October Weather in Umi, Japan

Last updated: August 23, 2025

In October, the average temperature in Umi, Japan hovers around 19°C (67°F), providing a comfortable climate for visitors. However, temperatures can vary significantly, with minimums dipping to 8°C (47°F) and maximums soaring to 32°C (89°F). Expect some moisture, as the region receives about 113 mm (4.5 in) of precipitation over 10 days, contributing to an average humidity level of 83%.

October Temperature in Umi

In October in Umi, the average temperature is 19°C (67°F). Maximum temperatures can reach 32°C (89°F), while the minimum can drop as low as 8°C (47°F). This makes it a great time for travelers to enjoy mild weather, perfect for exploring and outdoor activities.

October Weather in Umi: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Umi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umi, October typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (89°F) and lows dropping to around 8°C (47°F).

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

October Precipitation in Umi

In Umi in October, the total precipitation amount is 113 mm (4.5 in) over the course of 10 days.

October Precipitation Trends in Umi

The chart displays monthly precipitation patterns in Umi, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Umi, October typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Umi

In Umi in October humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.

October Average Humidity in Umi

This chart illustrates the average monthly humidity levels in Umi, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Umi is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Umi

In Umi in October, 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 Umi.

Maximum UV Index Levels in Umi for October

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

Data source: Umi October 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 October Weather in Umi Compares to Other Months

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

This table compares monthly weather conditions in Umi, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	58 mm (2.3 inches)	75%	moderate
February Weather	7°C (45°F)	80 mm (3.1 inches)	71%	high
March Weather	11°C (52°F)	121 mm (4.8 inches)	71%	very high
April Weather	15°C (59°F)	115 mm (4.5 inches)	78%	extreme
May Weather	20°C (68°F)	163 mm (6.4 inches)	84%	extreme
June Weather	23°C (74°F)	199 mm (7.8 inches)	86%	extreme
July Weather	27°C (81°F)	367 mm (14.4 inches)	92%	extreme
August Weather	28°C (83°F)	303 mm (11.9 inches)	91%	extreme
September Weather	24°C (76°F)	206 mm (8.1 inches)	84%	extreme
October Weather	19°C (67°F)	113 mm (4.5 inches)	83%	high
November Weather	13°C (56°F)	52 mm (2.1 inches)	81%	high
December Weather	8°C (46°F)	68 mm (2.7 inches)	79%	moderate