January Weather in Bibai, Japan

Last updated: August 23, 2025

In January, the average temperature in Bibai, Japan hovers around -6°C (21°F). Minimums can plummet to -22°C (-7°F), while maximums can reach a brisk 7°C (44°F). Expect around 48 mm (1.9 in) of precipitation spread across 14 days, with an average humidity of 84%.

January Temperature in Bibai

In January in Bibai, the average temperature is -6°C (21°F), with a maximum reaching 7°C (44°F) and a minimum plunging as low as -22°C (-7°F). Travelers should be prepared for cold weather and dress in layers to ensure comfort during their visit.

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

The chart illustrates January temperature patterns in Bibai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bibai, January typically has an average temperature of -6°C (21°F), with highs reaching up to 7°C (44°F) and lows dropping to around -22°C (-7°F).

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

January Precipitation in Bibai

In Bibai in January, the precipitation amount is 48 mm (1.9 in) spread over 14 days.

January Precipitation Trends in Bibai

The chart displays monthly precipitation patterns in Bibai, 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 Bibai, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 14 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 Bibai

In Bibai in January humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.

January Average Humidity in Bibai

This chart illustrates the average monthly humidity levels in Bibai, 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 Bibai is approximately 84%, 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 Bibai

In Bibai in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Bibai, you can visit Hourly UV Index in Bibai.

Maximum UV Index Levels in Bibai for January

The chart shows the monthly maximum UV Index (UVI) for Bibai 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 Bibai typically reaches 2, which falls under the low exposure category.

Data source: Bibai 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 Bibai Compares to Other Months

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

This table compares monthly weather conditions in Bibai, 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 (21°F)	48 mm (1.9 inches)	84%	low
February Weather	-5°C (24°F)	61 mm (2.4 inches)	83%	moderate
March Weather	1°C (34°F)	75 mm (2.9 inches)	81%	high
April Weather	7°C (44°F)	72 mm (2.8 inches)	81%	high
May Weather	13°C (55°F)	89 mm (3.5 inches)	86%	very high
June Weather	16°C (61°F)	91 mm (3.6 inches)	87%	very high
July Weather	20°C (69°F)	84 mm (3.3 inches)	93%	very high
August Weather	21°C (70°F)	164 mm (6.5 inches)	95%	very high
September Weather	18°C (64°F)	85 mm (3.3 inches)	88%	very high
October Weather	11°C (53°F)	120 mm (4.7 inches)	83%	moderate
November Weather	5°C (41°F)	115 mm (4.5 inches)	79%	moderate
December Weather	-3°C (27°F)	84 mm (3.3 inches)	80%	low