January Weather in Soo, Japan

Last updated: August 23, 2025

In Soo, Japan, the average temperature in January hovers around 6°C (43°F). Expect a temperature range with a chilly minimum of -6°C (21°F) and a pleasant maximum of 21°C (70°F). This month brings about 56 mm (2.2 in) of precipitation over 6 days, contributing to an average humidity of 72%. Be prepared for a mix of cool days and occasional rain!

January Temperature in Soo

In January in Soo, the average temperature is 6°C (43°F). The maximum can reach 21°C (70°F), while the minimum can drop as low as -6°C (21°F). Be sure to pack layers for your trip to adapt to the wide range of temperatures!

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

The chart illustrates January temperature patterns in Soo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soo, January typically has an average temperature of 6°C (43°F), with highs reaching up to 21°C (70°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Soo

In Soo in January, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

January Precipitation Trends in Soo

The chart displays monthly precipitation patterns in Soo, 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 Soo, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 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 Soo

In Soo in January humidity is 72%. With an average temperature of 6°C (43°F), this humidity feels like a chill that penetrates your clothes, making you feel uncomfortably cold and damp while traveling.

January Average Humidity in Soo

This chart illustrates the average monthly humidity levels in Soo, 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 Soo is approximately 72%, 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 Soo

In Soo in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Soo.

Maximum UV Index Levels in Soo for January

The chart shows the monthly maximum UV Index (UVI) for Soo 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 Soo typically reaches 5, which falls under the moderate exposure category.

Data source: Soo 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 Soo Compares to Other Months

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

This table compares monthly weather conditions in Soo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	56 mm (2.2 inches)	72%	moderate
February Weather	7°C (45°F)	104 mm (4.1 inches)	68%	high
March Weather	12°C (53°F)	173 mm (6.8 inches)	72%	very high
April Weather	16°C (60°F)	145 mm (5.7 inches)	79%	very high
May Weather	19°C (67°F)	244 mm (9.6 inches)	83%	extreme
June Weather	22°C (73°F)	375 mm (14.8 inches)	86%	extreme
July Weather	26°C (79°F)	384 mm (15.1 inches)	90%	extreme
August Weather	27°C (81°F)	227 mm (8.9 inches)	85%	extreme
September Weather	24°C (76°F)	279 mm (11.0 inches)	80%	extreme
October Weather	20°C (67°F)	170 mm (6.7 inches)	78%	very high
November Weather	13°C (56°F)	93 mm (3.7 inches)	76%	high
December Weather	8°C (46°F)	78 mm (3.1 inches)	74%	moderate