January Weather in Tatsugo, Japan

Last updated: August 23, 2025

In Tatsugo, Japan, the average temperature in January hovers around 16°C (61°F). You'll experience a minimum of 10°C (50°F) and a cozy maximum of 22°C (72°F). Be prepared for some rain, as precipitation can reach 98 mm (3.9 in) over approximately 12 days this month. With an average humidity of 72%, it’s wise to pack accordingly!

January Temperature in Tatsugo

In January in Tatsugo, the average temperature is 16°C (61°F). Maximums can reach 22°C (72°F), while minimums can drop to as low as 10°C (50°F). It's a great time to visit for those who enjoy mild weather and comfortable outdoor activities.

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

The chart illustrates January temperature patterns in Tatsugo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tatsugo, January typically has an average temperature of 16°C (61°F), with highs reaching up to 22°C (72°F) and lows dropping to around 10°C (50°F).

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

January Precipitation in Tatsugo

In Tatsugo in January, the precipitation amount is 98 mm (3.9 in) over the course of 12 days.

January Precipitation Trends in Tatsugo

The chart displays monthly precipitation patterns in Tatsugo, 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 Tatsugo, January typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 12 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 Tatsugo

In Tatsugo in January humidity is 72%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making every step feel heavier and requiring extra effort while traveling.

January Average Humidity in Tatsugo

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

In Tatsugo in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Tatsugo, you can refer to this Hourly UV Index in Tatsugo.

Maximum UV Index Levels in Tatsugo for January

The chart shows the monthly maximum UV Index (UVI) for Tatsugo 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 Tatsugo typically reaches 6, which falls under the high exposure category.

Data source: Tatsugo 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 Tatsugo Compares to Other Months

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

This table compares monthly weather conditions in Tatsugo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	98 mm (3.9 inches)	72%	high
February Weather	16°C (61°F)	114 mm (4.5 inches)	70%	very high
March Weather	18°C (65°F)	159 mm (6.3 inches)	76%	extreme
April Weather	20°C (68°F)	121 mm (4.8 inches)	82%	extreme
May Weather	23°C (73°F)	213 mm (8.4 inches)	84%	extreme
June Weather	25°C (78°F)	433 mm (17.0 inches)	87%	extreme
July Weather	28°C (82°F)	185 mm (7.3 inches)	89%	extreme
August Weather	28°C (83°F)	193 mm (7.6 inches)	84%	extreme
September Weather	27°C (82°F)	223 mm (8.8 inches)	81%	extreme
October Weather	25°C (77°F)	151 mm (5.9 inches)	79%	very high
November Weather	21°C (71°F)	121 mm (4.8 inches)	77%	very high
December Weather	18°C (65°F)	125 mm (4.9 inches)	74%	high