January Weather in Agano, Japan

Last updated: August 23, 2025

In January, the average temperature in Agano, Japan hovers around 1°C (33°F). Expect chilly days with minimum temperatures dipping to -11°C (13°F) and highs reaching 10°C (50°F). Precipitation is notable, with 184 mm (7.2 in) falling over 22 days, contributing to an average humidity of 88%. Stay prepared for a damp and cool month ahead!

January Temperature in Agano

In January in Agano, the average temperature is 1°C (33°F). The maximum can reach 10°C (50°F), and the minimum can be as low as -11°C (13°F). Travelers should be prepared for cold conditions and dress in layers to stay comfortable while exploring the area's winter charm.

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

The chart illustrates January temperature patterns in Agano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Agano, January typically has an average temperature of 1°C (33°F), with highs reaching up to 10°C (50°F) and lows dropping to around -11°C (13°F).

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

January Precipitation in Agano

In Agano in January, the total precipitation amount reaches 184 mm (7.2 in) over the course of 22 days.

January Precipitation Trends in Agano

The chart displays monthly precipitation patterns in Agano, 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 Agano, January typically receives around 184 mm (7.2 inches) of precipitation spread over approximately 22 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 Agano

In Agano in January humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.

January Average Humidity in Agano

This chart illustrates the average monthly humidity levels in Agano, 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 Agano is approximately 88%, 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 Agano

In Agano 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 Agano, you can check the information here.

Maximum UV Index Levels in Agano for January

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

Data source: Agano 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 Agano Compares to Other Months

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

This table compares monthly weather conditions in Agano, 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 (33°F)	184 mm (7.2 inches)	88%	moderate
February Weather	1°C (34°F)	169 mm (6.6 inches)	86%	moderate
March Weather	5°C (42°F)	163 mm (6.4 inches)	81%	high
April Weather	10°C (51°F)	152 mm (6.0 inches)	78%	very high
May Weather	17°C (62°F)	154 mm (6.1 inches)	81%	very high
June Weather	20°C (68°F)	169 mm (6.6 inches)	88%	extreme
July Weather	25°C (77°F)	353 mm (13.9 inches)	92%	extreme
August Weather	26°C (79°F)	280 mm (11.0 inches)	92%	extreme
September Weather	21°C (71°F)	180 mm (7.1 inches)	89%	very high
October Weather	15°C (60°F)	186 mm (7.3 inches)	87%	high
November Weather	9°C (49°F)	161 mm (6.3 inches)	85%	moderate
December Weather	3°C (38°F)	224 mm (8.8 inches)	86%	moderate