January Weather in Hamanoichi, Japan

Last updated: August 23, 2025

In January, the average temperature in Hamanoichi, Japan hovers around 7°C (44°F), with a minimum dipping to -5°C (23°F) and a maximum reaching 20°C (68°F). Rainfall is moderate, with about 54 mm (2.1 in) of precipitation over 6 days. The air remains relatively humid, boasting an average humidity of 72%.

January Temperature in Hamanoichi

In January, in Hamanoichi, the average temperature is 7°C (44°F). Maximums can reach 20°C (68°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a mix of mild and chilly weather conditions.

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

The chart illustrates January temperature patterns in Hamanoichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamanoichi, January typically has an average temperature of 7°C (44°F), with highs reaching up to 20°C (68°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Hamanoichi

In Hamanoichi in January, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

January Precipitation Trends in Hamanoichi

The chart displays monthly precipitation patterns in Hamanoichi, 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 Hamanoichi, January typically receives around 54 mm (2.1 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 Hamanoichi

In Hamanoichi in January, humidity is 72%. With an average temperature of 7°C (44°F), this humidity feels like a persistent chill that penetrates through clothing, making travel uncomfortable and damp, especially during outdoor excursions.

January Average Humidity in Hamanoichi

This chart illustrates the average monthly humidity levels in Hamanoichi, 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 Hamanoichi 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 Hamanoichi

In Hamanoichi 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 Hamanoichi.

Maximum UV Index Levels in Hamanoichi for January

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

Data source: Hamanoichi 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 Hamanoichi Compares to Other Months

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

This table compares monthly weather conditions in Hamanoichi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	54 mm (2.1 inches)	72%	moderate
February Weather	8°C (46°F)	101 mm (4.0 inches)	68%	high
March Weather	12°C (54°F)	169 mm (6.6 inches)	72%	very high
April Weather	16°C (60°F)	149 mm (5.9 inches)	79%	very high
May Weather	20°C (68°F)	252 mm (9.9 inches)	83%	extreme
June Weather	23°C (73°F)	392 mm (15.4 inches)	86%	extreme
July Weather	26°C (80°F)	406 mm (16.0 inches)	90%	extreme
August Weather	27°C (82°F)	204 mm (8.0 inches)	85%	extreme
September Weather	25°C (77°F)	248 mm (9.8 inches)	80%	extreme
October Weather	20°C (68°F)	143 mm (5.6 inches)	78%	very high
November Weather	14°C (57°F)	91 mm (3.6 inches)	76%	high
December Weather	8°C (47°F)	79 mm (3.1 inches)	74%	moderate