January Weather in Kuroiso, Japan

Last updated: August 23, 2025

In January, the average temperature in Kuroiso, Japan hovers around 1°C (34°F), with a minimum of -9°C (16°F) and a comfortable maximum of 12°C (54°F). Expect 55 mm (2.2 in) of precipitation spread over 12 days, and be prepared for a high level of humidity at 88%.

January Temperature in Kuroiso

In January in Kuroiso, the average temperature is 1°C (34°F). Maximums can reach 12°C (54°F), while minimums can drop as low as -9°C (16°F). Make sure to pack warm clothing and be prepared for chilly conditions during your travels.

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

The chart illustrates January temperature patterns in Kuroiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kuroiso, January typically has an average temperature of 1°C (34°F), with highs reaching up to 12°C (54°F) and lows dropping to around -9°C (16°F).

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

January Precipitation in Kuroiso

In Kuroiso in January, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.

January Precipitation Trends in Kuroiso

The chart displays monthly precipitation patterns in Kuroiso, 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 Kuroiso, January typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 12 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 Kuroiso

In Kuroiso in January humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

January Average Humidity in Kuroiso

This chart illustrates the average monthly humidity levels in Kuroiso, 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 Kuroiso is approximately 88%, 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 Kuroiso

In Kuroiso in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Kuroiso, you can check the information here.

Maximum UV Index Levels in Kuroiso for January

The chart shows the monthly maximum UV Index (UVI) for Kuroiso 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 Kuroiso typically reaches 3, which falls under the moderate exposure category.

Data source: Kuroiso 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 Kuroiso Compares to Other Months

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

This table compares monthly weather conditions in Kuroiso, 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 (34°F)	55 mm (2.2 inches)	88%	moderate
February Weather	2°C (36°F)	50 mm (2.0 inches)	86%	moderate
March Weather	6°C (43°F)	144 mm (5.7 inches)	81%	very high
April Weather	10°C (51°F)	138 mm (5.4 inches)	78%	very high
May Weather	16°C (61°F)	166 mm (6.5 inches)	81%	very high
June Weather	19°C (66°F)	160 mm (6.3 inches)	88%	extreme
July Weather	23°C (73°F)	316 mm (12.4 inches)	92%	extreme
August Weather	24°C (76°F)	201 mm (7.9 inches)	92%	extreme
September Weather	20°C (68°F)	196 mm (7.7 inches)	89%	very high
October Weather	14°C (58°F)	262 mm (10.3 inches)	87%	high
November Weather	9°C (48°F)	62 mm (2.4 inches)	85%	moderate
December Weather	3°C (38°F)	65 mm (2.5 inches)	86%	moderate