October Weather in Nagaoka, Japan

Last updated: August 23, 2025

In October, the average temperature in Nagaoka, Japan hovers around 17°C (63°F). Expect a minimum of 7°C (45°F) and a maximum of 33°C (91°F), providing a diverse range for outdoor activities. Rainfall averages 158 mm (6.2 in) over 15 days, contributing to an average humidity of 87%, making the air feel quite lush.

October Temperature in Nagaoka

In October in Nagaoka, the average temperature is 17°C (63°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 7°C (45°F). This makes Nagaoka an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates October temperature patterns in Nagaoka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nagaoka, October typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536471798173625141
Data source: Temperature data for Nagaoka 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 Nagaoka

In Nagaoka in October, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

October Precipitation Trends in Nagaoka

The chart displays monthly precipitation patterns in Nagaoka, 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 Nagaoka, October typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec165138130114110108283186151158139204
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Nagaoka

In Nagaoka in October, humidity is 87%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky and uncomfortable, especially during outdoor activities.

October Average Humidity in Nagaoka

This chart illustrates the average monthly humidity levels in Nagaoka, 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 Nagaoka is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Nagaoka

In Nagaoka in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Nagaoka, you can refer to this Hourly UV Index in Nagaoka.

Maximum UV Index Levels in Nagaoka for October

The chart shows the monthly maximum UV Index (UVI) for Nagaoka 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 Nagaoka typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3479101011119643
Data source: Nagaoka 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 Nagaoka Compares to Other Months

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

This table compares monthly weather conditions in Nagaoka, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)165 mm (6.5 inches)88%moderate
February Weather3°C (38°F)138 mm (5.4 inches)86%moderate
March Weather7°C (45°F)130 mm (5.1 inches)81%high
April Weather12°C (53°F)114 mm (4.5 inches)78%very high
May Weather18°C (64°F)110 mm (4.3 inches)81%very high
June Weather21°C (71°F)108 mm (4.3 inches)88%very high
July Weather26°C (79°F)283 mm (11.2 inches)92%extreme
August Weather27°C (82°F)186 mm (7.3 inches)92%extreme
September Weather23°C (73°F)151 mm (5.9 inches)89%very high
October Weather17°C (63°F)158 mm (6.2 inches)87%high
November Weather11°C (52°F)139 mm (5.5 inches)85%moderate
December Weather5°C (41°F)204 mm (8.0 inches)86%moderate

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