January Weather in Katsuren-haebaru, Japan

Last updated: August 23, 2025

In January, the average temperature in Katsuren-haebaru, Japan is a pleasant 19°C (66°F), with daily variations ranging from a cool 12°C (54°F) to a warm 24°C (75°F). Expect around 91 mm (3.6 in) of precipitation over 11 days, contributing to an average humidity of 71%. This combination of conditions creates a refreshing atmosphere perfect for exploring!

January Temperature in Katsuren-haebaru

In January in Katsuren-haebaru, the average temperature is 19°C (66°F). Maximums can reach 24°C (75°F), while minimums can drop as low as 12°C (54°F). This mild climate makes Katsuren-haebaru a great destination for outdoor activities and sightseeing during this time of year.

January Weather in Katsuren-haebaru: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Katsuren-haebaru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katsuren-haebaru, January typically has an average temperature of 19°C (66°F), with highs reaching up to 24°C (75°F) and lows dropping to around 12°C (54°F).

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

January Precipitation in Katsuren-haebaru

In Katsuren-haebaru in January, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

January Precipitation Trends in Katsuren-haebaru

The chart displays monthly precipitation patterns in Katsuren-haebaru, 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 Katsuren-haebaru, January typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 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 Katsuren-haebaru

In Katsuren-haebaru in January humidity is 71%. With an average temperature of 19°C (66°F), this humidity feels like a warm, balmy embrace that enhances the tropical atmosphere, making it a perfect backdrop for leisurely strolls and outdoor adventures, though it may also lead to a slightly sticky feeling as you explore.

January Average Humidity in Katsuren-haebaru

This chart illustrates the average monthly humidity levels in Katsuren-haebaru, 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 Katsuren-haebaru is approximately 71%, 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 Katsuren-haebaru

In Katsuren-haebaru in January, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Katsuren-haebaru.

Maximum UV Index Levels in Katsuren-haebaru for January

The chart shows the monthly maximum UV Index (UVI) for Katsuren-haebaru 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 Katsuren-haebaru typically reaches 7, which falls under the high exposure category.

Data source: Katsuren-haebaru 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 Katsuren-haebaru Compares to Other Months

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

This table compares monthly weather conditions in Katsuren-haebaru, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	91 mm (3.6 inches)	71%	high
February Weather	19°C (66°F)	97 mm (3.8 inches)	71%	very high
March Weather	20°C (68°F)	107 mm (4.2 inches)	76%	extreme
April Weather	21°C (71°F)	137 mm (5.4 inches)	82%	extreme
May Weather	24°C (76°F)	208 mm (8.2 inches)	84%	extreme
June Weather	26°C (80°F)	302 mm (11.9 inches)	86%	extreme
July Weather	28°C (83°F)	192 mm (7.6 inches)	86%	extreme
August Weather	28°C (83°F)	205 mm (8.1 inches)	82%	extreme
September Weather	28°C (82°F)	253 mm (10.0 inches)	82%	extreme
October Weather	26°C (79°F)	160 mm (6.3 inches)	80%	very high
November Weather	23°C (74°F)	103 mm (4.1 inches)	79%	very high
December Weather	20°C (69°F)	188 mm (7.4 inches)	75%	high