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June Weather in Grants Pass, United States

Last updated: June 24, 2025

In June, the average temperature in Grants Pass, United States is a comfortable 18°C (65°F). However, temperatures can vary significantly, ranging from a chilly 4°C (40°F) to a sweltering 41°C (107°F). Expect a moderate amount of precipitation during this month, totaling around 19 mm (0.7 in) over the course of 3 days. With an average humidity level of 83%, be prepared for some muggy afternoons!

June Temperature in Grants Pass

In June in Grants Pass, the average temperature is 18°C (65°F), with maximums potentially reaching 41°C (107°F) and minimums dipping as low as 4°C (40°F). Travelers should be prepared for a wide temperature range and pack accordingly.

June Weather in Grants Pass: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Grants Pass, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grants Pass, June typically has an average temperature of 18°C (65°F), with highs reaching up to 41°C (107°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec394044505764717164534438
Data source: Temperature data for Grants Pass 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 Grants Pass

In Grants Pass in June, the precipitation amount is 19 mm (0.7 in) over a period of 3 days.

June Precipitation Trends in Grants Pass

The chart displays monthly precipitation patterns in Grants Pass, 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 Grants Pass, June typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec13815110388481915364186116
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Grants Pass

In Grants Pass in June, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

June Average Humidity in Grants Pass

This chart illustrates the average monthly humidity levels in Grants Pass, 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 Grants Pass is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Grants Pass

In Grants Pass 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 Grants Pass.

Maximum UV Index Levels in Grants Pass for June

The chart shows the monthly maximum UV Index (UVI) for Grants Pass 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 Grants Pass typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108642
Data source: Grants Pass 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 Grants Pass Compares to Other Months

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

This table compares monthly weather conditions in Grants Pass, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)138 mm (5.4 inches)84%moderate
February Weather4°C (40°F)151 mm (5.9 inches)85%moderate
March Weather7°C (44°F)103 mm (4.0 inches)86%high
April Weather10°C (50°F)88 mm (3.5 inches)83%very high
May Weather14°C (57°F)48 mm (1.9 inches)83%very high
June Weather18°C (65°F)19 mm (0.7 inches)83%extreme
July Weather22°C (71°F)1 mm (0.0 inches)78%very high
August Weather22°C (71°F)5 mm (0.2 inches)67%very high
September Weather18°C (64°F)36 mm (1.4 inches)66%very high
October Weather12°C (53°F)41 mm (1.6 inches)77%high
November Weather7°C (44°F)86 mm (3.4 inches)87%moderate
December Weather3°C (38°F)116 mm (4.6 inches)87%low

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