January Weather in Hamura, Japan

Last updated: August 23, 2025

In January, the average temperature in Hamura, Japan hovers around 3°C (37°F). Expect a chilly minimum of -13°C (9°F) and a pleasant maximum of 17°C (63°F). With an average precipitation of 53 mm (2.1 in) over approximately 7 days, you might want to keep an umbrella handy. Additionally, the air will feel quite humid, with an average humidity of 76%.

January Temperature in Hamura

In January in Hamura, the average temperature is 3°C (37°F). Maximums can reach 17°C (63°F), while minimums can be as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Hamura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamura, January typically has an average temperature of 3°C (37°F), with highs reaching up to 17°C (63°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Hamura

In Hamura in January, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.

January Precipitation Trends in Hamura

The chart displays monthly precipitation patterns in Hamura, 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 Hamura, January typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 7 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 Hamura

In Hamura in January, humidity is 76%. With an average temperature of 3°C (37°F), this humidity feels like trudging through a cold, damp fog that envelops you, making travel feel heavy and uncomfortable.

January Average Humidity in Hamura

This chart illustrates the average monthly humidity levels in Hamura, 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 Hamura is approximately 76%, 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 Hamura

In Hamura 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 Hamura for better planning.

Maximum UV Index Levels in Hamura for January

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

Data source: Hamura 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 Hamura Compares to Other Months

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

This table compares monthly weather conditions in Hamura, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	53 mm (2.1 inches)	76%	moderate
February Weather	4°C (40°F)	62 mm (2.4 inches)	74%	high
March Weather	8°C (47°F)	166 mm (6.5 inches)	70%	very high
April Weather	12°C (54°F)	150 mm (5.9 inches)	74%	very high
May Weather	17°C (64°F)	148 mm (5.8 inches)	81%	extreme
June Weather	20°C (69°F)	209 mm (8.2 inches)	88%	extreme
July Weather	24°C (76°F)	312 mm (12.3 inches)	93%	extreme
August Weather	26°C (79°F)	195 mm (7.7 inches)	90%	extreme
September Weather	22°C (71°F)	247 mm (9.7 inches)	86%	very high
October Weather	16°C (61°F)	346 mm (13.6 inches)	83%	high
November Weather	11°C (52°F)	72 mm (2.8 inches)	80%	moderate
December Weather	5°C (42°F)	62 mm (2.4 inches)	78%	moderate