August Weather in Union Gap, United States

Last updated: June 24, 2025

In August, the average temperature in Union Gap, United States is a pleasant 24°C (76°F). Expect minimums of 7°C (44°F) and the occasional highs reaching 41°C (107°F). During this month, precipitation is light, averaging just 4 mm (0.2 in) over 1 day, while humidity hovers around 63%.

August Temperature in Union Gap

In August in Union Gap, the average temperature is 24°C (76°F). The maximum can reach 41°C (107°F), and the minimum can be as low as 7°C (44°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for their adventure.

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

The chart illustrates August 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, August typically has an average temperature of 24°C (76°F), with highs reaching up to 41°C (107°F) and lows dropping to around 7°C (44°F).

Data source: Temperature data for Union Gap generated using information from the Copernicus Climate Change Service.

August Precipitation in Union Gap

In Union Gap in August, the precipitation amount is 4 mm (0.2 in) during 1 day.

August Precipitation Trends in Union Gap

The chart displays monthly precipitation patterns in Union Gap, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Union Gap, August typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Union Gap

In Union Gap in August humidity is 63%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making it perfect for exploring outdoor attractions while ensuring that travelers stay refreshed with plenty of water breaks.

August Average Humidity in Union Gap

This chart illustrates the average monthly humidity levels in Union Gap, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Union Gap is approximately 63%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Union Gap

In Union Gap in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Union Gap.

Maximum UV Index Levels in Union Gap for August

The chart shows the monthly maximum UV Index (UVI) for Union Gap in August, 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 August, the maximum UV index in Union Gap typically reaches 9, which falls under the very high exposure category.

Data source: Union Gap August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	63 mm (2.5 inches)	86%	low
February Weather	1°C (34°F)	63 mm (2.5 inches)	86%	moderate
March Weather	6°C (42°F)	30 mm (1.2 inches)	87%	moderate
April Weather	10°C (51°F)	23 mm (0.9 inches)	84%	high
May Weather	16°C (62°F)	13 mm (0.5 inches)	81%	very high
June Weather	21°C (70°F)	6 mm (0.2 inches)	82%	very high
July Weather	25°C (77°F)	1 mm (0.0 inches)	79%	very high
August Weather	24°C (76°F)	4 mm (0.2 inches)	63%	very high
September Weather	18°C (65°F)	12 mm (0.5 inches)	62%	high
October Weather	10°C (51°F)	37 mm (1.4 inches)	83%	moderate
November Weather	4°C (40°F)	42 mm (1.7 inches)	89%	moderate
December Weather	1°C (34°F)	59 mm (2.3 inches)	88%	low