July weather forecastLyon, France
July
Weather in July
July brings to Lyon the height of summer with temperatures peaking at a TORRID 27.7°C (81.9°F). To escape the afternoon heat, citizens often retreat to the city's numerous shady parks and refreshing waterways. This month yields the most sunshine hours per day, making solar protection indispensable. Evenings provide a pleasant respite with temperatures comfortably receding after sunset. As Lyon’s populace thrives in July’s vibrant atmosphere, the city buzzes with summer festivals and events.Temperature
July, recording an average high temperature of 27.7°C (81.9°F) and a low temperature of 16.6°C (61.9°F), is Lyon's warmest month.Heat index
The heat index in July is estimated at a tropical 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The least humid month is July, with an average relative humidity of 65%.Rainfall
In Lyon, in July, it is raining for 6.9 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, there are 104.1 rainfall days, and 832mm (32.76") of precipitation is accumulated.Snowfall
In Lyon, snow does not fall in May through October.Daylight
In July, the average length of the day is 15h and 18min.On the first day of July in Lyon, sunrise is at 05:55 and sunset at 21:34. On the last day of the month, sunrise is at 06:23 and sunset at 21:10 CEST.
Sunshine
With an average of 9.1h of sunshine, July has the most sunshine of the year in Lyon.UV index
June and July, with an average maximum UV index of 8, are months with the highest UV index in Lyon, France. A UV Index value of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 8 during July morphs into the following directions:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Lyon, France, experiences its highest temperatures in July, with an average peak of 27.7°C (81.9°F) and a low of 16.6°C (61.9°F).
In Lyon, 27.7°C (81.9°F) is the average high-temperature and 16.6°C (61.9°F) is the average low-temperature during July. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 30°C (86°F).
July is the least humid month in Lyon, with an average relative humidity of 65%.
The average relative humidity in July in Lyon is 65%.
In Lyon, France, during July, the rain falls for 6.9 days and regularly aggregates up to 64mm (2.52") of precipitation.
May through October are months without snowfall in Lyon, France.
In Lyon, France, the average day length in July is 15h and 18min.
On the first day of July, sunrise is at 05:55 and sunset at 21:34. On the last day of the month, sunrise is at 06:23 and sunset at 21:10 CEST.
July has the most sunshine of the year in Lyon, with an average of 9.1h of sunshine.
In July, the average sunshine duration in Lyon, France, is 9.1h.
June and July, with an average maximum UV index of 8, are months with the highest UV index in Lyon, France.
In July, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to UV radiation.
Average temperature in July
Lyon, France
- Average high temperature in July: 27.7°C
The warmest month (with the highest average high temperature) is July (27.7°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in July: 16.6°C
The month with the highest average low temperature is July (16.6°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average humidity in July
Lyon, France
- Average humidity in July: 65%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is July (65%).
Average rainfall in July
Lyon, France
- Average rainfall in July: 63.7mm
The wettest month (with the highest rainfall) is October (98.6mm).
The driest month (with the least rainfall) is February (44.1mm).
Average rainfall days in July
Lyon, France
- Average rainfall days in July: 6.9 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is July (6.9 days).
Average snowfall days in July
Lyon, France
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Lyon, France
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in July: 9h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average UV index in July
Lyon, France
- Average UV index in July: 8
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
