January Weather in Sosa, Japan

Last updated: August 23, 2025

In January, the average temperature in Sosa, Japan hovers around 6°C (43°F), with a minimum dipping to a chilly -4°C (26°F) and a maximum rising to a pleasant 18°C (64°F). Expect some rain during this month, with an average precipitation of 56 mm (2.2 in) spread across 6 days. The average humidity sits comfortably at 70%, making it a season of cozy wraps and warm beverages.

January Temperature in Sosa

In January in Sosa, the average temperature is 6°C (43°F). Maximum temperatures can reach 18°C (64°F), while minimum temperatures can drop to as low as -4°C (26°F). This weather makes Sosa an ideal destination for travelers seeking a varied climate, perfect for outdoor activities and exploring the local scenery.

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

The chart illustrates January temperature patterns in Sosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sosa, January typically has an average temperature of 6°C (43°F), with highs reaching up to 18°C (64°F) and lows dropping to around -4°C (26°F).

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

January Precipitation in Sosa

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

January Precipitation Trends in Sosa

The chart displays monthly precipitation patterns in Sosa, 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 Sosa, 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.

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Millimeters (mm) Inches (in)

January Humidity in Sosa

In Sosa in January humidity is 70%. With an average temperature of 6°C (43°F), this humidity feels like a chilly mist wrapping around you, making the air feel heavier and potentially damp, which can be uncomfortable for traveling as it adds an extra layer of cold that seeps through your clothes.

January Average Humidity in Sosa

This chart illustrates the average monthly humidity levels in Sosa, 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 Sosa is approximately 70%, 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 Sosa

In Sosa 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 Sosa, you can check the information here.

Maximum UV Index Levels in Sosa for January

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

Data source: Sosa 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 Sosa Compares to Other Months

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

This table compares monthly weather conditions in Sosa, 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)	70%	moderate
February Weather	7°C (45°F)	52 mm (2.0 inches)	69%	moderate
March Weather	11°C (52°F)	144 mm (5.7 inches)	68%	very high
April Weather	14°C (58°F)	112 mm (4.4 inches)	73%	very high
May Weather	19°C (67°F)	132 mm (5.2 inches)	81%	extreme
June Weather	22°C (72°F)	169 mm (6.7 inches)	88%	extreme
July Weather	26°C (78°F)	213 mm (8.4 inches)	94%	extreme
August Weather	27°C (82°F)	95 mm (3.8 inches)	87%	extreme
September Weather	24°C (75°F)	179 mm (7.0 inches)	83%	very high
October Weather	19°C (67°F)	255 mm (10.0 inches)	78%	high
November Weather	14°C (58°F)	109 mm (4.3 inches)	74%	moderate
December Weather	9°C (48°F)	81 mm (3.2 inches)	72%	moderate