June Weather in Nagaoka, Japan

Last updated: August 23, 2025

In June, the average temperature in Nagaoka, Japan hovers around 22°C (72°F). Expect a minimum temperature of 11°C (52°F) and highs reaching up to 32°C (89°F). This month brings about 161 mm (6.3 in) of precipitation, typically spread over 14 days, contributing to an average humidity level of 87%.

June Temperature in Nagaoka

In June in Nagaoka, the average temperature is 22°C (72°F). The maximum can reach 32°C (89°F), while the minimum can be as low as 11°C (52°F). Overall, it is a comfortable time to visit, ideal for outdoor activities and sightseeing.

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

The chart illustrates June 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, June typically has an average temperature of 22°C (72°F), with highs reaching up to 32°C (89°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec394048566572798274645343
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.

June Precipitation in Nagaoka

In Nagaoka in June, the total precipitation amount is 161 mm (6.3 in) occurring over a span of 14 days.

June Precipitation Trends in Nagaoka

The chart displays monthly precipitation patterns in Nagaoka, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Nagaoka, June typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec56621251581551613242281722464766
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Nagaoka

In Nagaoka in June humidity is 87%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapping around you, making every step while traveling feel slightly heavier and more tedious, yet still refreshing in the shade.

June Average Humidity in Nagaoka

This chart illustrates the average monthly humidity levels in Nagaoka, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Nagaoka is approximately 87%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Nagaoka

In Nagaoka in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Nagaoka.

Maximum UV Index Levels in Nagaoka for June

The chart shows the monthly maximum UV Index (UVI) for Nagaoka in June, 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 June, the maximum UV index in Nagaoka typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Nagaoka June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)56 mm (2.2 inches)82%moderate
February Weather4°C (40°F)62 mm (2.5 inches)79%high
March Weather9°C (48°F)125 mm (4.9 inches)74%very high
April Weather13°C (56°F)157 mm (6.2 inches)76%very high
May Weather18°C (66°F)154 mm (6.1 inches)83%extreme
June Weather22°C (72°F)161 mm (6.3 inches)87%extreme
July Weather26°C (79°F)324 mm (12.7 inches)93%extreme
August Weather28°C (82°F)228 mm (9.0 inches)91%extreme
September Weather23°C (75°F)172 mm (6.8 inches)87%very high
October Weather18°C (64°F)246 mm (9.7 inches)85%high
November Weather12°C (53°F)47 mm (1.8 inches)83%moderate
December Weather6°C (43°F)66 mm (2.6 inches)83%moderate

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