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August Weather in Rockford, United States

Last updated: June 24, 2025

In August, the average temperature in Rockford, United States hovers around 22°C (73°F), with a minimum of 9°C (49°F) and a maximum soaring up to 35°C (95°F). Expect around 81 mm (3.2 in) of precipitation spread over 10 days, contributing to an average humidity of 76%. Be prepared for a blend of warmth and moisture this month!

August Temperature in Rockford

In August in Rockford, the average temperature is 22°C (73°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 9°C (49°F). This mild climate makes Rockford an ideal destination for travelers seeking comfortable weather for outdoor activities.

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 22°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec232538476072757267533731
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 precipitation amount is 81 mm (3.2 in) over a span of 10 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 81 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec60557010215611174811101124850
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 76%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that envelops you, making travel both refreshing and slightly steamy, as the air clings warmly to your skin.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
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-5°C (23°F)60 mm (2.4 inches)85%moderate
February Weather-4°C (25°F)55 mm (2.2 inches)85%moderate
March Weather3°C (38°F)70 mm (2.8 inches)85%high
April Weather9°C (48°F)102 mm (4.0 inches)85%very high
May Weather16°C (61°F)156 mm (6.1 inches)78%very high
June Weather22°C (72°F)111 mm (4.4 inches)80%very high
July Weather24°C (76°F)74 mm (2.9 inches)78%very high
August Weather22°C (73°F)81 mm (3.2 inches)76%very high
September Weather19°C (67°F)110 mm (4.3 inches)79%very high
October Weather12°C (53°F)112 mm (4.4 inches)83%moderate
November Weather3°C (38°F)48 mm (1.9 inches)88%moderate
December Weather0°C (31°F)50 mm (2.0 inches)81%low

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