January Weather in Ichinomiya, Japan

Last updated: August 23, 2025

In January, the average temperature in Ichinomiya, Japan hovers around 9°C (48°F), with a minimum dip to 1°C (35°F) and a maximum rise to 19°C (66°F). Expect 77 mm (3.0 in) of precipitation spread over about 8 days, while the average humidity stays at a comfortable 70%.

January Temperature in Ichinomiya

In January in Ichinomiya, the average temperature is 9°C (48°F). Maximums can reach 19°C (66°F), while minimums can drop as low as 1°C (35°F). Be sure to pack layered clothing to comfortably adapt to the varying temperatures during your travels.

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

The chart illustrates January temperature patterns in Ichinomiya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ichinomiya, January typically has an average temperature of 9°C (48°F), with highs reaching up to 19°C (66°F) and lows dropping to around 1°C (35°F).

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

January Precipitation in Ichinomiya

In Ichinomiya in January, the precipitation amount is 77 mm (3.0 in) distributed over 8 days.

January Precipitation Trends in Ichinomiya

The chart displays monthly precipitation patterns in Ichinomiya, 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 Ichinomiya, January typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 8 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 Ichinomiya

In Ichinomiya in January, humidity is 70%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that can quickly sap your energy, making outdoor activities less enjoyable and requiring extra layers to stay warm and dry while traveling.

January Average Humidity in Ichinomiya

This chart illustrates the average monthly humidity levels in Ichinomiya, 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 Ichinomiya is approximately 70%, 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 Ichinomiya

In Ichinomiya 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 Ichinomiya for better planning.

Maximum UV Index Levels in Ichinomiya for January

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

Data source: Ichinomiya 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 Ichinomiya Compares to Other Months

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

This table compares monthly weather conditions in Ichinomiya, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	77 mm (3.0 inches)	70%	moderate
February Weather	9°C (48°F)	68 mm (2.7 inches)	69%	moderate
March Weather	12°C (54°F)	180 mm (7.1 inches)	68%	very high
April Weather	15°C (59°F)	117 mm (4.6 inches)	73%	very high
May Weather	19°C (67°F)	140 mm (5.5 inches)	81%	extreme
June Weather	22°C (72°F)	206 mm (8.1 inches)	88%	extreme
July Weather	25°C (78°F)	206 mm (8.1 inches)	94%	extreme
August Weather	27°C (81°F)	113 mm (4.5 inches)	87%	extreme
September Weather	25°C (77°F)	214 mm (8.4 inches)	83%	very high
October Weather	21°C (69°F)	292 mm (11.5 inches)	78%	high
November Weather	16°C (62°F)	142 mm (5.6 inches)	74%	moderate
December Weather	11°C (53°F)	114 mm (4.5 inches)	72%	moderate