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August Weather in De Kalb, United States

Last updated: June 24, 2025

In De Kalb, United States, the average temperature in August is a warm 28°C (83°F), with a comfortable minimum of 18°C (65°F) and a sweltering maximum of 38°C (100°F). Expect 93 mm (3.7 in) of rain over approximately 8 days, contributing to an average humidity level of 65%. Enjoy the warmth, but don't forget your umbrella!

August Temperature in De Kalb

In August in De Kalb, the average temperature is 28°C (83°F). Maximums can reach 38°C (100°F), and minimums can be as low as 18°C (65°F). This makes it an ideal time for travelers seeking warm weather and outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec464858637380838278675450
Data source: Temperature data for De Kalb generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in De Kalb

In De Kalb in August, the total precipitation amount is 93 mm (3.7 in) over the course of 8 days.

August Precipitation Trends in De Kalb

The chart displays monthly precipitation patterns in De Kalb, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In De Kalb, August typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10415113421717210577938012068127
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in De Kalb

In De Kalb in August, humidity is 65%. With an average temperature of 28°C (83°F), this humidity feels like a warm, tropical embrace that can make outdoor activities feel quite sticky and draining, so it's best to stay hydrated and take regular breaks in the shade.

August Average Humidity in De Kalb

This chart illustrates the average monthly humidity levels in De Kalb, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in De Kalb is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in De Kalb

In De Kalb in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for De Kalb in August, 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 August, the maximum UV index in De Kalb typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: De Kalb August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)104 mm (4.1 inches)82%moderate
February Weather9°C (49°F)151 mm (6.0 inches)80%high
March Weather15°C (59°F)134 mm (5.3 inches)78%very high
April Weather17°C (63°F)217 mm (8.5 inches)79%very high
May Weather23°C (73°F)172 mm (6.8 inches)81%extreme
June Weather27°C (80°F)105 mm (4.1 inches)77%extreme
July Weather28°C (83°F)77 mm (3.0 inches)72%extreme
August Weather28°C (83°F)93 mm (3.7 inches)65%extreme
September Weather26°C (78°F)80 mm (3.1 inches)63%very high
October Weather19°C (67°F)120 mm (4.7 inches)70%very high
November Weather13°C (55°F)68 mm (2.7 inches)82%high
December Weather10°C (50°F)127 mm (5.0 inches)88%moderate

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