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October Weather in Nankoku, Japan

Last updated: August 23, 2025

In October, the average temperature in Nankoku, Japan is a pleasant 20°C (69°F). You can expect a range between a minimum of 11°C (52°F) and a maximum of 29°C (85°F). However, be prepared for some rain, as total precipitation averages 251 mm (9.9 in) spread over 12 days. With an average humidity of 82%, it's a time best suited for those who enjoy a touch of warmth and a hint of moisture in the air.

October Temperature in Nankoku

In October, in Nankoku, the average temperature is 20°C (69°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 11°C (52°F). This mild climate makes Nankoku an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates October temperature patterns in Nankoku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nankoku, October typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec464753606772798177695950
Data source: Temperature data for Nankoku 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 Nankoku

In Nankoku in October, the precipitation amount is 251 mm (9.9 in) spread over the course of 12 days.

October Precipitation Trends in Nankoku

The chart displays monthly precipitation patterns in Nankoku, 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 Nankoku, October typically receives around 251 mm (9.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec54861471702062865232982622516367
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Nankoku

In Nankoku in October humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

October Average Humidity in Nankoku

This chart illustrates the average monthly humidity levels in Nankoku, 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 Nankoku is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Nankoku

In Nankoku 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 Nankoku.

Maximum UV Index Levels in Nankoku for October

The chart shows the monthly maximum UV Index (UVI) for Nankoku 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 Nankoku typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121210764
Data source: Nankoku 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 Nankoku Compares to Other Months

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

This table compares monthly weather conditions in Nankoku, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)54 mm (2.1 inches)74%moderate
February Weather8°C (47°F)86 mm (3.4 inches)70%high
March Weather12°C (54°F)147 mm (5.8 inches)70%very high
April Weather15°C (60°F)170 mm (6.7 inches)76%extreme
May Weather19°C (67°F)206 mm (8.1 inches)82%extreme
June Weather22°C (73°F)286 mm (11.3 inches)86%extreme
July Weather26°C (79°F)523 mm (20.6 inches)91%extreme
August Weather27°C (82°F)298 mm (11.7 inches)88%extreme
September Weather25°C (77°F)262 mm (10.3 inches)85%very high
October Weather20°C (69°F)251 mm (9.9 inches)82%high
November Weather15°C (59°F)63 mm (2.5 inches)79%high
December Weather10°C (50°F)67 mm (2.7 inches)77%moderate

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