visit.

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

The chart illustrates December temperature patterns in Iki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iki, December typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around 2°C (37°F).

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

December Precipitation in Iki

In Iki in December, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

December Precipitation Trends in Iki

The chart displays monthly precipitation patterns in Iki, 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 Iki, December typically receives around 84 mm (3.3 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 Iki

In Iki in December, humidity is 72%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leaving travelers feeling slightly cold and clammy unless they are dressed in layers.

December Average Humidity in Iki

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

In Iki 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 Iki for better planning.

Maximum UV Index Levels in Iki for December

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

Data source: Iki 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 Iki Compares to Other Months

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

This table compares monthly weather conditions in Iki, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	76 mm (3.0 inches)	73%	moderate
February Weather	9°C (49°F)	75 mm (3.0 inches)	69%	high
March Weather	12°C (54°F)	141 mm (5.5 inches)	71%	very high
April Weather	15°C (59°F)	117 mm (4.6 inches)	79%	very high
May Weather	18°C (65°F)	137 mm (5.4 inches)	87%	extreme
June Weather	21°C (71°F)	181 mm (7.1 inches)	91%	extreme
July Weather	25°C (78°F)	312 mm (12.3 inches)	97%	extreme
August Weather	27°C (82°F)	260 mm (10.2 inches)	94%	extreme
September Weather	25°C (77°F)	235 mm (9.2 inches)	84%	extreme
October Weather	21°C (70°F)	108 mm (4.2 inches)	79%	high
November Weather	16°C (62°F)	50 mm (2.0 inches)	75%	high
December Weather	11°C (52°F)	84 mm (3.3 inches)	72%	moderate