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June Weather in Yanai, Japan

Last updated: August 23, 2025

In Yanai, Japan, the average temperature in June hovers around 22°C (72°F), making it a comfortable destination. Expect minimums of 16°C (61°F) and maximums reaching 27°C (81°F). However, be prepared for some wet days, as precipitation averages 189 mm (7.5 in) over 12 days. With an average humidity of 86%, it's a great idea to pack light and breathable clothing!

June Temperature in Yanai

In June in Yanai, the average temperature is 22°C (72°F). The maximum can reach 27°C (81°F), while the minimum can dip as low as 16°C (61°F). This pleasant weather makes it an ideal destination for travelers seeking mild and comfortable conditions.

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

The chart illustrates June temperature patterns in Yanai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanai, June typically has an average temperature of 22°C (72°F), with highs reaching up to 27°C (81°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec454551576571798276685849
Data source: Temperature data for Yanai 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 Yanai

In Yanai in June, the total precipitation amount is 189 mm (7.5 in), which falls over a span of 12 days.

June Precipitation Trends in Yanai

The chart displays monthly precipitation patterns in Yanai, 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 Yanai, June typically receives around 189 mm (7.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec54791271461591893562212151744364
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Yanai

In Yanai in June, humidity is 86%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapping around you as you travel, making it essential to stay hydrated and seek shade during the sun's peak hours.

June Average Humidity in Yanai

This chart illustrates the average monthly humidity levels in Yanai, 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 Yanai is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Yanai

In Yanai 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 Yanai.

Maximum UV Index Levels in Yanai for June

The chart shows the monthly maximum UV Index (UVI) for Yanai 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 Yanai typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121210764
Data source: Yanai 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 Yanai Compares to Other Months

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

This table compares monthly weather conditions in Yanai, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)54 mm (2.1 inches)75%moderate
February Weather7°C (45°F)79 mm (3.1 inches)71%moderate
March Weather11°C (51°F)127 mm (5.0 inches)71%very high
April Weather14°C (58°F)146 mm (5.7 inches)78%extreme
May Weather18°C (65°F)159 mm (6.3 inches)84%extreme
June Weather22°C (72°F)189 mm (7.5 inches)86%extreme
July Weather26°C (79°F)355 mm (14.0 inches)92%extreme
August Weather28°C (82°F)221 mm (8.7 inches)91%extreme
September Weather24°C (76°F)215 mm (8.5 inches)84%very high
October Weather20°C (68°F)173 mm (6.8 inches)83%high
November Weather15°C (59°F)43 mm (1.7 inches)81%high
December Weather9°C (49°F)64 mm (2.5 inches)79%moderate

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