August Weather in Lyons, United States

Last updated: June 24, 2025

In August, the average temperature in Lyons, United States hovers around 28°C (83°F). Expect a comfortable minimum of 18°C (64°F), while the maximum can soar up to 40°C (104°F). Throughout the month, anticipate 115 mm (4.5 in) of precipitation spread over 17 days, accompanied by an average humidity of 81%.

August Temperature in Lyons

In August in Lyons, the average temperature is 28°C (83°F). Maximums can reach 40°C (104°F), while minimums can drop as low as 18°C (64°F). This climate makes Lyons an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates August temperature patterns in Lyons, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lyons, August typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (104°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec525761677680838279725854
Data source: Temperature data for Lyons 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 Lyons

In Lyons, in August, the precipitation amount is 115 mm (4.5 in) over the course of 17 days.

August Precipitation Trends in Lyons

The chart displays monthly precipitation patterns in Lyons, 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 Lyons, August typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7897728479103124115947958123
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Lyons

In Lyons in August, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

August Average Humidity in Lyons

This chart illustrates the average monthly humidity levels in Lyons, 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 Lyons is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Lyons

In Lyons 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 Lyons.

Maximum UV Index Levels in Lyons for August

The chart shows the monthly maximum UV Index (UVI) for Lyons 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 Lyons typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Lyons 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 Lyons Compares to Other Months

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

This table compares monthly weather conditions in Lyons, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)78 mm (3.1 inches)86%moderate
February Weather14°C (57°F)97 mm (3.8 inches)81%high
March Weather16°C (62°F)72 mm (2.8 inches)81%very high
April Weather20°C (68°F)84 mm (3.3 inches)79%very high
May Weather24°C (76°F)79 mm (3.1 inches)75%extreme
June Weather27°C (80°F)103 mm (4.1 inches)75%extreme
July Weather29°C (84°F)124 mm (4.9 inches)80%extreme
August Weather28°C (83°F)115 mm (4.5 inches)81%extreme
September Weather26°C (80°F)94 mm (3.7 inches)83%very high
October Weather22°C (72°F)79 mm (3.1 inches)78%very high
November Weather15°C (58°F)58 mm (2.3 inches)85%high
December Weather12°C (54°F)123 mm (4.8 inches)87%moderate

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