October Weather in Sayama, Japan

Last updated: August 23, 2025

In October, the average temperature in Sayama, Japan is a pleasant 18°C (64°F). However, temperatures can vary, with a minimum of 7°C (44°F) and a maximum reaching up to 31°C (89°F). During this time, expect 291 mm (11.4 in) of precipitation spread over 16 days, contributing to an average humidity of 83%.

October Temperature in Sayama

In October in Sayama, the average temperature is 18°C (64°F). Maximums can reach 31°C (89°F), while minimums can drop as low as 7°C (44°F). It's a great time to visit Sayama, as you can enjoy mild weather and a variety of outdoor activities.

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

The chart illustrates October temperature patterns in Sayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sayama, October typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (89°F) and lows dropping to around 7°C (44°F).

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

October Precipitation in Sayama

In Sayama in October, the precipitation amount is 291 mm (11.4 in) over the course of 16 days.

October Precipitation Trends in Sayama

The chart displays monthly precipitation patterns in Sayama, 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 Sayama, October typically receives around 291 mm (11.4 inches) of precipitation spread over approximately 16 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 Sayama

In Sayama in October humidity is 83%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket enveloping you, making outdoor exploring somewhat sticky and requiring frequent hydration breaks.

October Average Humidity in Sayama

This chart illustrates the average monthly humidity levels in Sayama, 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 Sayama 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 Sayama

In Sayama 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 Sayama.

Maximum UV Index Levels in Sayama for October

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

Data source: Sayama 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 Sayama Compares to Other Months

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

This table compares monthly weather conditions in Sayama, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	47 mm (1.8 inches)	76%	moderate
February Weather	6°C (42°F)	50 mm (2.0 inches)	74%	moderate
March Weather	10°C (50°F)	144 mm (5.7 inches)	70%	very high
April Weather	14°C (57°F)	126 mm (5.0 inches)	74%	very high
May Weather	19°C (67°F)	117 mm (4.6 inches)	81%	extreme
June Weather	22°C (72°F)	168 mm (6.6 inches)	88%	extreme
July Weather	26°C (79°F)	252 mm (9.9 inches)	93%	extreme
August Weather	28°C (82°F)	133 mm (5.3 inches)	90%	extreme
September Weather	23°C (74°F)	201 mm (7.9 inches)	86%	very high
October Weather	18°C (64°F)	291 mm (11.4 inches)	83%	high
November Weather	12°C (55°F)	69 mm (2.7 inches)	80%	moderate
December Weather	7°C (44°F)	55 mm (2.2 inches)	78%	moderate