July Weather in DeKalb, United States

Last updated: June 24, 2025

In July, the average temperature in DeKalb, United States is a pleasant 24°C (75°F). Expect a comfortable range with minimums dipping to 13°C (55°F) and maximums reaching up to 34°C (93°F). You may encounter some moisture, with an average precipitation of 88 mm (3.5 in) spread over 13 days. Note that the average humidity can be quite high, around 80%, adding a touch of tropical flair to your experience!

July Temperature in DeKalb

In July in DeKalb, the average temperature is 24°C (75°F). Maximums can reach 34°C (93°F) and minimums can dip as low as 13°C (55°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates July temperature patterns in DeKalb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In DeKalb, July typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 13°C (55°F).

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

July Precipitation in DeKalb

In DeKalb in July, the precipitation amount is 88 mm (3.5 in) spread over 13 days.

July Precipitation Trends in DeKalb

The chart displays monthly precipitation patterns in DeKalb, 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 DeKalb, July typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 13 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 DeKalb

In DeKalb in July humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.

July Average Humidity in DeKalb

This chart illustrates the average monthly humidity levels in DeKalb, 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 DeKalb is approximately 80%, 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 DeKalb

In DeKalb in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in DeKalb.

Maximum UV Index Levels in DeKalb for July

The chart shows the monthly maximum UV Index (UVI) for DeKalb 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 DeKalb typically reaches 10, which falls under the very high exposure category.

Data source: DeKalb 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 DeKalb Compares to Other Months

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

This table compares monthly weather conditions in DeKalb, 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 (24°F)	60 mm (2.4 inches)	82%	moderate
February Weather	-4°C (26°F)	58 mm (2.3 inches)	83%	moderate
March Weather	4°C (39°F)	78 mm (3.1 inches)	84%	high
April Weather	9°C (48°F)	111 mm (4.4 inches)	85%	very high
May Weather	16°C (61°F)	169 mm (6.7 inches)	79%	very high
June Weather	22°C (72°F)	128 mm (5.1 inches)	82%	very high
July Weather	24°C (75°F)	88 mm (3.5 inches)	80%	very high
August Weather	22°C (73°F)	83 mm (3.3 inches)	81%	very high
September Weather	19°C (67°F)	107 mm (4.2 inches)	80%	very high
October Weather	12°C (54°F)	122 mm (4.8 inches)	82%	high
November Weather	3°C (38°F)	52 mm (2.0 inches)	88%	moderate
December Weather	0°C (32°F)	49 mm (1.9 inches)	84%	low