July Weather in Wheaton, United States

Last updated: June 24, 2025

In Wheaton, United States, the weather in July typically boasts an average temperature of 23°C (74°F). During this time, you may encounter a minimum temperature of 11°C (52°F) and a maximum reaching 36°C (98°F). Expect 87 mm (3.4 in) of precipitation over about 9 days, accompanied by a high humidity level of 82%. Whether you're soaking up the sun or enjoying a refreshing rain shower, July offers a vibrant climate in Wheaton!

July Temperature in Wheaton

In July in Wheaton, the average temperature is 23°C (74°F). Maximum temperatures can reach 36°C (98°F), while minimums can drop as low as 11°C (52°F). This makes for a pleasant travel experience, with warm days and cooler nights, ideal for exploring the area.

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

The chart illustrates July temperature patterns in Wheaton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wheaton, July typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (52°F).

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

July Precipitation in Wheaton

In Wheaton in July, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

July Precipitation Trends in Wheaton

The chart displays monthly precipitation patterns in Wheaton, 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 Wheaton, July typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 9 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 Wheaton

In Wheaton in July, humidity is 82%. With an average temperature of 23°C (74°F), this humidity feels like you are walking through a warm, damp blanket, making travel a bit uncomfortable and sticky as you navigate the air thick with moisture.

July Average Humidity in Wheaton

This chart illustrates the average monthly humidity levels in Wheaton, 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 Wheaton 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 Wheaton

In Wheaton 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 Wheaton.

Maximum UV Index Levels in Wheaton for July

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

Data source: Wheaton 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 Wheaton Compares to Other Months

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

This table compares monthly weather conditions in Wheaton, 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)	19 mm (0.7 inches)	85%	moderate
February Weather	-10°C (14°F)	18 mm (0.7 inches)	89%	moderate
March Weather	-1°C (31°F)	37 mm (1.5 inches)	81%	high
April Weather	5°C (41°F)	57 mm (2.3 inches)	82%	high
May Weather	14°C (58°F)	80 mm (3.2 inches)	76%	very high
June Weather	22°C (71°F)	79 mm (3.1 inches)	81%	very high
July Weather	23°C (74°F)	87 mm (3.4 inches)	82%	very high
August Weather	21°C (70°F)	120 mm (4.7 inches)	83%	very high
September Weather	17°C (63°F)	78 mm (3.1 inches)	82%	high
October Weather	8°C (47°F)	79 mm (3.1 inches)	82%	moderate
November Weather	0°C (32°F)	23 mm (0.9 inches)	87%	moderate
December Weather	-5°C (22°F)	36 mm (1.4 inches)	84%	low