January Weather in Nagawa, Japan

Last updated: August 23, 2025

In January, the average temperature in Nagawa, Japan hovers around 0°C (32°F). Expect minimum chills of -13°C (9°F) and the occasional warmth peaking at 11°C (52°F). With 56 mm (2.2 in) of precipitation spread over 10 days, don’t forget your umbrella! The atmosphere is quite humid, with an average humidity level of 88%.

January Temperature in Nagawa

In January in Nagawa, the average temperature is 0°C (32°F). Maximum temperatures can reach 11°C (52°F), while minimums can drop as low as -13°C (9°F). Pack warm layers and be prepared for chilly weather if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Nagawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nagawa, January typically has an average temperature of 0°C (32°F), with highs reaching up to 11°C (52°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Nagawa

In Nagawa in January, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

January Precipitation Trends in Nagawa

The chart displays monthly precipitation patterns in Nagawa, 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 Nagawa, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 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 Nagawa

In Nagawa in January, humidity is 88%. With an average temperature of 0°C (32°F), this humidity feels like a chilly, damp blanket enveloping you, making travel uncomfortable as every breath seems to carry the weight of the cold moisture, turning each step into a struggle against the biting chill.

January Average Humidity in Nagawa

This chart illustrates the average monthly humidity levels in Nagawa, 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 Nagawa is approximately 88%, 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 Nagawa

In Nagawa 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 Nagawa for better planning.

Maximum UV Index Levels in Nagawa for January

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

Data source: Nagawa 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 Nagawa Compares to Other Months

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

This table compares monthly weather conditions in Nagawa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	56 mm (2.2 inches)	88%	moderate
February Weather	1°C (33°F)	61 mm (2.4 inches)	86%	high
March Weather	5°C (41°F)	110 mm (4.3 inches)	81%	very high
April Weather	9°C (49°F)	111 mm (4.4 inches)	78%	very high
May Weather	15°C (60°F)	120 mm (4.7 inches)	81%	extreme
June Weather	19°C (66°F)	121 mm (4.8 inches)	88%	extreme
July Weather	22°C (73°F)	229 mm (9.0 inches)	92%	extreme
August Weather	24°C (75°F)	121 mm (4.7 inches)	92%	extreme
September Weather	19°C (67°F)	144 mm (5.7 inches)	89%	very high
October Weather	13°C (56°F)	212 mm (8.4 inches)	87%	high
November Weather	7°C (45°F)	45 mm (1.8 inches)	85%	moderate
December Weather	2°C (36°F)	62 mm (2.4 inches)	86%	moderate