October Weather in Hayashima, Japan

Last updated: August 23, 2025

In October, the average temperature in Hayashima, Japan is a pleasant 20°C (68°F), with a range that can drop to a cool 12°C (54°F) and peak at a warm 29°C (84°F). Be prepared for 193 mm (7.6 in) of precipitation spread over 11 days, contributing to an average humidity of 85%. It's an ideal time for those who appreciate a slightly damp, yet comfortable climate!

October Temperature in Hayashima

In October in Hayashima, the average temperature is 20°C (68°F), with maximums reaching 29°C (84°F) and minimums dropping to as low as 12°C (54°F). This pleasant climate makes Hayashima an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates October temperature patterns in Hayashima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayashima, 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 12°C (54°F).

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

October Precipitation in Hayashima

In Hayashima in October, the total precipitation amount is 193 mm (7.6 in) over the course of 11 days.

October Precipitation Trends in Hayashima

The chart displays monthly precipitation patterns in Hayashima, 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 Hayashima, October typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 11 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 Hayashima

In Hayashima in October, humidity is 85%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky blanket enveloping you, making outdoor activities quite uncomfortable and prompting travelers to seek shade and hydration more frequently.

October Average Humidity in Hayashima

This chart illustrates the average monthly humidity levels in Hayashima, 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 Hayashima is approximately 85%, 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 Hayashima

In Hayashima 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 Hayashima.

Maximum UV Index Levels in Hayashima for October

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

Data source: Hayashima 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 Hayashima Compares to Other Months

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

This table compares monthly weather conditions in Hayashima, 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 (44°F)	41 mm (1.6 inches)	82%	moderate
February Weather	7°C (44°F)	56 mm (2.2 inches)	79%	moderate
March Weather	10°C (50°F)	100 mm (3.9 inches)	73%	very high
April Weather	14°C (57°F)	126 mm (5.0 inches)	74%	very high
May Weather	18°C (65°F)	121 mm (4.8 inches)	84%	extreme
June Weather	22°C (72°F)	150 mm (5.9 inches)	86%	extreme
July Weather	26°C (79°F)	279 mm (11.0 inches)	92%	extreme
August Weather	28°C (83°F)	144 mm (5.7 inches)	92%	extreme
September Weather	25°C (77°F)	187 mm (7.3 inches)	87%	very high
October Weather	20°C (68°F)	193 mm (7.6 inches)	85%	high
November Weather	14°C (58°F)	38 mm (1.5 inches)	84%	moderate
December Weather	9°C (48°F)	50 mm (2.0 inches)	82%	moderate