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August Weather in Rockford, United States

Last updated: June 24, 2025

In August, the average temperature in Rockford, United States is a pleasant 23°C (74°F). Expect minimums as low as 10°C (49°F), while maximums can soar to 34°C (93°F). During this month, the area experiences about 103 mm (4.0 in) of precipitation over 11 days, and the average humidity hovers around a comfortable 78%. Enjoy the vibrant climate!

August Temperature in Rockford

In August in Rockford, the average temperature is 23°C (74°F), with maximums reaching up to 34°C (93°F) and minimums dipping as low as 10°C (49°F). This mild climate makes it an ideal time for outdoor activities and exploration.

August Weather in Rockford: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Rockford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rockford, August typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec293241516372767368574135
Data source: Temperature data for Rockford 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 Rockford

In Rockford in August, the total precipitation amount is 103 mm (4.0 in), occurring over the course of 11 days.

August Precipitation Trends in Rockford

The chart displays monthly precipitation patterns in Rockford, 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 Rockford, August typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec75841009212812410910370938364
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rockford

In Rockford in August humidity is 78%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping embrace, making travel somewhat stifling and prompting frequent breaks to hydrate and seek shade.

August Average Humidity in Rockford

This chart illustrates the average monthly humidity levels in Rockford, 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 Rockford is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rockford

In Rockford in August, 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 Rockford.

Maximum UV Index Levels in Rockford for August

The chart shows the monthly maximum UV Index (UVI) for Rockford 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 Rockford typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Rockford 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 Rockford Compares to Other Months

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

This table compares monthly weather conditions in Rockford, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)75 mm (2.9 inches)88%moderate
February Weather0°C (32°F)84 mm (3.3 inches)87%moderate
March Weather5°C (41°F)100 mm (3.9 inches)87%high
April Weather10°C (51°F)92 mm (3.6 inches)87%very high
May Weather17°C (63°F)128 mm (5.1 inches)81%very high
June Weather22°C (73°F)123 mm (4.9 inches)82%very high
July Weather24°C (76°F)109 mm (4.3 inches)81%very high
August Weather23°C (74°F)103 mm (4.0 inches)78%very high
September Weather20°C (69°F)70 mm (2.8 inches)78%very high
October Weather14°C (57°F)93 mm (3.7 inches)82%high
November Weather5°C (42°F)83 mm (3.3 inches)89%moderate
December Weather2°C (35°F)64 mm (2.5 inches)86%low

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