June Weather in Union Gap, United States

Last updated: June 24, 2025

In June, the average temperature in Union Gap, United States is a pleasant 21°C (70°F), with a range that can dip to a cool 5°C (42°F) and soar to a sizzling 45°C (114°F). Expect 6 mm (0.2 in) of rainfall spread over 2 days, and don't forget about the humidity— averaging a notable 82%. Stay prepared for a mix of conditions!

June Temperature in Union Gap

In June in Union Gap, the average temperature is 21°C (70°F). The maximum can reach 45°C (114°F), while the minimum can dip as low as 5°C (42°F). Be prepared for a wide range of temperatures when traveling to Union Gap in June.

June Weather in Union Gap: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Union Gap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union Gap, June typically has an average temperature of 21°C (70°F), with highs reaching up to 45°C (114°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec323442516269767565504034
Data source: Temperature data for Union Gap 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 Union Gap

In Union Gap in June, the precipitation amount is 6 mm (0.2 in) over the course of 2 days.

June Precipitation Trends in Union Gap

The chart displays monthly precipitation patterns in Union Gap, 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 Union Gap, June typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec636430231361412374259
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Union Gap

In Union Gap in June, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

June Average Humidity in Union Gap

This chart illustrates the average monthly humidity levels in Union Gap, 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 Union Gap is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Union Gap

In Union Gap 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 Union Gap.

Maximum UV Index Levels in Union Gap for June

The chart shows the monthly maximum UV Index (UVI) for Union Gap 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 Union Gap typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579101097532
Data source: Union Gap 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 Union Gap Compares to Other Months

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

This table compares monthly weather conditions in Union Gap, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)63 mm (2.5 inches)86%low
February Weather1°C (34°F)63 mm (2.5 inches)86%moderate
March Weather6°C (42°F)30 mm (1.2 inches)87%moderate
April Weather10°C (51°F)23 mm (0.9 inches)84%high
May Weather16°C (62°F)13 mm (0.5 inches)81%very high
June Weather21°C (70°F)6 mm (0.2 inches)82%very high
July Weather25°C (77°F)1 mm (0.0 inches)79%very high
August Weather24°C (76°F)4 mm (0.2 inches)63%very high
September Weather18°C (65°F)12 mm (0.5 inches)62%high
October Weather10°C (51°F)37 mm (1.4 inches)83%moderate
November Weather4°C (40°F)42 mm (1.7 inches)89%moderate
December Weather1°C (34°F)59 mm (2.3 inches)88%low

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