January Weather in Iida, Japan

Last updated: August 23, 2025

In January, the average temperature in Iida, Japan hovers around -1°C (30°F). Temperature extremes can range from a chilly -16°C (4°F) to a milder 12°C (53°F). Be prepared for some wet days, as 90 mm (3.5 in) of precipitation is expected over 11 days. With an average humidity of 76%, it’s a time to bundle up and enjoy the winter atmosphere!

January Temperature in Iida

In January in Iida, the average temperature is -1°C (30°F), with maximums reaching 12°C (53°F) and minimums plummeting to as low as -16°C (4°F). Travelers should be prepared for a chilly climate and pack layers for variable weather conditions.

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

The chart illustrates January temperature patterns in Iida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iida, January typically has an average temperature of -1°C (30°F), with highs reaching up to 12°C (53°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Iida

In Iida in January, the total precipitation amounts to 90 mm (3.5 in) over the course of 11 days.

January Precipitation Trends in Iida

The chart displays monthly precipitation patterns in Iida, 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 Iida, January typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Iida

In Iida in January, humidity is 76%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates your layers, making outdoor activities less enjoyable and prompting travelers to seek warmth and shelter more often than not.

January Average Humidity in Iida

This chart illustrates the average monthly humidity levels in Iida, 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 Iida is approximately 76%, 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 Iida

In Iida 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 Iida for better planning.

Maximum UV Index Levels in Iida for January

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

Data source: Iida 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 Iida Compares to Other Months

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

This table compares monthly weather conditions in Iida, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	90 mm (3.5 inches)	76%	moderate
February Weather	0°C (32°F)	102 mm (4.0 inches)	74%	high
March Weather	5°C (41°F)	181 mm (7.1 inches)	70%	very high
April Weather	9°C (49°F)	200 mm (7.9 inches)	74%	very high
May Weather	14°C (58°F)	218 mm (8.6 inches)	81%	extreme
June Weather	18°C (64°F)	223 mm (8.8 inches)	88%	extreme
July Weather	22°C (71°F)	507 mm (20.0 inches)	93%	extreme
August Weather	23°C (74°F)	256 mm (10.1 inches)	90%	extreme
September Weather	19°C (67°F)	242 mm (9.5 inches)	86%	very high
October Weather	14°C (57°F)	264 mm (10.4 inches)	83%	high
November Weather	7°C (46°F)	85 mm (3.3 inches)	80%	moderate
December Weather	2°C (36°F)	95 mm (3.7 inches)	78%	moderate