July Weather in Lyon, France

Last updated: February 26, 2025

In July, Lyon, France experiences a dynamic climate characterized by temperatures ranging from a sizzling maximum of 39°C (102°F) to a comfortable average of 22°C (73°F), dipping to a refreshing minimum of 11°C (52°F) during the cooler nights. Travelers should prepare for occasional precipitation, as the city receives about 80 mm (3.2 in) of rainfall across 10 days this month. With an average humidity level of 68%, the weather can feel warmer, making it essential for visitors to stay hydrated while enjoying Lyon's vibrant summer atmosphere.

July Temperature in Lyon

In July, Lyon basks in the warmth of summer, with temperatures generally ranging between a minimum of 11°C (52°F) and a scorching maximum that can reach 39°C (102°F). The average temperature during this month sits comfortably at 22°C (73°F), reflecting the height of the season and inviting both locals and visitors to enjoy outdoor activities. This month typically showcases a notable trend, as temperatures peak, compared to earlier in the year, where January’s chill can plunge to -8°C (17°F). As the landscape transforms under the sun, Lyon becomes a vibrant hub of energy, perfect for leisurely strolls along the Rhône and Saône rivers or indulging in the city's renowned culinary offerings.

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

The chart illustrates July temperature patterns in Lyon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384347536068727164554541
Data source: Temperature data for Lyon 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 Lyon

In July, Lyon experiences moderate precipitation levels, averaging 80 mm (3.2 in) over approximately 10 days of rain. This volume marks a slight decrease compared to the wetter month of May, yet remains consistent with the overall trend of early summer, where rainfall tends to be more sporadic but still substantial. The relatively dry days of July contribute to a lively atmosphere in the city, allowing residents and visitors to enjoy outdoor activities while still preparing for the occasional summer shower. As summer progresses into August, precipitation levels dip further to 69 mm (2.7 in), suggesting a gradual reduction in rainfall as Lyon heads towards the late summer months.

July Precipitation Trends in Lyon

The chart displays monthly precipitation patterns in Lyon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec66537051114848069659293116
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Lyon

In July, Lyon experiences a marked decline in humidity, sitting at 68%, a significant drop from the higher levels of the earlier months. This trend indicates a transition into the summer season, where less moisture in the air often contributes to a more comfortable climate. As the heat of summer kicks in, humidity continues to decrease, with August following closely at 61%. The lower humidity levels in July and August not only enhance the city's summertime allure but also create an inviting atmosphere for outdoor activities, contrasting sharply with the wetness that characterizes the winter months, where humidity peaks around 91% in January and November. As summer wanes into autumn, humidity levels gradually rise again, highlighting the dynamic seasonal changes Lyon experiences throughout the year.

July Average Humidity in Lyon

This chart illustrates the average monthly humidity levels in Lyon, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%88%84%81%77%76%68%61%72%88%91%92%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Lyon

In July, Lyon experiences a UV Index of 9, placing it firmly in the very high exposure category. This slight dip from June's peak of 10 signifies a continued call for caution, as burn time remains a brisk 15 minutes. Trend analysis from earlier months highlights a steady increase in UV intensity, beginning with a low index of 2 in January and climbing as the year progressed. Particularly notable is the leap into the very high zones from May onward, emphasizing the importance of sun protection during this summer month. For more detailed insights on UV exposure in Lyon, check out Lyon UV Index.

Maximum UV Index Levels in Lyon for July

The chart shows the monthly maximum UV Index (UVI) for Lyon 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.
JanFebMarAprMayJunJulAugSepOctNovDec2356810986532
Data source: Lyon 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.

July Sunshine in Lyon

In July, Lyon basks in the peak of summer, enjoying an impressive 419 hours of sunshine—its sunniest month of the year. This radiant weather builds on the steadily increasing daylight from the year's start, beginning with a mere 148 hours in January and escalating towards the summer months. The upward trend clearly highlights the shift from winter's gloomy days to the vibrant warmth of summer, where sunlight graces the city, enhancing outdoor experiences and inviting locals and tourists alike to relish the beauty of Lyon's parks and riverbanks. As August approaches, the sunshine softly wanes to 393 hours, hinting at the gradual transition back to the cooler months. Yet, the brilliance of July remains a cherished highlight in the city’s calendar, embodying the essence of Lyon’s summer charm.

Monthly Sunshine Duration in Lyon: July Highlighted

The July sunshine duration represents the total number of hours Lyon experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec148h229h296h351h366h412h419h393h331h276h214h188h
Data source: Lyon July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lyon During July

In Lyon, France, the likelihood of sunny weather in July experiences a slight dip, with a 40% chance of sunshine. This figure reflects a trend where the summer months, while promising brighter days, are somewhat variable. Notably, June begins with 43%, promising a gradual transition into summertime, whereas August shows improvement at 49%. July's position highlights a midsummer fluctuation, particularly when compared to late spring months like April and May, which boast 54% and 36%, respectively. Despite the slight decline, July still offers ample opportunity for sunshine, making it a delightful time to explore the vibrant city and its scenic surroundings.

Percentage of Sunny Days in July in Lyon

The chart illustrates the percentage of sunny days in Lyon throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lyon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%41%55%54%36%43%40%49%45%44%27%27%
Data source: Lyon July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lyon in July

In July, Lyon, France, basks in an impressive 15 hours of daylight, maintaining the peak of summer’s brightness. This duration mirrors that of June, showcasing a steady expansion of daylight from the 9 hours in January to a high of 15 hours these two summer months. The sun begins its gentle descent towards autumn in August, dropping slightly to 14 hours, but overall, the trend clearly reflects a delightful progression from the muted light of winter to the vibrant, extended days of summer. As the year unfolds, Lyon transitions from the glow of dawn in early months to the luminous brilliance of July, before gradually retreating into the softer light of autumn by September.

Average Daylight Hours in Lyon for July

The chart illustrates the variation in daylight duration in Lyon throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 7m10h 22m11h 56m13h 33m14h 56m15h 38m15h 16m14h 2m12h 29m10h 52m9h 27m8h 43m
Data source: Lyon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Lyon

In Lyon, France, the month of July brings with it a gentle breeze, characterized by an average wind speed of only 2.3 m/s (5 mph). This slight dip in wind velocity, compared to the more dynamic spring months, creates a tranquil atmosphere perfect for leisurely summer days. As we transition from June, where winds pick up to 2.7 m/s, the summer's calmness is solidified—but this isn't entirely unusual. As the seasons change toward autumn, the wind speeds gradually increase again, reaching up to 3.0 m/s in October. Thus, while July's breeziness may seem subdued, it sets the stage for a shift into fall, offering a serene backdrop to enjoy the picturesque cityscapes that Lyon has to offer.

Average July Wind Speed in Lyon

The chart displays monthly wind speed patterns in Lyon, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.13.32.42.72.3 m/s2.32.13.02.42.2
Data source: Lyon July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Lyon Compares to Other Months

The weather in Lyon changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lyon and find detailed weather information for every month.

When comparing the weather of July and January, a striking contrast is evident. In July, temperatures range from a minimum of 11°C (52°F) to a maximum of 39°C (102°F), averaging 22°C (73°F), while January experiences much cooler conditions, with temperatures spanning from -8°C (17°F) to a maximum of 15°C (60°F), averaging only 3°C (38°F). Precipitation is also prevalent in both months, with July receiving about 80 mm (3.2 in) over 10 days and January recording 66 mm (2.6 in) across 12 days. Moreover, July's humidity stands at 68%, offering a warm, muggy atmosphere, while January's humidity is notably higher at 91%, contributing to a damp chill. For more information about the specific conditions, check out Lyon weather in January.

In July, Lyon experiences warm temperatures with a minimum of 11°C (52°F), averaging around 22°C (73°F), and peaking at a high of 39°C (102°F). The month also sees relatively higher humidity at 68% and an average of 80 mm (3.2 in) of precipitation over 10 days. In stark contrast, February brings much cooler weather with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), averaging just 6°C (43°F). Despite having slightly lower precipitation of 53 mm (2.1 in) spread over 11 days, February's humidity level is higher at 88%. For more detailed weather information, check out Lyon weather in February.

When comparing the weather in July and March, there is a stark contrast in temperature and humidity. July experiences much warmer conditions with average temperatures around 22°C (73°F) and highs reaching up to 39°C (102°F), while March sees much cooler temperatures, with an average of 8°C (47°F) and maximums only reaching 23°C (74°F). Additionally, July has higher humidity levels at 68%, compared to March's 84%. Precipitation is somewhat similar, with July receiving 80 mm (3.2 inches) over 10 days, while March records 70 mm (2.8 inches) over 12 days. For more detailed insights on March weather, you can check Lyon weather in March.

When comparing the weather in July and April, significant differences emerge in temperature and precipitation. July experiences much warmer temperatures, with averages around 22°C (73°F) and highs reaching up to 39°C (102°F), while April offers a cooler climate with an average of 12°C (53°F) and maximum temperatures of 28°C (82°F). Precipitation levels in July are higher, totaling 80 mm (3.2 in) over about 10 days, compared to April’s 51 mm (2.0 in) over 8 days. Additionally, the humidity in July is slightly lower at 68%, while April sees a higher humidity level of 81%. For those interested in a more detailed look at April's weather, you can check out Lyon weather in April.

In comparing the weather of July and May, we see notable differences in temperature and precipitation patterns. July boasts a wider temperature range, with a minimum of 11°C (52°F) and a maximum soaring to 39°C (102°F), averaging around 22°C (73°F). In contrast, May features milder temperatures, from a minimum of 0°C (33°F) to a maximum of 32°C (89°F), averaging just 15°C (60°F). Precipitation is also more pronounced in May, totaling 113 mm (4.5 in) over 14 days, compared to July's 80 mm (3.2 in) across only 10 days. Additionally, the humidity remains higher in May at 77%, while July's humidity is slightly lower at 68%. For more details on weather conditions during this time, you can visit Lyon weather in May.

In comparing the weather of June and July, July generally experiences warmer temperatures, with an average of 22°C (73°F) compared to June's 20°C (69°F). The minimum temperature in July is slightly higher at 11°C (52°F), while June starts off a touch cooler at 8°C (46°F). Both months see similar maximum temperatures, with July peaking at 39°C (102°F) and June reaching 38°C (100°F). Precipitation levels remain relatively comparable, with June experiencing 84 mm (3.3 in) over 12 days, while July has 80 mm (3.2 in) spread over 10 days. Notably, humidity is higher in June at 76% compared to 68% in July. For more detailed insights on June weather, you can visit Lyon weather in June.

July and August present somewhat similar weather patterns, with both months experiencing warm temperatures. July features a minimum temperature of 11°C (52°F) and an average of 22°C (73°F), while August has slightly cooler minima at 9°C (48°F) and a comparable average of 22°C (72°F). The maximum temperatures remain high, reaching up to 39°C (102°F) in July and 39°C (103°F) in August. Precipitation is marginally lower in August, with 69 mm (2.7 in) over 9 days compared to July’s 80 mm (3.2 in) over 10 days. Additionally, August tends to be less humid, averaging 61% compared to July’s 68%. For more detailed information, you can explore Lyon weather in August.

In comparing the weather of July and September, July experiences a broader temperature range, with minimums around 11°C (52°F) and maximums soaring up to 39°C (102°F), while September's temperatures are milder, ranging from a minimum of 4°C (40°F) to a maximum of 33°C (93°F). July also sees higher average temperatures at 22°C (73°F) and more precipitation, with 80 mm (3.2 in) over approximately 10 rainy days. In contrast, September has an average temperature of 18°C (64°F) and slightly less rainfall, measuring 65 mm (2.6 in) across 8 days. Notably, September's humidity is slightly higher at 72%, compared to July's 68%. For more detailed insights, check out Lyon weather in September.

In July, the weather in Lyon is characterized by warm temperatures, with a minimum of 11°C (52°F) and an average high of 22°C (73°F), occasionally reaching up to a scorching 39°C (102°F). This month sees about 80 mm (3.2 in) of rainfall across approximately 10 days, along with a humidity level of 68%. In contrast, October brings cooler temperatures, with a minimum of 1°C (33°F) and an average of 13°C (55°F), peaking at 26°C (80°F). Rainfall increases slightly to 92 mm (3.6 in) over the same number of rainy days, while humidity rises to 88%. The shift from the heat of summer to the crispness of autumn is marked by these notable changes. For more information, check out Lyon weather in October.

July and November present stark contrasts in weather conditions. In July, temperatures swing from a minimum of 11°C (52°F) to a sweltering maximum of 39°C (102°F), with an average temperature of 22°C (73°F) and relatively lower humidity at 68%. While there is some precipitation, totaling 80 mm (3.2 in) over about 10 days, the atmosphere is generally warm and inviting.

In contrast, November ushers in much cooler temperatures, with a minimum of -4°C (25°F) and an average of just 7°C (45°F), peaking at 20°C (69°F). The month experiences increased humidity at 91% and slightly higher precipitation of 93 mm (3.7 in) spread over 13 days, making the air feel damp and chilly. For more details on the weather during this time, check out Lyon weather in November.

July and December in Lyon showcase contrasting weather conditions. In July, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 39°C (102°F), with an average of 22°C (73°F). This month experiences around 80 mm (3.2 in) of precipitation over 10 days, accompanied by a humidity level of 68%. In stark contrast, December sees significantly colder temperatures, with a minimum of -4°C (25°F), an average of 5°C (42°F), and a maximum of 16°C (62°F). Monthly precipitation rises to 116 mm (4.6 in) spread across 17 days, alongside higher humidity at 92%. For a more detailed look at Lyon's December climate, you can explore Lyon weather in December.

Compare Lyon's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Lyon

July in Lyon is characterized by its warm temperatures and a splash of summer humidity, setting it apart from the cooler months. With plenty of sunshine and average highs reaching a sweltering 39°C (102°F), visitors can expect balmy days perfect for outdoor exploration, although brief rain showers may interrupt the sunny spells. The overall warmth combined with a higher humidity level of 68% makes the atmosphere feel more vibrant, inviting those enjoying the festivities and lush landscapes. For a comprehensive understanding of what to expect, check out the detailed insights on Lyon Climate.