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June Weather in Kosaka, Japan

Last updated: August 23, 2025

In June, the average temperature in Kosaka, Japan hovers around 17°C (63°F), offering a pleasant climate. Expect a minimum of 6°C (43°F) and a comfortable maximum of 29°C (84°F). Be prepared for some rain, as precipitation averages 142 mm (5.6 in) over 13 days. With an average humidity of 91%, it's wise to embrace the charm of this moist atmosphere!

June Temperature in Kosaka

In June in Kosaka, the average temperature is 17°C (63°F). The maximum can reach 29°C (84°F), while the minimum can be as low as 6°C (43°F). This pleasant weather makes Kosaka an ideal destination for exploring outdoor activities and enjoying the local scenery.

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

The chart illustrates June temperature patterns in Kosaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kosaka, June typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec262735455763717265534230
Data source: Temperature data for Kosaka 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 Kosaka

In Kosaka in June, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

June Precipitation Trends in Kosaka

The chart displays monthly precipitation patterns in Kosaka, 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 Kosaka, June typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec78108107127116142168179137166100114
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Kosaka

In Kosaka in June humidity is 91%. With an average temperature of 17°C (63°F), this humidity feels like a heavy blanket wrapping around you, making travel feel somewhat stifling and requiring frequent breaks to seek refreshment in cooler, shaded areas.

June Average Humidity in Kosaka

This chart illustrates the average monthly humidity levels in Kosaka, 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 Kosaka 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 Kosaka

In Kosaka 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 Kosaka.

Maximum UV Index Levels in Kosaka for June

The chart shows the monthly maximum UV Index (UVI) for Kosaka 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 Kosaka typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010119642
Data source: Kosaka 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 Kosaka Compares to Other Months

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

This table compares monthly weather conditions in Kosaka, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)78 mm (3.1 inches)79%moderate
February Weather-3°C (28°F)108 mm (4.3 inches)78%moderate
March Weather2°C (35°F)107 mm (4.2 inches)77%high
April Weather7°C (45°F)127 mm (5.0 inches)78%very high
May Weather14°C (57°F)116 mm (4.6 inches)86%very high
June Weather17°C (63°F)142 mm (5.6 inches)91%very high
July Weather22°C (71°F)168 mm (6.6 inches)95%very high
August Weather22°C (73°F)179 mm (7.1 inches)97%extreme
September Weather18°C (65°F)137 mm (5.4 inches)89%very high
October Weather12°C (54°F)166 mm (6.5 inches)81%high
November Weather6°C (42°F)100 mm (4.0 inches)78%moderate
December Weather-1°C (30°F)114 mm (4.5 inches)77%low

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