July Weather in Chartres, France

Last updated: February 26, 2025

In Chartres, France during July, temperatures exhibit a striking range, with maximums soaring to a blistering 40°C (105°F) and averaging around 20°C (68°F), while lows can dip to a cool 7°C (45°F). The month sees 39 mm (1.5 in) of precipitation spread over 8 days, contributing to an ambient humidity level of 73%. This combination of warmth and moisture creates a dynamic summer climate, making Chartres an intriguing destination for travelers seeking both vibrant sunshine and the occasional refreshing shower.

July Temperature in Chartres

In Chartres, France, July brings a delightful warmth that marks the height of summer. With minimum temperatures averaging around 7°C (45°F) and soaring to a steamy max of 40°C (105°F), the month showcases a vibrant range that appeals to sun-seekers. The average temperature sits comfortably at 20°C (68°F), providing a perfect climate for outdoor activities and exploring the charming streets of this historic city. As July transitions from the cooler June temps—from a manageable average of 18°C (65°F)—to this summer peak, it signals a distinct warming trend. The gradual increase culminates in lively summer days, making it an inviting time to experience the rich culture and stunning architecture of Chartres under the sun.

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

The chart illustrates July temperature patterns in Chartres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404346515764686761544543
Data source: Temperature data for Chartres 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 Chartres

In July, Chartres, France, experiences a notable dip in precipitation, recording just 39 mm (1.5 in) over the course of 8 days. This decrease follows the more substantial rainfall of May and June, where levels reached 79 mm (3.1 in) and 78 mm (3.1 in) respectively. The trend indicates that as summer progresses, the city enjoys relatively drier weather, providing a welcome respite for outdoor activities. However, July's rainfall is still significant enough to maintain the lush greenery characteristic of the region during the warmer months, making it an ideal time to explore its picturesque landscapes.

July Precipitation Trends in Chartres

The chart displays monthly precipitation patterns in Chartres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec495871347978395342726289
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Chartres

In Chartres, France, the humidity levels show a distinct trend throughout the year, gradually declining from early to mid-summer. Starting at a lofty 91% in January, humidity steadily decreases, reaching its lowest point of 73% in July. This drop is part of a broader seasonal pattern where the months of June and July mark a transition into warmer and drier conditions, with August following closely behind at 68%. As summer fades, humidity levels begin their ascent once again, rising sharply in the fall months to 76% by September and peaking again in winter with 92% in November. This cycle highlights Chartres' shift from muggy winters to more comfortable summer months, offering a pleasant respite before the return of the damp winter climate.

July Average Humidity in Chartres

This chart illustrates the average monthly humidity levels in Chartres, 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%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Chartres

In July, Chartres experiences a UV Index of 9, indicating very high exposure to ultraviolet rays, just like the previous month in June. With a burn time of only 15 minutes, it's essential for residents and visitors to plan their sun exposure carefully. This pattern of increasing UV levels from earlier months—where January began with a modest UV Index of 2—highlights the dramatic rise in solar intensity as summer peaks. Post the sizzling July, the UV Index will gradually decline to 8 in August and 6 by September, suggesting that while mid-summer demands extra caution, relief is on the horizon as autumn approaches. Always stay informed and protect your skin by checking the latest updates on the Chartres UV Index.

Maximum UV Index Levels in Chartres for July

The chart shows the monthly maximum UV Index (UVI) for Chartres 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Chartres 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 Chartres

In July, Chartres basks in its sunniest splendor, boasting an impressive 409 hours of sunshine that outshines every other month of the year. As the warmth of summer peaks, the city not only radiates vibrant light but also highlights a notable upward trend in sunlight hours, beginning with a modest 132 hours in January and steadily climbing through the spring to reach this summer pinnacle. Following July, August also promises delightful days with 380 hours, but as autumn approaches, the sun begins to wane, dropping to 318 hours in September. This seasonal cycle, with its marked increase in sunlight from the winter months to the summer, elegantly reflects the allure of Chartres under the warm embrace of July sunshine.

Monthly Sunshine Duration in Chartres: July Highlighted

The July sunshine duration represents the total number of hours Chartres 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.
JanFebMarAprMayJunJulAugSepOctNovDec132h201h267h351h389h402h409h380h318h264h203h165h
Data source: Chartres July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chartres During July

In Chartres, France, the likelihood of sunny weather experiences a notable shift throughout the year, culminating in July with a 36% chance of sunshine. While this percentage may seem modest compared to the sunnier months like March or April, it remains relatively steady alongside August’s similar odds. Interestingly, the summer months do not see a significant increase in sunshine probability; instead, they hover around the mid-30s. This trend suggests that while July can certainly deliver pleasant sunny days, visitors should also prepare for the possibility of overcast skies. Thus, while Chartres shines brighter in the spring, July provides a blend of sun and clouds, capturing the essence of a typical French summer.

Percentage of Sunny Days in July in Chartres

The chart illustrates the percentage of sunny days in Chartres 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 Chartres experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%26%46%58%34%38%36%36%44%43%28%24%
Data source: Chartres July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chartres in July

In Chartres, France, the variation in daylight duration throughout the year paints a vibrant seasonal portrait. The longest days occur in June, with an impressive 16 hours of sunlight, creating the perfect backdrop for outdoor activities and summer festivities. As July arrives, the daylight gently tapers to 15 hours, still offering ample time to enjoy the warm summer evenings. Following this peak, August brings a slight decline to 14 hours, signaling the gradual transition toward autumn. As the year progresses, daylight diminishes, with shorter days in fall and winter, reaching their lowest in January and December at just 8 hours. This rhythmic change in daylight not only defines the seasons but also influences the lifestyle and activities of the residents in this picturesque French town.

Average Daylight Hours in Chartres for July

The chart illustrates the variation in daylight duration in Chartres throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 48m10h 11m11h 55m13h 42m15h 14m16h 1m15h 36m14h 14m12h 31m10h 46m9h 11m8h 22m
Data source: Chartres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Chartres

In July, the winds in Chartres, France, blow gently at an average speed of 3.8 m/s (9 mph), maintaining a consistent pace with both the preceding month of June and the following month of August. This moderate breeze reflects a notable shift from the calm of late spring, where June recorded the lowest wind speeds of the year at 2.8 m/s (6 mph). As summer settles in, one can sense a return to more invigorating air currents reminiscent of the earlier months. Interestingly, throughout the year, wind speeds generally exhibit a subtle oscillation, with the months of January and May experiencing the highest gusts at 4.4 m/s (10 mph) and 4.7 m/s (11 mph), respectively. Overall, July stands as part of Chartres' tranquil summer tapestry, where breezes are soft but steady, inviting tranquil afternoons and leisurely exploration of this charming city.

Average July Wind Speed in Chartres

The chart displays monthly wind speed patterns in Chartres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.33.84.72.83.8 m/s3.83.14.13.64.4
Data source: Chartres July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Chartres Compares to Other Months

The weather in Chartres 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 Chartres and find detailed weather information for every month.

The weather in July contrasts sharply with that of January. In July, temperatures range from a minimum of 7°C (45°F) to a scorching maximum of 40°C (105°F), with an average of 20°C (68°F). The month experiences relatively low precipitation at 39 mm (1.5 in) over about 8 days, paired with a humidity level of 73%. Conversely, January is characterized by much colder temperatures, with a minimum of -9°C (17°F) and a maximum of 14°C (58°F), averaging just 4°C (40°F). This winter month sees slightly higher precipitation of 49 mm (1.9 in) spread over 10 days, along with increased humidity at 91%. For further details on January weather in Chartres, visit Chartres weather in January.

When comparing the weather in July and February, there are significant differences in temperature and precipitation patterns. July experiences a wide temperature range, with a minimum of 7°C (45°F), an average of 20°C (68°F), and a maximum that can soar to 40°C (105°F), making it a warm month with more sunshine. In contrast, February sees much cooler temperatures, with a minimum of -9°C (17°F), an average of 6°C (43°F), and a maximum that only reaches up to 20°C (68°F).

While July receives less precipitation at 39 mm (1.5 in) over about 8 days, February has more rainfall, totaling 58 mm (2.3 in) across 13 days, contributing to its higher humidity level of 89% compared to July's 73%. These contrasting conditions highlight the shift from summer warmth to winter chill, making each month distinctly different in terms of weather. For more detailed insights, you can refer to Chartres weather in February.

When comparing the weather in July and March, it’s clear that they offer distinctly different experiences. July brings warmer temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 40°C (105°F), with an average of 20°C (68°F). This month also sees relatively low precipitation at 39 mm (1.5 inches) over about 8 days and a humidity level of 73%. In contrast, March features cooler conditions, with temperatures ranging from a chilly -9°C (15°F) to a more temperate 24°C (75°F), averaging around 8°C (46°F). Additionally, March experiences higher precipitation, totaling 71 mm (2.8 inches) over 14 days, along with increased humidity at 85%. For a closer look at the climate in March, you can refer to this link: Chartres weather in March.

When comparing the weather in July and April, it's clear that July is significantly warmer, with average temperatures reaching 20°C (68°F), and highs soaring up to 40°C (105°F). In contrast, April sees much cooler conditions, with an average temperature of 11°C (51°F) and maximums only reaching 27°C (80°F). Precipitation levels are relatively similar, with July recording 39 mm (1.5 in) over 8 days and April having 34 mm (1.3 in) over 7 days. Notably, April has higher humidity at 84% compared to July's 73%. For a detailed overview of the weather patterns in April, you can check Chartres weather in April.

In comparing the weather of July and May, it's evident that July offers significantly warmer temperatures, with a minimum of 7°C and a robust average of 20°C, reaching highs of 40°C. In contrast, May experiences cooler conditions, with a minimum of -1°C, an average of 14°C, and a maximum of 29°C. Additionally, July sees lower precipitation levels at 39 mm over 8 days, while May is wetter, receiving 79 mm across 13 days. Humidity is also slightly lower in July at 73%, compared to May's 82%. For a detailed perspective on May's climate, you can check Chartres weather in May.

In comparing the weather of July to June, July experiences slightly warmer temperatures, with a minimum of 7°C (45°F) and an average of 20°C (68°F), compared to June's minimum of 6°C (42°F) and average of 18°C (65°F). The maximum temperature in July can reach up to 40°C (105°F), significantly higher than June's peak of 35°C (96°F). However, July sees less precipitation, totaling 39 mm (1.5 in) over about 8 days, while June has a higher rainfall of 78 mm (3.1 in) distributed over 12 days. Humidity levels are also slightly lower in July at 73%, compared to June's 80%. For more detailed information on June weather, visit Chartres weather in June.

In comparing the weather of July and August, we see a slight decline in both temperature and humidity. July boasts a minimum of 7°C and a maximum of 40°C, while August has a slightly cooler minimum of 6°C and a maximum reaching 37°C. The average temperature also drops from 20°C in July to 19°C in August. Precipitation increases in August, with 53 mm recorded over 9 days compared to July's 39 mm over 8 days. Additionally, humidity decreases from 73% in July to 68% in August, contributing to a more comfortable climate as summer progresses. For more details, you can view the Chartres weather in August.

In July, temperatures can soar as high as 40°C (105°F), resulting in an average of 20°C (68°F) and a relatively high humidity of 73%. The month experiences about 39 mm (1.5 in) of precipitation over approximately 8 days. In contrast, September brings cooler temperatures, with a maximum of 34°C (93°F) and a lower average of 16°C (62°F). While it might be a bit wetter, with 42 mm (1.7 in) of precipitation over about 9 days, the humidity also rises slightly to 76%. For those interested in a closer look at September weather trends, check out Chartres weather in September.

July and October present strikingly different weather conditions. In July, temperatures range from a minimum of 7°C (45°F) to a sweltering maximum of 40°C (105°F), with an average of 20°C (68°F). Conversely, October has a more temperate range, with minimums dropping to 1°C (34°F) and maximums peaking at 26°C (78°F), averaging at 12°C (55°F). Precipitation is notably higher in October, totaling 72 mm (2.8 in) over 11 days, compared to July’s 39 mm (1.5 in) over 8 days. Additionally, October's humidity is higher at 88%, contrasting with July's 73%. For those looking to explore the autumn weather in detail, check out Chartres weather in October.

In comparing the weather in July and November, there is a stark contrast in temperatures and general conditions. July boasts a warm average temperature of 20°C (68°F), with highs reaching up to 40°C (105°F), but it can be accompanied by humidity levels around 73% and light precipitation of 39 mm over roughly 8 days. In contrast, November sees much cooler average temperatures of 7°C (46°F), with highs only reaching 18°C (65°F) and lows dipping to -3°C (26°F). This month also experiences higher precipitation at 62 mm across about 12 days and increased humidity at 92%. For a more detailed look at November weather specifically, you can visit Chartres weather in November.

In July, the weather is typically warm, with average temperatures around 20°C (68°F) and highs reaching up to 40°C (105°F), accompanied by relatively low precipitation of 39 mm (1.5 in) over 8 days and humidity levels at 73%. In contrast, December experiences much cooler temperatures, with an average of 6°C (43°F) and maximums around 15°C (59°F). This month sees increased precipitation at 89 mm (3.5 in) over 16 days and higher humidity at 93%, creating a notably different and wetter climate. For a more detailed look at December weather, check out Chartres weather in December.

Compare Chartres's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Chartres

July in Chartres presents a vibrant contrast to other months, with warmer temperatures that peak significantly higher, providing an ideal backdrop for outdoor activities and exploration. While the average temperature is pleasantly mild, the occasional spike can reach a sweltering 40°C (105°F). Humidity levels are notably high at 73%, adding a touch of summer humidity that often accompanies warmth. Though rainfall does occur, with 8 days contributing to a total of 39 mm (1.5 in) of precipitation, the summer sun often prevails, making it a prime time to experience the region’s charm. For a deeper dive into how Chartres basks in the summer sun compared to other seasons, check out Chartres Climate.