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June Weather in Hiroo, Japan

Last updated: August 23, 2025

In Hiroo, Japan, the average temperature in June hovers around 14°C (58°F), with the potential to dip to a chilly 6°C (43°F) or rise to a warm 25°C (77°F). Expect about 105 mm (4.1 in) of rainfall over approximately 10 days, contributing to an average humidity of 88%. Stay prepared for a blend of cool and warm days as you explore!

June Temperature in Hiroo

In June in Hiroo, the average temperature is 14°C (58°F). The maximum can reach up to 25°C (77°F), while the minimum can drop to as low as 6°C (43°F). Overall, it's a pleasantly mild time for traveling, making it ideal for outdoor activities and exploration.

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

The chart illustrates June temperature patterns in Hiroo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hiroo, June typically has an average temperature of 14°C (58°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec242433425257656763534330
Data source: Temperature data for Hiroo 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 Hiroo

In Hiroo in June, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

June Precipitation Trends in Hiroo

The chart displays monthly precipitation patterns in Hiroo, 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 Hiroo, June typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec616511597951051061751402019066
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Hiroo

In Hiroo in June humidity is 88%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp embrace, making travel a bit uncomfortable as you may find yourself constantly sticky and in need of refreshing breaks.

June Average Humidity in Hiroo

This chart illustrates the average monthly humidity levels in Hiroo, 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 Hiroo is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Hiroo

In Hiroo 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 Hiroo.

Maximum UV Index Levels in Hiroo for June

The chart shows the monthly maximum UV Index (UVI) for Hiroo 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 Hiroo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236891010108632
Data source: Hiroo 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 Hiroo Compares to Other Months

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

This table compares monthly weather conditions in Hiroo, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)61 mm (2.4 inches)84%low
February Weather-4°C (25°F)65 mm (2.6 inches)83%moderate
March Weather1°C (34°F)115 mm (4.5 inches)83%high
April Weather5°C (42°F)97 mm (3.8 inches)83%very high
May Weather11°C (52°F)95 mm (3.7 inches)86%very high
June Weather14°C (58°F)105 mm (4.1 inches)88%very high
July Weather18°C (65°F)106 mm (4.2 inches)93%very high
August Weather19°C (67°F)175 mm (6.9 inches)96%very high
September Weather17°C (63°F)140 mm (5.5 inches)89%very high
October Weather12°C (54°F)201 mm (7.9 inches)83%high
November Weather6°C (43°F)90 mm (3.6 inches)80%moderate
December Weather-1°C (30°F)66 mm (2.6 inches)79%low

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