January Weather in Hiratacho, Japan

Last updated: August 23, 2025

In Hiratacho, Japan, the average temperature in January hovers around 7°C (45°F), with a range that can dip to a brisk -1°C (30°F) and peak at a mild 16°C (61°F). Expect 129 mm (5.1 in) of precipitation spread over 18 days, contributing to a notably high average humidity of 82%. It's a month characterized by cool days and frequent showers, ideal for cozy indoor activities!

January Temperature in Hiratacho

In January in Hiratacho, the average temperature is 7°C (45°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop as low as -1°C (30°F). It's advisable to pack layers and prepare for varying weather conditions when traveling during this time.

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

The chart illustrates January temperature patterns in Hiratacho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hiratacho, January typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (61°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Hiratacho

In Hiratacho in January, the total precipitation amount is 129 mm (5.1 in) spread over 18 days.

January Precipitation Trends in Hiratacho

The chart displays monthly precipitation patterns in Hiratacho, 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 Hiratacho, January typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 18 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 Hiratacho

In Hiratacho in January humidity is 82%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities feel much colder and less inviting, which can make exploring less enjoyable unless you're dressed warmly.

January Average Humidity in Hiratacho

This chart illustrates the average monthly humidity levels in Hiratacho, 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 Hiratacho is approximately 82%, 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 Hiratacho

In Hiratacho 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 Hiratacho, you can check the information here.

Maximum UV Index Levels in Hiratacho for January

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

Data source: Hiratacho 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 Hiratacho Compares to Other Months

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

This table compares monthly weather conditions in Hiratacho, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	129 mm (5.1 inches)	82%	moderate
February Weather	7°C (45°F)	127 mm (5.0 inches)	79%	moderate
March Weather	10°C (50°F)	138 mm (5.4 inches)	73%	high
April Weather	13°C (56°F)	120 mm (4.7 inches)	74%	very high
May Weather	18°C (64°F)	99 mm (3.9 inches)	84%	very high
June Weather	21°C (70°F)	163 mm (6.4 inches)	86%	extreme
July Weather	25°C (77°F)	260 mm (10.2 inches)	92%	extreme
August Weather	27°C (81°F)	221 mm (8.7 inches)	92%	extreme
September Weather	24°C (75°F)	223 mm (8.8 inches)	87%	very high
October Weather	19°C (67°F)	166 mm (6.6 inches)	85%	high
November Weather	15°C (58°F)	70 mm (2.8 inches)	84%	moderate
December Weather	10°C (49°F)	150 mm (5.9 inches)	82%	moderate