October Weather in Oi, Japan

Last updated: August 23, 2025

In October, the average temperature in Oi, 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 Oi

In October in Oi, 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 Oi, as you can enjoy mild weather and a variety of outdoor activities.

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

The chart illustrates October temperature patterns in Oi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394250576672788274645444
Data source: Temperature data for Oi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Oi

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

October Precipitation Trends in Oi

The chart displays monthly precipitation patterns in Oi, 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 Oi, October typically receives around 291 mm (11.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec47501441261171682521332012916955
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Oi

In Oi 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 Oi

This chart illustrates the average monthly humidity levels in Oi, 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 Oi is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Oi

In Oi 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 Oi.

Maximum UV Index Levels in Oi for October

The chart shows the monthly maximum UV Index (UVI) for Oi 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 Oi typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35891111111110754
Data source: Oi 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 Oi Compares to Other Months

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

This table compares monthly weather conditions in Oi, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)47 mm (1.8 inches)76%moderate
February Weather6°C (42°F)50 mm (2.0 inches)74%moderate
March Weather10°C (50°F)144 mm (5.7 inches)70%very high
April Weather14°C (57°F)126 mm (5.0 inches)74%very high
May Weather19°C (67°F)117 mm (4.6 inches)81%extreme
June Weather22°C (72°F)168 mm (6.6 inches)88%extreme
July Weather26°C (79°F)252 mm (9.9 inches)93%extreme
August Weather28°C (82°F)133 mm (5.3 inches)90%extreme
September Weather23°C (74°F)201 mm (7.9 inches)86%very high
October Weather18°C (64°F)291 mm (11.4 inches)83%high
November Weather12°C (55°F)69 mm (2.7 inches)80%moderate
December Weather7°C (44°F)55 mm (2.2 inches)78%moderate

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