January Weather in Oketo, Japan

Last updated: August 23, 2025

In January, the average temperature in Oketo, Japan hovers around -9°C (16°F). Expect chilly days, with minimum temperatures dipping to -24°C (-11°F) and occasionally reaching a maximum of 4°C (40°F). Alongside the cold, you can anticipate 59 mm (2.3 in) of precipitation over 10 days, all wrapped in an average humidity of 84%. Stay warm and prepared for a wintery adventure!

January Temperature in Oketo

In January in Oketo, the average temperature is -9°C (16°F), with maximums reaching 4°C (40°F) and minimums dropping as low as -24°C (-11°F). Visitors should prepare for very cold weather and dress warmly when traveling during this time.

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

The chart illustrates January temperature patterns in Oketo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oketo, January typically has an average temperature of -9°C (16°F), with highs reaching up to 4°C (40°F) and lows dropping to around -24°C (-11°F).

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

January Precipitation in Oketo

In Oketo in January, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

January Precipitation Trends in Oketo

The chart displays monthly precipitation patterns in Oketo, 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 Oketo, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 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 Oketo

In Oketo in January humidity is 84%. With an average temperature of -9°C (16°F), this humidity feels like an uncomfortable chill that cuts through layers of clothing, making travel quite difficult as it increases the sensation of cold and dampness.

January Average Humidity in Oketo

This chart illustrates the average monthly humidity levels in Oketo, 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 Oketo is approximately 84%, 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 Oketo

In Oketo in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Oketo, you can visit Hourly UV Index in Oketo.

Maximum UV Index Levels in Oketo for January

The chart shows the monthly maximum UV Index (UVI) for Oketo 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 Oketo typically reaches 2, which falls under the low exposure category.

Data source: Oketo 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 Oketo Compares to Other Months

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

This table compares monthly weather conditions in Oketo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	59 mm (2.3 inches)	84%	low
February Weather	-8°C (18°F)	62 mm (2.4 inches)	83%	moderate
March Weather	-2°C (29°F)	88 mm (3.5 inches)	83%	high
April Weather	4°C (39°F)	75 mm (3.0 inches)	83%	very high
May Weather	11°C (52°F)	99 mm (3.9 inches)	86%	very high
June Weather	14°C (57°F)	123 mm (4.8 inches)	88%	very high
July Weather	19°C (66°F)	122 mm (4.8 inches)	93%	very high
August Weather	18°C (65°F)	167 mm (6.6 inches)	96%	very high
September Weather	15°C (59°F)	101 mm (4.0 inches)	89%	very high
October Weather	9°C (48°F)	123 mm (4.9 inches)	83%	moderate
November Weather	2°C (36°F)	89 mm (3.5 inches)	80%	moderate
December Weather	-5°C (23°F)	60 mm (2.3 inches)	79%	low