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August Weather in Lyons, United States

Last updated: June 24, 2025

In Lyons, United States, the average temperature in August hovers around 23°C (73°F). Expect temperatures to vary from a cool 9°C (49°F) to a sweltering 36°C (97°F). During this month, precipitation totals around 115 mm (4.5 in) over 9 days, while average humidity sits at a noticeable 80%. Stay prepared for both warm sunny spells and refreshing showers!

August Temperature in Lyons

In August in Lyons, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop as low as 9°C (49°F). Pack for a range of weather to fully enjoy your travels in Lyons this month.

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 23°C (73°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec242339486175777368513830
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 9 days, indicating a relatively wet period for the region.

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 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec303088711511226911582872844
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 80%. With an average temperature of 23°C (73°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly sticky and requiring frequent breaks in shaded areas to stay comfortable while exploring.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
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-5°C (24°F)30 mm (1.2 inches)76%moderate
February Weather-5°C (24°F)30 mm (1.2 inches)80%moderate
March Weather4°C (39°F)87 mm (3.4 inches)73%high
April Weather9°C (48°F)71 mm (2.8 inches)74%very high
May Weather16°C (61°F)151 mm (5.9 inches)78%very high
June Weather24°C (75°F)122 mm (4.8 inches)82%very high
July Weather25°C (77°F)69 mm (2.7 inches)83%very high
August Weather23°C (73°F)115 mm (4.5 inches)80%very high
September Weather20°C (68°F)82 mm (3.2 inches)75%very high
October Weather11°C (51°F)87 mm (3.4 inches)75%high
November Weather4°C (39°F)28 mm (1.1 inches)82%moderate
December Weather-1°C (30°F)44 mm (1.7 inches)83%low

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