January Weather in Oamishirasato, Japan

Last updated: August 23, 2025

In January, the average temperature in Oamishirasato, Japan hovers around 6°C (44°F). Expect minimum temperatures dipping to -1°C (31°F) and maximums reaching up to 18°C (64°F). With an average humidity of 70%, the season brings about 58 mm (2.3 in) of precipitation spread over 6 days. Get ready for some refreshing yet varied weather!

January Temperature in Oamishirasato

In January in Oamishirasato, the average temperature is 6°C (44°F). The maximum can reach 18°C (64°F), while the minimum can drop as low as -1°C (31°F). Travelers should prepare for a range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Oamishirasato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oamishirasato, January typically has an average temperature of 6°C (44°F), with highs reaching up to 18°C (64°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in Oamishirasato

In Oamishirasato in January, the precipitation amount is 58 mm (2.3 in) over the course of 6 days.

January Precipitation Trends in Oamishirasato

The chart displays monthly precipitation patterns in Oamishirasato, 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 Oamishirasato, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 6 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 Oamishirasato

In Oamishirasato in January humidity is 70%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that penetrates your bones, making it essential to dress in layers for your travels while preparing for a brisk and potentially uncomfortable environment.

January Average Humidity in Oamishirasato

This chart illustrates the average monthly humidity levels in Oamishirasato, 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 Oamishirasato is approximately 70%, 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 Oamishirasato

In Oamishirasato 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 Oamishirasato, you can check the information here.

Maximum UV Index Levels in Oamishirasato for January

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

Data source: Oamishirasato 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 Oamishirasato Compares to Other Months

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

This table compares monthly weather conditions in Oamishirasato, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	58 mm (2.3 inches)	70%	moderate
February Weather	7°C (45°F)	49 mm (1.9 inches)	69%	moderate
March Weather	11°C (52°F)	148 mm (5.8 inches)	68%	very high
April Weather	15°C (58°F)	117 mm (4.6 inches)	73%	very high
May Weather	19°C (67°F)	131 mm (5.1 inches)	81%	extreme
June Weather	22°C (72°F)	171 mm (6.7 inches)	88%	extreme
July Weather	26°C (79°F)	205 mm (8.1 inches)	94%	extreme
August Weather	28°C (82°F)	105 mm (4.1 inches)	87%	extreme
September Weather	24°C (76°F)	192 mm (7.6 inches)	83%	very high
October Weather	19°C (67°F)	271 mm (10.7 inches)	78%	high
November Weather	15°C (59°F)	107 mm (4.2 inches)	74%	moderate
December Weather	9°C (49°F)	78 mm (3.1 inches)	72%	moderate