January Weather in Katagami, Japan

Last updated: August 23, 2025

In January, the average temperature in Katagami, Japan hovers around 1°C (35°F). You can expect minimums to dip as low as -7°C (20°F) and maximums soaring to 11°C (51°F). With precipitation of about 94 mm (3.7 in) across 19 days, it's wise to be prepared for wet weather. The average humidity level is a comfortable 79%.

January Temperature in Katagami

In January in Katagami, the average temperature is 1°C (35°F). The maximum can reach 11°C (51°F), while the minimum can drop to as low as -7°C (20°F). Travelers should be prepared for chilly weather and pack appropriate clothing to stay warm during their visit.

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

The chart illustrates January temperature patterns in Katagami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katagami, January typically has an average temperature of 1°C (35°F), with highs reaching up to 11°C (51°F) and lows dropping to around -7°C (20°F).

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

January Precipitation in Katagami

In Katagami in January, the precipitation amount is 94 mm (3.7 in) over the course of 19 days.

January Precipitation Trends in Katagami

The chart displays monthly precipitation patterns in Katagami, 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 Katagami, January typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 19 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 Katagami

In Katagami in January, humidity is 79%. With an average temperature of 1°C (35°F), this humidity feels like a penetrating chill that seeps into your bones, making travel uncomfortable and layering the air with a dampness that can leave you feeling chilled and sluggish as you navigate through the streets.

January Average Humidity in Katagami

This chart illustrates the average monthly humidity levels in Katagami, 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 Katagami is approximately 79%, 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 Katagami

In Katagami 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 Katagami, you can check the information here.

Maximum UV Index Levels in Katagami for January

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

Data source: Katagami 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 Katagami Compares to Other Months

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

This table compares monthly weather conditions in Katagami, 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 (35°F)	94 mm (3.7 inches)	79%	moderate
February Weather	2°C (35°F)	112 mm (4.4 inches)	78%	moderate
March Weather	6°C (43°F)	105 mm (4.1 inches)	76%	high
April Weather	10°C (50°F)	121 mm (4.8 inches)	78%	very high
May Weather	16°C (60°F)	127 mm (5.0 inches)	86%	very high
June Weather	20°C (67°F)	147 mm (5.8 inches)	90%	very high
July Weather	24°C (76°F)	163 mm (6.4 inches)	93%	very high
August Weather	26°C (79°F)	210 mm (8.3 inches)	92%	extreme
September Weather	22°C (72°F)	156 mm (6.1 inches)	84%	very high
October Weather	16°C (61°F)	192 mm (7.6 inches)	80%	high
November Weather	10°C (51°F)	145 mm (5.7 inches)	76%	moderate
December Weather	4°C (40°F)	171 mm (6.7 inches)	78%	low