January Weather in Akaiwa, Japan

Last updated: August 23, 2025

In January, the average temperature in Akaiwa, Japan hovers around 6°C (42°F). Expect temperatures to range from a chilly -3°C (26°F) to a mild 16°C (62°F). During this month, precipitation is moderate, totaling 33 mm (1.3 in) over approximately 3 days, while humidity remains high at an average of 82%.

January Temperature in Akaiwa

In January in Akaiwa, the average temperature is 6°C (42°F). Maximum temperatures can reach 16°C (62°F), while minimums can dip as low as -3°C (26°F). Be prepared for a mix of mild and chilly weather when traveling during this time.

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

The chart illustrates January temperature patterns in Akaiwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Akaiwa, January typically has an average temperature of 6°C (42°F), with highs reaching up to 16°C (62°F) and lows dropping to around -3°C (26°F).

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

January Precipitation in Akaiwa

In Akaiwa in January, the precipitation amount is 33 mm (1.3 in) over the course of 3 days.

January Precipitation Trends in Akaiwa

The chart displays monthly precipitation patterns in Akaiwa, 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 Akaiwa, January typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 3 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 Akaiwa

In Akaiwa in January, humidity is 82%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and prompting travelers to seek cozy indoor spaces instead.

January Average Humidity in Akaiwa

This chart illustrates the average monthly humidity levels in Akaiwa, 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 Akaiwa is approximately 82%, 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 Akaiwa

In Akaiwa 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 Akaiwa for better planning.

Maximum UV Index Levels in Akaiwa for January

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

Data source: Akaiwa 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 Akaiwa Compares to Other Months

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

This table compares monthly weather conditions in Akaiwa, 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 (42°F)	33 mm (1.3 inches)	82%	moderate
February Weather	6°C (43°F)	47 mm (1.9 inches)	79%	high
March Weather	10°C (51°F)	94 mm (3.7 inches)	73%	very high
April Weather	15°C (59°F)	119 mm (4.7 inches)	74%	extreme
May Weather	20°C (68°F)	114 mm (4.5 inches)	84%	extreme
June Weather	23°C (74°F)	153 mm (6.0 inches)	86%	extreme
July Weather	27°C (81°F)	291 mm (11.5 inches)	92%	extreme
August Weather	29°C (85°F)	171 mm (6.7 inches)	92%	extreme
September Weather	25°C (77°F)	203 mm (8.0 inches)	87%	very high
October Weather	19°C (67°F)	169 mm (6.7 inches)	85%	high
November Weather	13°C (55°F)	30 mm (1.2 inches)	84%	moderate
December Weather	8°C (46°F)	45 mm (1.8 inches)	82%	moderate