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June Weather in Namioka, Japan

Last updated: August 23, 2025

In Namioka, Japan, the average temperature in June is a comfortable 18°C (65°F). However, be prepared for a range, as temperatures can dip to a minimum of 8°C (46°F) and soar to a maximum of 31°C (87°F). During this month, you can expect about 130 mm (5.1 in) of precipitation over 13 days, contributing to an average humidity level of an impressive 91%.

June Temperature in Namioka

In June in Namioka, the average temperature is 18°C (65°F). Maximums can reach 31°C (87°F), while minimums can be as low as 8°C (46°F). This comfortable climate makes it an ideal month for exploring the outdoors and enjoying various activities in Namioka.

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

The chart illustrates June temperature patterns in Namioka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namioka, June typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (87°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec303037465865737567564533
Data source: Temperature data for Namioka 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 Namioka

In Namioka in June, the precipitation amount is 130 mm (5.1 in) spread over 13 days.

June Precipitation Trends in Namioka

The chart displays monthly precipitation patterns in Namioka, 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 Namioka, June typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec80106103113104130135181129166106130
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Namioka

In Namioka in June humidity is 91%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making travel feel sticky and draining.

June Average Humidity in Namioka

This chart illustrates the average monthly humidity levels in Namioka, 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 Namioka is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Namioka

In Namioka in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Namioka.

Maximum UV Index Levels in Namioka for June

The chart shows the monthly maximum UV Index (UVI) for Namioka 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 Namioka typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010118642
Data source: Namioka 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 Namioka Compares to Other Months

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

This table compares monthly weather conditions in Namioka, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)79%moderate
February Weather-1°C (31°F)106 mm (4.2 inches)78%moderate
March Weather3°C (38°F)103 mm (4.1 inches)77%high
April Weather8°C (47°F)113 mm (4.4 inches)78%very high
May Weather14°C (58°F)104 mm (4.1 inches)86%very high
June Weather18°C (65°F)130 mm (5.1 inches)91%very high
July Weather23°C (73°F)135 mm (5.3 inches)95%very high
August Weather24°C (75°F)181 mm (7.1 inches)97%extreme
September Weather20°C (68°F)129 mm (5.1 inches)89%very high
October Weather13°C (56°F)166 mm (6.6 inches)81%high
November Weather7°C (45°F)106 mm (4.2 inches)78%moderate
December Weather1°C (33°F)130 mm (5.1 inches)77%low

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