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August Weather in Lyons, United States

Last updated: June 24, 2025

In August, the average temperature in Lyons, United States hovers around 19°C (67°F). You can expect a minimum temperature of 7°C (45°F) and a maximum that can soar to 32°C (91°F). Be prepared for some rain, as 81 mm (3.2 in) of precipitation typically falls over 15 days. With an average humidity of 63%, it’s advisable to stay hydrated and enjoy the pleasant climate!

August Temperature in Lyons

In August in Lyons, the average temperature is 19°C (67°F). Maximums can reach 32°C (91°F) and minimums can be as low as 7°C (45°F). Be sure to pack layers to stay comfortable while exploring the diverse weather conditions!

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 19°C (67°F), with highs reaching up to 32°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec262635425063686661443629
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 81 mm (3.2 in) spread over the course of 15 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 81 mm (3.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec2537646913680908142473021
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 63%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace that adds a touch of heaviness to the air, making it slightly uncomfortable for traveling but still manageable with light clothing and plenty of hydration.

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 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%75%67%67%68%62%63%63%72%80%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46811111212119643
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 Weather-3°C (27°F)25 mm (1.0 inches)84%moderate
February Weather-4°C (26°F)37 mm (1.5 inches)85%high
March Weather2°C (35°F)64 mm (2.5 inches)75%very high
April Weather5°C (42°F)69 mm (2.7 inches)67%extreme
May Weather10°C (50°F)136 mm (5.4 inches)67%extreme
June Weather17°C (63°F)80 mm (3.2 inches)68%extreme
July Weather20°C (68°F)89 mm (3.5 inches)62%extreme
August Weather19°C (67°F)81 mm (3.2 inches)63%extreme
September Weather16°C (61°F)42 mm (1.7 inches)63%very high
October Weather7°C (45°F)47 mm (1.9 inches)72%high
November Weather2°C (36°F)30 mm (1.2 inches)79%moderate
December Weather-1°C (30°F)21 mm (0.8 inches)85%moderate

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