August Weather in Union, United States

Last updated: June 24, 2025

In August, the average temperature in Union, United States hovers around 19°C (66°F), offering a pleasant climate. Expect temperatures to range from a cool 10°C (50°F) to a warm 33°C (93°F). During this month, precipitation is light, with an average of just 14 mm (0.6 in) spread over 3 days, and the average humidity sits at a comfortable 73%. Enjoy the diverse weather this month brings!

August Temperature in Union

In August in Union, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (93°F), while minimums can drop as low as 10°C (50°F). This pleasant range makes it a great time for travelers to enjoy outdoor activities and explore the local sights.

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

The chart illustrates August temperature patterns in Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union, August typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (93°F) and lows dropping to around 10°C (50°F).

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

August Precipitation in Union

In Union in August, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 days.

August Precipitation Trends in Union

The chart displays monthly precipitation patterns in Union, 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, August typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Union

In Union in August humidity is 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.

August Average Humidity in Union

This chart illustrates the average monthly humidity levels in Union, 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 is approximately 73%, 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

In Union in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Union.

Maximum UV Index Levels in Union for August

The chart shows the monthly maximum UV Index (UVI) for Union 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 typically reaches 8, which falls under the very high exposure category.

Data source: Union 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 Compares to Other Months

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

This table compares monthly weather conditions in Union, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	256 mm (10.1 inches)	86%	low
February Weather	5°C (41°F)	171 mm (6.7 inches)	84%	moderate
March Weather	7°C (45°F)	148 mm (5.8 inches)	85%	moderate
April Weather	10°C (49°F)	124 mm (4.9 inches)	83%	high
May Weather	13°C (56°F)	60 mm (2.4 inches)	84%	very high
June Weather	16°C (61°F)	49 mm (1.9 inches)	84%	very high
July Weather	19°C (66°F)	9 mm (0.4 inches)	82%	very high
August Weather	19°C (66°F)	14 mm (0.6 inches)	73%	very high
September Weather	16°C (61°F)	95 mm (3.7 inches)	74%	high
October Weather	11°C (52°F)	168 mm (6.6 inches)	83%	moderate
November Weather	8°C (47°F)	243 mm (9.6 inches)	86%	moderate
December Weather	5°C (42°F)	250 mm (9.9 inches)	87%	low