January Weather in Hojo, Japan

Last updated: August 23, 2025

In January, the average temperature in Hojo, Japan is a brisk 7°C (45°F). Expect minimums around -1°C (30°F) and maximums reaching 16°C (61°F). Be prepared for some precipitation, as 55 mm (2.2 in) may fall over the course of 9 days, accompanied by a relatively high average humidity of 74%.

January Temperature in Hojo

In January in Hojo, the average temperature is 7°C (45°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop as low as -1°C (30°F). It's advisable to pack layers and prepare for varying weather conditions when traveling during this time.

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

The chart illustrates January temperature patterns in Hojo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hojo, January typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (61°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Hojo

In Hojo in January, the precipitation amount is 55 mm (2.2 in) over a span of 9 days.

January Precipitation Trends in Hojo

The chart displays monthly precipitation patterns in Hojo, 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 Hojo, January typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 9 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 Hojo

In Hojo in January, humidity is 74%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket that clings to your skin, making outdoor activities feel more intense and requiring extra layers to stay comfortable while exploring.

January Average Humidity in Hojo

This chart illustrates the average monthly humidity levels in Hojo, 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 Hojo is approximately 74%, 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 Hojo

In Hojo 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 Hojo for better planning.

Maximum UV Index Levels in Hojo for January

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

Data source: Hojo 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 Hojo Compares to Other Months

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

This table compares monthly weather conditions in Hojo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	55 mm (2.2 inches)	74%	moderate
February Weather	7°C (45°F)	77 mm (3.0 inches)	70%	moderate
March Weather	10°C (51°F)	117 mm (4.6 inches)	70%	very high
April Weather	14°C (57°F)	129 mm (5.1 inches)	76%	very high
May Weather	18°C (65°F)	136 mm (5.4 inches)	82%	extreme
June Weather	21°C (71°F)	181 mm (7.1 inches)	86%	extreme
July Weather	26°C (78°F)	326 mm (12.8 inches)	91%	extreme
August Weather	27°C (81°F)	160 mm (6.3 inches)	88%	extreme
September Weather	25°C (77°F)	184 mm (7.3 inches)	85%	very high
October Weather	20°C (68°F)	192 mm (7.5 inches)	82%	high
November Weather	15°C (59°F)	55 mm (2.2 inches)	79%	high
December Weather	10°C (50°F)	65 mm (2.6 inches)	77%	moderate