January Weather in Abu, Japan

Last updated: August 23, 2025

In January, the average temperature in Abu, Japan hovers around 6°C (43°F). Expect chilly days with a minimum temperature dipping to -4°C (26°F), while the mercury can rise to a pleasant 16°C (61°F). Be prepared for some wet weather, as 78 mm (3.1 in) of precipitation typically falls over about 12 days. With an average humidity of 76%, don't forget to bundle up and keep an umbrella handy!

January Temperature in Abu

In January in Abu, the average temperature is 6°C (43°F). Maximum temperatures can reach 16°C (61°F), while minimum temperatures can drop as low as -4°C (26°F). Travelers should be prepared for a mix of chilly and mild weather, making layers an essential part of their packing.

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

The chart illustrates January temperature patterns in Abu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Abu, January typically has an average temperature of 6°C (43°F), with highs reaching up to 16°C (61°F) and lows dropping to around -4°C (26°F).

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

January Precipitation in Abu

In Abu in January, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.

January Precipitation Trends in Abu

The chart displays monthly precipitation patterns in Abu, 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 Abu, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 12 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 Abu

In Abu in January, humidity is 76%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your clothes and makes even short outings feel less inviting, leaving travelers reaching for extra layers to stay comfortable while exploring.

January Average Humidity in Abu

This chart illustrates the average monthly humidity levels in Abu, 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 Abu is approximately 76%, 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 Abu

In Abu in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Abu for better planning.

Maximum UV Index Levels in Abu for January

The chart shows the monthly maximum UV Index (UVI) for Abu 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 Abu typically reaches 4, which falls under the moderate exposure category.

Data source: Abu 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 Abu Compares to Other Months

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

This table compares monthly weather conditions in Abu, 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)	78 mm (3.1 inches)	76%	moderate
February Weather	7°C (44°F)	89 mm (3.5 inches)	72%	moderate
March Weather	11°C (51°F)	144 mm (5.7 inches)	69%	very high
April Weather	14°C (58°F)	115 mm (4.5 inches)	75%	extreme
May Weather	19°C (66°F)	117 mm (4.6 inches)	84%	extreme
June Weather	22°C (72°F)	187 mm (7.4 inches)	88%	extreme
July Weather	26°C (79°F)	313 mm (12.3 inches)	95%	extreme
August Weather	28°C (82°F)	254 mm (10.0 inches)	93%	extreme
September Weather	24°C (75°F)	235 mm (9.3 inches)	84%	very high
October Weather	19°C (66°F)	129 mm (5.1 inches)	79%	high
November Weather	13°C (56°F)	51 mm (2.0 inches)	76%	high
December Weather	8°C (47°F)	88 mm (3.5 inches)	75%	moderate