January Weather in Hikari, Japan

Last updated: August 23, 2025

In January, the average temperature in Hikari, Japan hovers around 7°C (45°F), with minimums dipping to -2°C (29°F) and maximums reaching 16°C (60°F). This month also brings about 54 mm (2.1 in) of precipitation over roughly 7 days, contributing to an average humidity of 75%. Prepare for a cool and wet atmosphere!

January Temperature in Hikari

In January in Hikari, the average temperature is 7°C (45°F), with maximums reaching 16°C (60°F) and minimums plummeting to as low as -2°C (29°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Hikari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hikari, January typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (60°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Hikari

In Hikari in January, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

January Precipitation Trends in Hikari

The chart displays monthly precipitation patterns in Hikari, 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 Hikari, January typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 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 Hikari

In Hikari in January, humidity is 75%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring you to bundle up, while the heavy air can leave you feeling sluggish as you navigate the surroundings.

January Average Humidity in Hikari

This chart illustrates the average monthly humidity levels in Hikari, 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 Hikari is approximately 75%, 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 Hikari

In Hikari 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 Hikari for better planning.

Maximum UV Index Levels in Hikari for January

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

Data source: Hikari 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 Hikari Compares to Other Months

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

This table compares monthly weather conditions in Hikari, 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 (45°F)	54 mm (2.1 inches)	75%	moderate
February Weather	7°C (45°F)	79 mm (3.1 inches)	71%	moderate
March Weather	11°C (51°F)	127 mm (5.0 inches)	71%	very high
April Weather	14°C (58°F)	146 mm (5.7 inches)	78%	extreme
May Weather	18°C (65°F)	159 mm (6.3 inches)	84%	extreme
June Weather	22°C (72°F)	189 mm (7.5 inches)	86%	extreme
July Weather	26°C (79°F)	355 mm (14.0 inches)	92%	extreme
August Weather	28°C (82°F)	221 mm (8.7 inches)	91%	extreme
September Weather	24°C (76°F)	215 mm (8.5 inches)	84%	very high
October Weather	20°C (68°F)	173 mm (6.8 inches)	83%	high
November Weather	15°C (59°F)	43 mm (1.7 inches)	81%	high
December Weather	9°C (49°F)	64 mm (2.5 inches)	79%	moderate