January Weather in Tainai, Japan

Last updated: August 23, 2025

In Tainai, Japan, the weather in January brings an average temperature of 2°C (37°F). Expect chilly days, as the minimum can drop to -6°C (21°F), while the highs can reach up to 11°C (53°F). With 203 mm (8.0 in) of precipitation over 23 days, it's a wet month, coupled with an average humidity of 88%. Be prepared for a cozy, albeit damp, experience!

January Temperature in Tainai

In January in Tainai, the average temperature is 2°C (37°F), with maximums reaching up to 11°C (53°F) and minimums dropping as low as -6°C (21°F). Be prepared for chilly conditions if you plan to travel during this time, and pack accordingly to ensure a comfortable visit.

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

The chart illustrates January temperature patterns in Tainai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tainai, January typically has an average temperature of 2°C (37°F), with highs reaching up to 11°C (53°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Tainai

In Tainai in January, the precipitation amount is 203 mm (8.0 in) distributed over 23 days.

January Precipitation Trends in Tainai

The chart displays monthly precipitation patterns in Tainai, 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 Tainai, January typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 23 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 Tainai

In Tainai in January, humidity is 88%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

January Average Humidity in Tainai

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

In Tainai 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 Tainai, you can check the information here.

Maximum UV Index Levels in Tainai for January

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

Data source: Tainai 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 Tainai Compares to Other Months

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

This table compares monthly weather conditions in Tainai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	203 mm (8.0 inches)	88%	moderate
February Weather	3°C (37°F)	171 mm (6.7 inches)	86%	moderate
March Weather	7°C (44°F)	147 mm (5.8 inches)	81%	high
April Weather	11°C (52°F)	140 mm (5.5 inches)	78%	very high
May Weather	17°C (63°F)	135 mm (5.3 inches)	81%	very high
June Weather	21°C (69°F)	141 mm (5.5 inches)	88%	very high
July Weather	25°C (78°F)	317 mm (12.5 inches)	92%	very high
August Weather	27°C (80°F)	281 mm (11.1 inches)	92%	extreme
September Weather	22°C (73°F)	175 mm (6.9 inches)	89%	very high
October Weather	17°C (62°F)	179 mm (7.1 inches)	87%	high
November Weather	11°C (52°F)	194 mm (7.6 inches)	85%	moderate
December Weather	5°C (41°F)	267 mm (10.5 inches)	86%	moderate