October Weather in Nantan, Japan

Last updated: August 23, 2025

In October, the average temperature in Nantan, Japan hovers around 18°C (64°F), with extremes ranging from a chilly 6°C (43°F) to a warm 31°C (87°F). Expect 243 mm (9.6 in) of precipitation over approximately 12 days, contributing to an average humidity level of 85%. Whether you’re enjoying the mild days or navigating the rain, be prepared for a quintessential experience of this vibrant location!

October Temperature in Nantan

In October in Nantan, the average temperature is 18°C (64°F), with maximums reaching 31°C (87°F) and minimums dropping as low as 6°C (43°F). This makes it a great time to visit for those who enjoy mild weather with the possibility of warm days and cool evenings.

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

The chart illustrates October temperature patterns in Nantan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nantan, October typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (87°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec394048566571798274645343
Data source: Temperature data for Nantan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Nantan

In Nantan in October, the precipitation amount is 243 mm (9.6 in) over the course of 12 days.

October Precipitation Trends in Nantan

The chart displays monthly precipitation patterns in Nantan, 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 Nantan, October typically receives around 243 mm (9.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec52621201551521583412391932434764
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Nantan

In Nantan in October, humidity is 85%. With an average temperature of 18°C (64°F), this humidity feels like a muggy blanket enveloping you, making travel a bit heavy and sticky, as the air clings to your skin and every step can feel like wading through molasses.

October Average Humidity in Nantan

This chart illustrates the average monthly humidity levels in Nantan, 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 Nantan is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Nantan

In Nantan 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 Nantan.

Maximum UV Index Levels in Nantan for October

The chart shows the monthly maximum UV Index (UVI) for Nantan 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 Nantan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Nantan 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 Nantan Compares to Other Months

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

This table compares monthly weather conditions in Nantan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)52 mm (2.1 inches)82%moderate
February Weather4°C (40°F)62 mm (2.4 inches)79%high
March Weather9°C (48°F)120 mm (4.7 inches)74%very high
April Weather13°C (56°F)155 mm (6.1 inches)76%very high
May Weather18°C (65°F)151 mm (6.0 inches)83%extreme
June Weather22°C (71°F)158 mm (6.2 inches)87%extreme
July Weather26°C (79°F)341 mm (13.4 inches)93%extreme
August Weather28°C (82°F)238 mm (9.4 inches)91%extreme
September Weather23°C (74°F)193 mm (7.6 inches)87%very high
October Weather18°C (64°F)243 mm (9.6 inches)85%high
November Weather12°C (53°F)46 mm (1.8 inches)83%moderate
December Weather6°C (43°F)64 mm (2.5 inches)83%moderate

Compare Nantan's Climate with Cities Worldwide