July Weather in Lyons, United States

Last updated: June 24, 2025

In July, the average temperature in Lyons, United States reaches a warm 29°C (84°F). Expect a climate where the minimum temperature can dip to 20°C (68°F), while the maximum can soar up to 39°C (103°F). With an average humidity of 80%, be prepared for a tropical feel! Additionally, anticipate 124 mm (4.9 in) of precipitation spread over 16 days, making it a lively yet humid month.

July Temperature in Lyons

In July in Lyons, the average temperature is 29°C (84°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 20°C (68°F). Be prepared for warm weather during your travels, and pack accordingly!

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

The chart illustrates July 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, July typically has an average temperature of 29°C (84°F), with highs reaching up to 39°C (103°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec525761677680838279725854
Data source: Temperature data for Lyons generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Lyons

In Lyons in July, the precipitation amount is 124 mm (4.9 in) occurring over a period of 16 days.

July Precipitation Trends in Lyons

The chart displays monthly precipitation patterns in Lyons, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Lyons, July typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7897728479103124115947958123
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Lyons

In Lyons in July, humidity is 80%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, as sweat clings to your skin and every step requires extra effort.

July Average Humidity in Lyons

This chart illustrates the average monthly humidity levels in Lyons, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Lyons is approximately 80%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Lyons

In Lyons in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Lyons in July, 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 July, the maximum UV index in Lyons typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Lyons July 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 July 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 July’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 July’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

Compare Lyons's Climate with Cities Worldwide