January Weather in Hirara, Japan

Last updated: August 23, 2025

In January, the average temperature in Hirara, Japan is a pleasant 20°C (68°F). Expect a bit of variability, with minimums dipping to 12°C (55°F) and maximums soaring to 25°C (77°F). During this month, you can anticipate around 90 mm (3.6 in) of precipitation spread over 12 days, contributing to an average humidity of 73%.

January Temperature in Hirara

In January in Hirara, the average temperature is 20°C (68°F). Maximums can reach 25°C (77°F), while minimums can be as low as 12°C (55°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates January temperature patterns in Hirara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hirara, January typically has an average temperature of 20°C (68°F), with highs reaching up to 25°C (77°F) and lows dropping to around 12°C (55°F).

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

January Precipitation in Hirara

In Hirara in January, the precipitation amount is 90 mm (3.6 in) spread over 12 days.

January Precipitation Trends in Hirara

The chart displays monthly precipitation patterns in Hirara, 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 Hirara, January typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 12 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 Hirara

In Hirara in January, humidity is 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.

January Average Humidity in Hirara

This chart illustrates the average monthly humidity levels in Hirara, 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 Hirara is approximately 73%, 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 Hirara

In Hirara 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 Hirara.

Maximum UV Index Levels in Hirara for January

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

Data source: Hirara 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 Hirara Compares to Other Months

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

This table compares monthly weather conditions in Hirara, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	90 mm (3.6 inches)	73%	high
February Weather	20°C (68°F)	74 mm (2.9 inches)	73%	very high
March Weather	21°C (71°F)	135 mm (5.3 inches)	77%	extreme
April Weather	23°C (73°F)	126 mm (5.0 inches)	83%	extreme
May Weather	25°C (78°F)	157 mm (6.2 inches)	85%	extreme
June Weather	28°C (82°F)	232 mm (9.2 inches)	86%	extreme
July Weather	29°C (84°F)	221 mm (8.7 inches)	84%	extreme
August Weather	28°C (83°F)	279 mm (11.0 inches)	82%	extreme
September Weather	28°C (83°F)	260 mm (10.3 inches)	83%	extreme
October Weather	26°C (79°F)	140 mm (5.5 inches)	81%	very high
November Weather	24°C (76°F)	123 mm (4.9 inches)	81%	very high
December Weather	22°C (71°F)	229 mm (9.0 inches)	77%	high