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June Weather in Sayama, Japan

Last updated: August 23, 2025

In June, the average temperature in Sayama, Japan is a pleasant 22°C (72°F). Expect lows of 13°C (55°F) and highs reaching up to 32°C (90°F). With an average precipitation of 168 mm (6.6 in) spread over 15 days, it’s wise to keep an umbrella handy. The air can feel quite humid, with an average humidity of 88% making the environment feel warm and sticky.

June Temperature in Sayama

In June in Sayama, the average temperature is 22°C (72°F). Maximums can reach 32°C (90°F) and minimums can be as low as 13°C (55°F). This makes it an ideal destination for travelers seeking pleasant weather and comfortable outdoor activities.

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

The chart illustrates June temperature patterns in Sayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sayama, June typically has an average temperature of 22°C (72°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec394250576672788274645444
Data source: Temperature data for Sayama 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 Sayama

In Sayama in June, the total precipitation amount is 168 mm (6.6 in) collected over a period of 15 days.

June Precipitation Trends in Sayama

The chart displays monthly precipitation patterns in Sayama, 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 Sayama, June typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec47501441261171682521332012916955
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Sayama

In Sayama in June humidity is 88%. With an average temperature of 22°C (72°F), this humidity feels like a warm, steamy embrace that clings to your skin, making outdoor exploration a sweaty challenge but also a vibrant experience as the air is thick with the scent of nature and vibrant local life.

June Average Humidity in Sayama

This chart illustrates the average monthly humidity levels in Sayama, 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 Sayama is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Sayama

In Sayama 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 Sayama.

Maximum UV Index Levels in Sayama for June

The chart shows the monthly maximum UV Index (UVI) for Sayama 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 Sayama typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35891111111110754
Data source: Sayama 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 Sayama Compares to Other Months

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

This table compares monthly weather conditions in Sayama, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)47 mm (1.8 inches)76%moderate
February Weather6°C (42°F)50 mm (2.0 inches)74%moderate
March Weather10°C (50°F)144 mm (5.7 inches)70%very high
April Weather14°C (57°F)126 mm (5.0 inches)74%very high
May Weather19°C (67°F)117 mm (4.6 inches)81%extreme
June Weather22°C (72°F)168 mm (6.6 inches)88%extreme
July Weather26°C (79°F)252 mm (9.9 inches)93%extreme
August Weather28°C (82°F)133 mm (5.3 inches)90%extreme
September Weather23°C (74°F)201 mm (7.9 inches)86%very high
October Weather18°C (64°F)291 mm (11.4 inches)83%high
November Weather12°C (55°F)69 mm (2.7 inches)80%moderate
December Weather7°C (44°F)55 mm (2.2 inches)78%moderate

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