October Weather in Isahaya, Japan

Last updated: August 23, 2025

In October, the average temperature in Isahaya, Japan is a mild 20°C (69°F), with temperatures ranging from a comfortable 14°C (57°F) to a warm 28°C (83°F). Expect 117 mm (4.6 in) of precipitation spread over 8 days, contributing to an average humidity of 79%. Perfect for those who enjoy a touch of freshness in the air!

October Temperature in Isahaya

In October in Isahaya, the average temperature is 20°C (69°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 14°C (57°F). This moderate climate makes it an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates October temperature patterns in Isahaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isahaya, October typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (83°F) and lows dropping to around 14°C (57°F).

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

October Precipitation in Isahaya

In Isahaya in October, the total precipitation amount is 117 mm (4.6 in) over a span of 8 days.

October Precipitation Trends in Isahaya

The chart displays monthly precipitation patterns in Isahaya, 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 Isahaya, October typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Isahaya

In Isahaya in October humidity is 79%. With an average temperature of 20°C (69°F), this humidity feels like a warm, steamy embrace, making travel slightly uncomfortable as the air feels heavy and sticky, often leaving you yearning for a cool breeze or air conditioning to escape the dampness.

October Average Humidity in Isahaya

This chart illustrates the average monthly humidity levels in Isahaya, 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 Isahaya is approximately 79%, 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 Isahaya

In Isahaya in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Isahaya.

Maximum UV Index Levels in Isahaya for October

The chart shows the monthly maximum UV Index (UVI) for Isahaya 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 Isahaya typically reaches 8, which falls under the very high exposure category.

Data source: Isahaya 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 Isahaya Compares to Other Months

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

This table compares monthly weather conditions in Isahaya, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	61 mm (2.4 inches)	73%	moderate
February Weather	9°C (48°F)	106 mm (4.2 inches)	69%	high
March Weather	12°C (54°F)	157 mm (6.2 inches)	71%	very high
April Weather	15°C (60°F)	143 mm (5.6 inches)	79%	extreme
May Weather	19°C (67°F)	229 mm (9.0 inches)	87%	extreme
June Weather	22°C (73°F)	272 mm (10.7 inches)	91%	extreme
July Weather	26°C (79°F)	442 mm (17.4 inches)	97%	extreme
August Weather	28°C (82°F)	326 mm (12.8 inches)	94%	extreme
September Weather	25°C (77°F)	225 mm (8.9 inches)	84%	extreme
October Weather	20°C (69°F)	117 mm (4.6 inches)	79%	very high
November Weather	15°C (60°F)	81 mm (3.2 inches)	75%	high
December Weather	10°C (51°F)	92 mm (3.6 inches)	72%	moderate