August weather forecast
Lyon, France

The hot summer weather persists in Lyon throughout August. Despite a slight reduction from July's peak temperatures, the sweltering conditions prevail. August becomes a time when both locals and visitors indulge in refreshing activities such as swimming and water sports. This month is also famed for the prevalence of beautiful summer sunsets and al fresco dining. In August, Lyon’s climate continues to facilitate an active and joyous outdoor lifestyle.

Temperature

The commencement of August brings an average high-temperature of a still moderately hot 27.2°C (81°F), marking an inconsequential divergence from July. In the month of August, the average low-temperature usually rests at an enjoyable 16°C (60.8°F).

Heat index

August's mean heat index is estimated at 29°C (84.2°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Lyon, France, the average relative humidity in August is 70%.

Rainfall

In Lyon, during August, the rain falls for 7.1 days and regularly aggregates up to 62mm (2.44") of precipitation. In Lyon, during the entire year, the rain falls for 104.1 days and collects up to 832mm (32.76") of precipitation.

Snowfall

In Lyon, snow does not fall in May through October.

Daylight

In August, the average length of the day in Lyon is 14h and 5min.
On the first day of August, sunrise is at 06:24 and sunset at 21:09. On the last day of the month, sunrise is at 07:01 and sunset at 20:20 CEST.

Sunshine

The average sunshine in August in Lyon is 8.2h.

UV index

The average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in August transforms into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.