October Weather in Oyama, Japan

Last updated: August 23, 2025

In October, the average temperature in Oyama, Japan hovers around 22°C (71°F), with a minimum of 15°C (60°F) and a maximum of 27°C (81°F). Expect 328 mm (12.9 in) of precipitation spread across 17 days, contributing to an average humidity of 83%. Be prepared for a mix of warm temperatures and occasional rain!

October Temperature in Oyama

In October in Oyama, the average temperature is 22°C (71°F). The maximum can reach 27°C (81°F), while the minimum can dip as low as 15°C (60°F). It's a pleasant time for visiting, with comfortable temperatures for outdoor activities and sightseeing.

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

The chart illustrates October temperature patterns in Oyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oyama, October typically has an average temperature of 22°C (71°F), with highs reaching up to 27°C (81°F) and lows dropping to around 15°C (60°F).

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

October Precipitation in Oyama

In Oyama in October, the total precipitation amount reaches 328 mm (12.9 in) over a span of 17 days.

October Precipitation Trends in Oyama

The chart displays monthly precipitation patterns in Oyama, 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 Oyama, October typically receives around 328 mm (12.9 inches) of precipitation spread over approximately 17 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 Oyama

In Oyama in October humidity is 83%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

October Average Humidity in Oyama

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

In Oyama 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 Oyama.

Maximum UV Index Levels in Oyama for October

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

Data source: Oyama 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 Oyama Compares to Other Months

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

This table compares monthly weather conditions in Oyama, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	70 mm (2.8 inches)	76%	moderate
February Weather	10°C (50°F)	93 mm (3.7 inches)	74%	high
March Weather	13°C (55°F)	189 mm (7.4 inches)	70%	very high
April Weather	16°C (60°F)	164 mm (6.4 inches)	74%	very high
May Weather	19°C (67°F)	213 mm (8.4 inches)	81%	extreme
June Weather	22°C (72°F)	302 mm (11.9 inches)	88%	extreme
July Weather	25°C (78°F)	363 mm (14.3 inches)	93%	extreme
August Weather	27°C (81°F)	163 mm (6.4 inches)	90%	extreme
September Weather	25°C (78°F)	255 mm (10.0 inches)	86%	very high
October Weather	22°C (71°F)	328 mm (12.9 inches)	83%	high
November Weather	17°C (63°F)	137 mm (5.4 inches)	80%	moderate
December Weather	12°C (55°F)	99 mm (3.9 inches)	78%	moderate