July Weather in Mercer, United States

Last updated: June 24, 2025

In Mercer, United States, the average temperature in July hovers around 20°C (69°F). Expect minimums dipping to 7°C (44°F) and peaks reaching up to 33°C (92°F). During this period, you can anticipate approximately 110 mm (4.3 in) of precipitation spread across 10 days, with an average humidity of 70%.

July Temperature in Mercer

In July in Mercer, the average temperature is 20°C (69°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 7°C (44°F). This weather makes it a delightful time for travelers to enjoy outdoor activities and explore the beauty of Mercer.

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

The chart illustrates July temperature patterns in Mercer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercer, July typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (44°F).

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

July Precipitation in Mercer

In Mercer in July, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.

July Precipitation Trends in Mercer

The chart displays monthly precipitation patterns in Mercer, 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 Mercer, July typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 10 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 Mercer

In Mercer in July humidity is 70%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapped around you, making outdoor activities a bit challenging but also an opportunity to enjoy refreshing drinks and shaded spots while exploring the vibrant surroundings.

July Average Humidity in Mercer

This chart illustrates the average monthly humidity levels in Mercer, 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 Mercer is approximately 70%, 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 Mercer

In Mercer 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 Mercer.

Maximum UV Index Levels in Mercer for July

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

Data source: Mercer 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 Mercer Compares to Other Months

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

This table compares monthly weather conditions in Mercer, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	36 mm (1.4 inches)	93%	low
February Weather	-10°C (14°F)	51 mm (2.0 inches)	93%	moderate
March Weather	-3°C (27°F)	53 mm (2.1 inches)	89%	moderate
April Weather	3°C (37°F)	92 mm (3.6 inches)	85%	high
May Weather	12°C (54°F)	100 mm (3.9 inches)	76%	very high
June Weather	18°C (65°F)	121 mm (4.8 inches)	71%	very high
July Weather	20°C (69°F)	110 mm (4.3 inches)	70%	very high
August Weather	18°C (65°F)	126 mm (5.0 inches)	71%	very high
September Weather	14°C (58°F)	98 mm (3.9 inches)	73%	high
October Weather	7°C (44°F)	118 mm (4.7 inches)	81%	moderate
November Weather	-2°C (29°F)	58 mm (2.3 inches)	87%	moderate
December Weather	-7°C (20°F)	70 mm (2.8 inches)	91%	low