January Weather in Iga, Japan

Last updated: August 23, 2025

In January, the average temperature in Iga, Japan hovers around 4°C (40°F), with temperatures ranging from a chilly -6°C (22°F) to a mild 15°C (59°F). Expect 53 mm (2.1 in) of precipitation spread over 7 days, complemented by an average humidity level of 82%. Prepare for a cool, damp month!

January Temperature in Iga

In January in Iga, the average temperature is 4°C (40°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -6°C (22°F). It's advisable to pack warm clothing and prepare for chilly conditions if you're planning to visit.

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

The chart illustrates January temperature patterns in Iga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iga, January typically has an average temperature of 4°C (40°F), with highs reaching up to 15°C (59°F) and lows dropping to around -6°C (22°F).

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

January Precipitation in Iga

In Iga in January, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

January Precipitation Trends in Iga

The chart displays monthly precipitation patterns in Iga, 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 Iga, January typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 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 Iga

In Iga in January, humidity is 82%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that lingers in the air, making travel slightly uncomfortable as the cold penetrates through layers of clothing, often leaving you feeling chilled and clammy.

January Average Humidity in Iga

This chart illustrates the average monthly humidity levels in Iga, 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 Iga is approximately 82%, 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 Iga

In Iga 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 Iga for better planning.

Maximum UV Index Levels in Iga for January

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

Data source: Iga 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 Iga Compares to Other Months

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

This table compares monthly weather conditions in Iga, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	53 mm (2.1 inches)	82%	moderate
February Weather	5°C (41°F)	61 mm (2.4 inches)	79%	high
March Weather	9°C (49°F)	139 mm (5.5 inches)	74%	very high
April Weather	14°C (57°F)	141 mm (5.5 inches)	76%	extreme
May Weather	19°C (66°F)	161 mm (6.3 inches)	83%	extreme
June Weather	22°C (72°F)	192 mm (7.6 inches)	87%	extreme
July Weather	26°C (79°F)	317 mm (12.5 inches)	93%	extreme
August Weather	28°C (82°F)	206 mm (8.1 inches)	91%	extreme
September Weather	24°C (75°F)	201 mm (7.9 inches)	87%	very high
October Weather	18°C (65°F)	315 mm (12.4 inches)	85%	high
November Weather	12°C (54°F)	51 mm (2.0 inches)	83%	moderate
December Weather	7°C (44°F)	61 mm (2.4 inches)	83%	moderate