January Weather in Miyake, Japan

Last updated: August 23, 2025

In Miyake, Japan, the average temperature in January hovers around 12°C (54°F). Expect a minimum of 4°C (40°F) and a pleasant maximum of 20°C (68°F). With 111 mm (4.4 in) of precipitation spread over 14 days, it's a moderately wet month, accompanied by an average humidity of 69%. Prepare for a mix of cool and damp days!

January Temperature in Miyake

In January, in Miyake, the average temperature is 12°C (54°F). The maximum can reach 20°C (68°F), while the minimum can drop to as low as 4°C (40°F). It’s advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Miyake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miyake, January typically has an average temperature of 12°C (54°F), with highs reaching up to 20°C (68°F) and lows dropping to around 4°C (40°F).

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

January Precipitation in Miyake

In Miyake in January, the precipitation amount is 111 mm (4.4 in) during 14 days, indicating a significant amount of rainfall for that period.

January Precipitation Trends in Miyake

The chart displays monthly precipitation patterns in Miyake, 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 Miyake, January typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 14 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 Miyake

In Miyake in January humidity is 69%. With an average temperature of 12°C (54°F), this humidity feels like a cool, brisk morning, perfect for a light jacket but a bit damp, making outdoor activities refreshing yet slightly uncomfortable for prolonged exposure.

January Average Humidity in Miyake

This chart illustrates the average monthly humidity levels in Miyake, 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 Miyake is approximately 69%, 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 Miyake

In Miyake in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Miyake for better planning.

Maximum UV Index Levels in Miyake for January

The chart shows the monthly maximum UV Index (UVI) for Miyake 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 Miyake typically reaches 4, which falls under the moderate exposure category.

Data source: Miyake 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 Miyake Compares to Other Months

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

This table compares monthly weather conditions in Miyake, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	111 mm (4.4 inches)	69%	moderate
February Weather	12°C (54°F)	102 mm (4.0 inches)	68%	high
March Weather	15°C (58°F)	225 mm (8.9 inches)	69%	very high
April Weather	17°C (63°F)	136 mm (5.3 inches)	75%	very high
May Weather	20°C (69°F)	185 mm (7.3 inches)	82%	extreme
June Weather	23°C (74°F)	284 mm (11.2 inches)	88%	extreme
July Weather	26°C (79°F)	258 mm (10.2 inches)	92%	extreme
August Weather	28°C (82°F)	111 mm (4.4 inches)	85%	extreme
September Weather	26°C (79°F)	300 mm (11.8 inches)	82%	very high
October Weather	23°C (73°F)	345 mm (13.6 inches)	78%	high
November Weather	19°C (66°F)	194 mm (7.6 inches)	74%	high
December Weather	15°C (59°F)	135 mm (5.3 inches)	72%	moderate