July Weather in De Kalb, United States

Last updated: June 24, 2025

In July, the average temperature in De Kalb, United States hovers around 27°C (81°F), making it a warm destination for travelers. Expect minimum temperatures to drop to 18°C (65°F), while maxima can soar up to 37°C (99°F). However, be prepared for occasional showers, as the region experiences an average precipitation of 109 mm (4.3 in) over 16 days. With an average humidity of 82%, the air can feel quite muggy, making it a great time to explore local indoor attractions!

July Temperature in De Kalb

In July in De Kalb, the average temperature is 27°C (81°F). The maximum can reach 37°C (99°F) and the minimum can be as low as 18°C (65°F). This pleasant climate makes De Kalb an ideal destination for travelers looking to enjoy warm weather.

July Weather in De Kalb: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in De Kalb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In De Kalb, July typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in De Kalb

In De Kalb in July, the precipitation amount is 109 mm (4.3 in) spread over 16 days.

July Precipitation Trends in De Kalb

The chart displays monthly precipitation patterns in De Kalb, 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 De Kalb, July typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 16 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 De Kalb

In De Kalb in July humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

July Average Humidity in De Kalb

This chart illustrates the average monthly humidity levels in De Kalb, 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 De Kalb 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 De Kalb

In De Kalb 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 De Kalb.

Maximum UV Index Levels in De Kalb for July

The chart shows the monthly maximum UV Index (UVI) for De Kalb 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 De Kalb typically reaches 11, which falls under the extreme exposure category.

Data source: De Kalb 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 De Kalb Compares to Other Months

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

This table compares monthly weather conditions in De Kalb, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	105 mm (4.1 inches)	85%	moderate
February Weather	12°C (53°F)	160 mm (6.3 inches)	84%	high
March Weather	15°C (60°F)	120 mm (4.7 inches)	82%	very high
April Weather	18°C (65°F)	148 mm (5.8 inches)	82%	very high
May Weather	23°C (74°F)	120 mm (4.7 inches)	82%	extreme
June Weather	26°C (79°F)	167 mm (6.6 inches)	79%	extreme
July Weather	27°C (81°F)	109 mm (4.3 inches)	82%	extreme
August Weather	27°C (81°F)	129 mm (5.1 inches)	77%	extreme
September Weather	25°C (78°F)	97 mm (3.8 inches)	74%	very high
October Weather	20°C (69°F)	109 mm (4.3 inches)	73%	very high
November Weather	12°C (55°F)	66 mm (2.6 inches)	85%	high
December Weather	11°C (51°F)	120 mm (4.7 inches)	88%	moderate