July Weather in Union, United States

Last updated: June 24, 2025

In Union, United States, the average temperature in July is a pleasant 20°C (68°F), with a minimum dipping to 3°C (37°F) and a maximum reaching 35°C (96°F). Expect a very light precipitation of just 2 mm (0.1 in) over 0 days, while enjoying a comfortable average humidity of 76%.

July Temperature in Union

In July in Union, the average temperature is 20°C (68°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop as low as 3°C (37°F). This range makes it a perfect time for travelers to enjoy a variety of outdoor activities, from warm afternoons to cooler evenings.

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 20°C (68°F), with highs reaching up to 35°C (96°F) and lows dropping to around 3°C (37°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 2 mm (0.1 in) during a span of 0 days.

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 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Union

In Union in July, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

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 76%, 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 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 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 11, which falls under the extreme 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	-3°C (27°F)	86 mm (3.4 inches)	86%	moderate
February Weather	-3°C (27°F)	132 mm (5.2 inches)	86%	moderate
March Weather	2°C (36°F)	89 mm (3.5 inches)	85%	high
April Weather	5°C (42°F)	83 mm (3.3 inches)	83%	very high
May Weather	10°C (49°F)	75 mm (2.9 inches)	77%	very high
June Weather	14°C (58°F)	41 mm (1.6 inches)	81%	very high
July Weather	20°C (68°F)	2 mm (0.1 inches)	76%	extreme
August Weather	19°C (67°F)	16 mm (0.6 inches)	60%	very high
September Weather	14°C (57°F)	33 mm (1.3 inches)	58%	very high
October Weather	6°C (44°F)	67 mm (2.6 inches)	75%	moderate
November Weather	2°C (35°F)	76 mm (3.0 inches)	85%	moderate
December Weather	-2°C (28°F)	94 mm (3.7 inches)	87%	low