January Weather in Obanazawa, Japan

Last updated: August 23, 2025

In January, the average temperature in Obanazawa, Japan hovers around -1°C (30°F). Expect chilly days with minimums dipping to -16°C (4°F) and maximums reaching 8°C (47°F). Prepare for wet weather as this month sees 102 mm (4.0 in) of precipitation over 19 days, coupled with a high average humidity of 80%. Bundle up and stay cozy!

January Temperature in Obanazawa

In January in Obanazawa, the average temperature is -1°C (30°F). Maximums can reach 8°C (47°F), and minimums can drop as low as -16°C (4°F). It's advisable to dress warmly and prepare for chilly weather if you're planning to visit during this time.

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

The chart illustrates January temperature patterns in Obanazawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Obanazawa, January typically has an average temperature of -1°C (30°F), with highs reaching up to 8°C (47°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Obanazawa

In Obanazawa in January, the total precipitation amount is 102 mm (4.0 in), occurring over the course of 19 days.

January Precipitation Trends in Obanazawa

The chart displays monthly precipitation patterns in Obanazawa, 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 Obanazawa, January typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 19 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 Obanazawa

In Obanazawa in January, humidity is 80%. With an average temperature of -1°C (30°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and travel quite challenging.

January Average Humidity in Obanazawa

This chart illustrates the average monthly humidity levels in Obanazawa, 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 Obanazawa is approximately 80%, 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 Obanazawa

In Obanazawa 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 Obanazawa, you can check the information here.

Maximum UV Index Levels in Obanazawa for January

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

Data source: Obanazawa 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 Obanazawa Compares to Other Months

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

This table compares monthly weather conditions in Obanazawa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	102 mm (4.0 inches)	80%	moderate
February Weather	0°C (32°F)	88 mm (3.5 inches)	79%	moderate
March Weather	4°C (40°F)	116 mm (4.6 inches)	77%	high
April Weather	9°C (49°F)	114 mm (4.5 inches)	75%	very high
May Weather	15°C (60°F)	106 mm (4.2 inches)	80%	very high
June Weather	19°C (66°F)	109 mm (4.3 inches)	87%	very high
July Weather	23°C (73°F)	222 mm (8.7 inches)	92%	extreme
August Weather	24°C (76°F)	209 mm (8.2 inches)	92%	extreme
September Weather	20°C (68°F)	127 mm (5.0 inches)	86%	very high
October Weather	14°C (57°F)	173 mm (6.8 inches)	82%	high
November Weather	8°C (46°F)	68 mm (2.7 inches)	79%	moderate
December Weather	2°C (35°F)	117 mm (4.6 inches)	80%	moderate