January Weather in Iki, Japan

Last updated: August 23, 2025

In January, the average temperature in Iki, Japan hovers around 9°C (49°F). Expect a minimum chill of 0°C (33°F) and a pleasant maximum of 19°C (66°F). Be prepared for some rain, as precipitation totals around 76 mm (3.0 in) over about 11 days, accompanied by an average humidity of 73%.

January Temperature in Iki

In January in Iki, the average temperature is 9°C (49°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop to as low as 0°C (33°F). This makes it a perfect time for travelers to enjoy mild weather and explore the beauty of Iki.

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

The chart illustrates January 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, January typically has an average temperature of 9°C (49°F), with highs reaching up to 19°C (66°F) and lows dropping to around 0°C (33°F).

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

January Precipitation in Iki

In Iki in January, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

January Precipitation Trends in Iki

The chart displays monthly precipitation patterns in Iki, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Iki, January typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Iki

In Iki in January, humidity is 73%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making outdoor activities slightly uncomfortable and requiring extra layers for warmth while traveling.

January Average Humidity in Iki

This chart illustrates the average monthly humidity levels in Iki, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Iki is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Iki

In Iki in January, 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 January

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

Data source: Iki January 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 January 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 January’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 January’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