October Weather in Tosa, Japan

Last updated: August 23, 2025

In Tosa, Japan, the average temperature in October hovers around 20°C (68°F). You'll experience a range from a cool 10°C (51°F) to a warm 29°C (84°F). Expect some rainfall, with a total precipitation of 337 mm (13.3 in) spread over about 13 days, and the air will feel quite humid with an average of 82% humidity. Stay prepared for a mix of weather this month!

October Temperature in Tosa

In October in Tosa, the average temperature is 20°C (68°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 10°C (51°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy mild temperatures.

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

The chart illustrates October temperature patterns in Tosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tosa, October typically has an average temperature of 20°C (68°F), with highs reaching up to 29°C (84°F) and lows dropping to around 10°C (51°F).

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

October Precipitation in Tosa

In Tosa in October, the precipitation amount is 337 mm (13.3 in) spread over 13 days, indicating a significant level of rainfall during that time.

October Precipitation Trends in Tosa

The chart displays monthly precipitation patterns in Tosa, 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 Tosa, October typically receives around 337 mm (13.3 inches) of precipitation spread over approximately 13 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 Tosa

In Tosa in October humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.

October Average Humidity in Tosa

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

In Tosa 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 Tosa.

Maximum UV Index Levels in Tosa for October

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

Data source: Tosa 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 Tosa Compares to Other Months

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

This table compares monthly weather conditions in Tosa, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	69 mm (2.7 inches)	74%	moderate
February Weather	8°C (46°F)	100 mm (3.9 inches)	70%	high
March Weather	12°C (53°F)	179 mm (7.1 inches)	70%	very high
April Weather	15°C (59°F)	203 mm (8.0 inches)	76%	extreme
May Weather	19°C (67°F)	231 mm (9.1 inches)	82%	extreme
June Weather	22°C (72°F)	314 mm (12.4 inches)	86%	extreme
July Weather	26°C (79°F)	579 mm (22.8 inches)	91%	extreme
August Weather	27°C (81°F)	337 mm (13.3 inches)	88%	extreme
September Weather	25°C (76°F)	348 mm (13.7 inches)	85%	very high
October Weather	20°C (68°F)	337 mm (13.3 inches)	82%	high
November Weather	14°C (58°F)	81 mm (3.2 inches)	79%	high
December Weather	9°C (49°F)	80 mm (3.1 inches)	77%	moderate