July Weather in Union, United States

Last updated: June 24, 2025

In July, the average temperature in Union, United States is a comfortable 19°C (66°F). Expect a minimum of 10°C (51°F) and a maximum of 33°C (91°F), providing a pleasant range for outdoor activities. Keep in mind that there is typically 9 mm (0.4 in) of precipitation spread over just 1 day, with an average humidity of 82% to add a touch of tropical feel to your experience!

July Temperature in Union

In July in Union, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as 10°C (51°F). This pleasant climate makes it an ideal time for travelers to explore the beautiful sights and enjoy outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 10°C (51°F).

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

July Precipitation in Union

In Union in July, the precipitation amount is 9 mm (0.4 in) over the course of 1 day.

July Precipitation Trends in Union

The chart displays monthly precipitation patterns in Union, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Union, July typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 1 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Union

In Union in July humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

July Average Humidity in Union

This chart illustrates the average monthly humidity levels in Union, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Union is approximately 82%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Union

In Union in July, 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.

Maximum UV Index Levels in Union for July

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

Data source: Union July 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 July 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 July’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 July’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