January Weather in Shimoichi, Japan

Last updated: August 23, 2025

In January, the average temperature in Shimoichi, Japan hovers around 2°C (36°F). Expect a chill in the air as temperatures can drop to a minimum of -10°C (14°F), while occasionally peaking at a mild 13°C (56°F). With 78 mm (3.1 in) of precipitation spread over 11 days, be prepared for a damp environment, complemented by an average humidity of 82%.

January Temperature in Shimoichi

In January in Shimoichi, the average temperature is 2°C (36°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -10°C (14°F). Travelers should be prepared for cold conditions and dress accordingly.

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

The chart illustrates January temperature patterns in Shimoichi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shimoichi, January typically has an average temperature of 2°C (36°F), with highs reaching up to 13°C (56°F) and lows dropping to around -10°C (14°F).

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

January Precipitation in Shimoichi

In Shimoichi in January, the precipitation amount is 78 mm (3.1 in) over the course of 11 days.

January Precipitation Trends in Shimoichi

The chart displays monthly precipitation patterns in Shimoichi, 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 Shimoichi, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 11 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 Shimoichi

In Shimoichi in January humidity is 82%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making even brief outings feel uncomfortable and penetrating.

January Average Humidity in Shimoichi

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

In Shimoichi 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 Shimoichi for better planning.

Maximum UV Index Levels in Shimoichi for January

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

Data source: Shimoichi 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 Shimoichi Compares to Other Months

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

This table compares monthly weather conditions in Shimoichi, 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 (36°F)	78 mm (3.1 inches)	82%	moderate
February Weather	3°C (37°F)	93 mm (3.6 inches)	79%	high
March Weather	7°C (46°F)	152 mm (6.0 inches)	74%	very high
April Weather	12°C (54°F)	147 mm (5.8 inches)	76%	extreme
May Weather	17°C (63°F)	191 mm (7.5 inches)	83%	extreme
June Weather	20°C (68°F)	267 mm (10.5 inches)	87%	extreme
July Weather	24°C (76°F)	398 mm (15.7 inches)	93%	extreme
August Weather	26°C (78°F)	251 mm (9.9 inches)	91%	extreme
September Weather	22°C (71°F)	241 mm (9.5 inches)	87%	very high
October Weather	16°C (61°F)	313 mm (12.3 inches)	85%	high
November Weather	10°C (50°F)	66 mm (2.6 inches)	83%	high
December Weather	4°C (40°F)	88 mm (3.5 inches)	83%	moderate