Last updated: February 26, 2025
During August in Nantes, France, temperatures range dramatically, with a maximum of 38°C (100°F) and an average of 19°C (67°F). This month also experiences cooler nights, dipping to a minimum of 8°C (47°F). Although sunshine prevails, Nantes sees about 42 mm (1.7 in) of precipitation over 7 days, contributing to an overall humidity level of 67%. This combination of warmth and occasional rain makes August a vibrant yet varied month, perfect for enjoying the dynamic outdoor ambiance of this beautiful city.
August in Nantes, France, showcases the peak of summer with temperatures that reflect warmth and vibrancy. The month experiences a minimum of 8°C (47°F), rising to a comfortable average of 19°C (67°F), and reaching a maximum of 38°C (100°F) on particularly hot days. This warmth is part of a clear upward trend from the cooler months preceding it, marking a noticeable shift from the chill of winter and spring. As July's high temperatures merge seamlessly into August, locals and visitors alike revel in the long, sunny days, making it an ideal time for outdoor activities. With temperatures that can rival some of the hottest months of the year, August in Nantes is a vibrant celebration of summer's peak.
In August, Nantes experiences a moderate level of precipitation, totaling 42 mm (1.7 in) over the course of 7 days. This amount is slightly higher than the drier month of July, which recorded just 36 mm (1.4 in), but notably lower than the wetter months of June and October. The pattern reveals that August serves as a transitional period, where rainfall remains relatively mild, providing a refreshing respite from the summer heat. As the city looks ahead to September, precipitation levels begin to rise again, hinting at the arrival of autumnal weather while maintaining a delicate balance that keeps the landscape vibrant and lush.
In August, Nantes experiences a slight rise in humidity, with levels reaching 67%. This marks a small increase from the notably drier July, where humidity dropped to 65%. As summer progresses, the transition from the cooler months of January through April—characterized by high humidity levels that hover between 83% and 88%—to the warmer season becomes evident. While August's humidity remains considerably lower than in the depths of winter, it suggests a seasonal trend of gradual humidity recovery as the landscape prepares for autumn. The humidity levels are reflective of a shift back towards the wetter conditions anticipated in the upcoming months, providing a reminder of the region's maritime climate.
In August, the UV Index in Nantes, France stands at a striking 8, indicating a very high exposure category. As summer reaches its peak, residents and visitors should be particularly mindful of sun protection, as the burn time is shortened to just 15 minutes. This trend highlights the intensifying sunlight leading into the summer months, following a progressive rise from January's low index of 2 to August's elevated levels. After basking in the sun during July, where the UV Index also hit 9, the slightly decreased index in August still calls for caution. As the season transitions into autumn, the UV Index drops to 6 in September, reminding everyone that sun safety should remain a priority year-round. For more detailed insights, visit Nantes UV Index.
UV Risk Categories
August in Nantes, France, graces residents with a delightful average of 395 hours of sunshine, a brilliant continuation of the summer’s warmth. The month stands as a culmination of a trend that starts in January with a modest 139 hours and increases steadily, peaking in July at 418 hours. This impressive mid-summer sunshine gradually tapers off as autumn approaches, with September still enjoying a respectable 331 hours. Indeed, the sun-drenched days of summer create a vibrant atmosphere, providing a fond farewell to the peak sunny months as the city prepares for the cooler, more overcast days of fall.
In August, Nantes enjoys a moderate likelihood of sunny weather, with a 44% chance of sun that surpasses the earlier summer months. The trend of increasing sunshine begins in March, peaking in April at 58%, before gradually declining in May and June. While July offers a slightly lower 42% chance, August maintains a promising outlook, close to that of September and October, both at 46%. This steady pattern suggests that while August is not the sunniest month, it promises pleasant weather conducive to outdoor activities, making it an ideal time to explore the vibrant city and its surroundings.
In August, Nantes basks in an impressive 14 hours of daylight, marking a gentle decline from the sun-drenched days of summer. This month showcases the city's transition from the peak brightness of July, which boasts the most daylight at 15 hours, to the cooler autumn evenings that follow. As the summer wanes, daylight gradually recedes, with May, June, and July featuring the year's longest days, all tied at 15 hours. By September, daylight shrinks to 12 hours, signaling the onset of autumn's embrace. This gradual ebb reflects a clear trend of increasing daylight duration from winter to summer, only to soften into the cozy confines of autumn’s shorter days.
In Nantes, August brings a gentle breeze, with an average wind speed of 3.7 m/s (8 mph), slightly lower than the lively gusts of earlier summer months. This seasonal lull in wind aligns with the warmest days of the year, where people often flock to the banks of the Loire River, enjoying the soft caress of the air. Interestingly, despite the gradual decline in wind speed from June's 2.8 m/s (6 mph), August still experiences a notable decrease compared to the busier spring months, when wind speeds reach up to 4.7 m/s (10 mph) in February and 4.6 m/s (10 mph) in May. As we transition into autumn, a similar pattern emerges, with September showing an even lighter touch at 3.3 m/s (7 mph). This overall trend indicates a shift from the more dynamic wind patterns of early and late seasons to the relaxed, soothing currents typical of summer's end in Nantes.
The weather in Nantes changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Nantes and find detailed weather information for every month.
In August, temperatures soar with a minimum of 8°C (47°F) and an impressive maximum of 38°C (100°F), averaging around 19°C (67°F). The month experiences moderate precipitation at 42 mm (1.7 in) over about 7 days, accompanied by a comfortable humidity level of 67%. In contrast, January brings much cooler weather, with temperatures plunging to a minimum of -7°C (20°F) and only reaching a maximum of 16°C (61°F), averaging 6°C (43°F). Precipitation is slightly higher at 50 mm (2.0 in), spread over 9 days, and the humidity rises significantly to 88%. For more details, check out Nantes weather in January.
August and February present stark contrasts in weather. In August, temperatures range from a comfortable 19°C (67°F) on average, with highs peaking at 38°C (100°F), suitable for outdoor activities. However, this month also sees significant humidity at 67% and some rainfall, with about 42 mm (1.7 in) of precipitation over approximately 7 days.
In contrast, February offers much cooler conditions, with average temperatures around 7°C (46°F), and lows dipping to -6°C (21°F). This month experiences a higher total precipitation of 66 mm (2.6 in) over about 13 days, alongside increased humidity at 87%. The winter chill and frequent rain make February a markedly different experience compared to the warmth and dryness of August. For more details, check out this link: Nantes weather in February.
When comparing the weather in August and March, notable differences emerge. August typically experiences warmer temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 38°C (100°F), with an average around 19°C (67°F). In contrast, March is significantly cooler, with temperatures ranging from a minimum of -8°C (19°F) to a maximum of 24°C (76°F), and an average of 9°C (49°F). Additionally, March tends to have more rainfall, averaging 71 mm (2.8 in) over 13 days, compared to August's 42 mm (1.7 in) over 7 days. The humidity is also higher in March at 84% compared to August's 67%. For more details on March weather in Nantes, check out Nantes weather in March.
August weather is characterized by significantly warmer temperatures, with an average of 19°C (67°F) and maximums reaching up to 38°C (100°F), making it one of the hottest months of the year. In contrast, April experiences cooler temperatures, with an average of 12°C (53°F) and maximums peaking at 27°C (80°F). While both months receive some rainfall, August has slightly less precipitation at 42 mm (1.7 in) over about 7 days, compared to April's 51 mm (2.0 in) over 8 days. Additionally, the humidity is lower in August at 67% compared to 83% in April, contributing to a different overall feel for the seasons. For more details on April's weather, check out Nantes weather in April.
When comparing the weather in August and May, it's clear that August generally boasts warmer temperatures, with a minimum of 8°C (47°F), an average of 19°C (67°F), and a maximum of 38°C (100°F). In contrast, May starts off cooler, with a minimum of 1°C (34°F), an average of 15°C (59°F), and a maximum of 31°C (88°F). Precipitation is lower in August at 42 mm (1.7 in) over 7 days, while May experiences more frequent rain with 64 mm (2.5 in) across 11 days. Additionally, humidity levels in May are higher at 81%, compared to August's 67%. For a more detailed insight on May weather, you can visit Nantes weather in May.
In comparing the weather of August and June, we see notable differences in temperature and precipitation. August typically enjoys milder temperatures, with an average of 19°C (67°F) compared to June's 18°C (65°F). However, August can reach higher maximum temperatures of up to 38°C (100°F), just slightly above June's peak of 37°C (98°F). Precipitation is less frequent in August, totaling 42 mm over 7 days, in contrast to June, which sees significantly more rain at 84 mm over 11 days. Additionally, humidity is lower in August at 67%, compared to 75% in June. For a more detailed look at June weather, you can visit Nantes weather in June.
In comparing the weather between July and August, both months experience similar maximum temperatures, peaking at 38°C (100°F). However, August tends to be slightly cooler overall, with average temperatures around 19°C (67°F) compared to July's 20°C (69°F). Precipitation levels in August are marginally higher, with 42 mm (1.7 in) over 7 days, compared to July's 36 mm (1.4 in) during the same number of days. Humidity levels also increase slightly in August, reaching 67%, compared to 65% in July. For more detailed information, you can check Nantes weather in July.
In August, the weather typically sees a minimum temperature of 8°C (47°F) and an average high of 38°C (100°F), making it a warm month with an average temperature around 19°C (67°F). Precipitation is relatively low at 42 mm (1.7 in) over about 7 days, and the humidity averages 67%. In contrast, September brings slightly cooler conditions, with minimum temperatures dropping to 5°C (41°F) and an average temperature of around 17°C (63°F). The maximum temperature also decreases to 34°C (93°F). Rainfall increases slightly to 45 mm (1.8 in) across 8 days, contributing to a higher humidity level of 75%. For more details on the weather in September, you can check Nantes weather in September.
In comparison to August, which experiences a wider temperature range with a minimum of 8°C (47°F) and a scorching maximum of 38°C (100°F), October sees cooler conditions, with a minimum of 2°C (35°F) and a maximum of 26°C (79°F). August is characterized by an average high of 19°C (67°F) and lower humidity at 67%, while October's average temperature drops significantly to 13°C (56°F) and humidity rises to 85%. Additionally, October tends to be wetter, with 83 mm (3.3 in) of precipitation over 11 days, compared to August's 42 mm (1.7 in) over just 7 days. For more detailed weather information, check out Nantes weather in October.
In August, the weather is characterized by warm temperatures, with an average of 19°C (67°F) and highs reaching up to 38°C (100°F), making it ideal for summer activities. However, it also features a relatively moderate level of humidity at 67% and some precipitation, averaging 42 mm over about 7 days. In contrast, November brings much cooler conditions, with temperatures averaging only 9°C (48°F) and dipping as low as -3°C (26°F) at night. The month experiences increased precipitation, totaling 79 mm over 11 days, along with higher humidity levels at 88%. For more details on November's climate, you can check out Nantes weather in November.
In August, the weather tends to be warm and dynamic, with temperatures ranging from a minimum of 8°C (47°F) to a sweltering maximum of 38°C (100°F) and an average of about 19°C (67°F). This month sees relatively low precipitation at 42 mm (1.7 in) over approximately 7 days, accompanied by moderate humidity levels of 67%. In contrast, December presents a much cooler climate, with temperatures dropping to a minimum of -3°C (27°F) and peaking at 17°C (62°F), giving an average of 8°C (46°F). Precipitation increases significantly to 107 mm (4.2 in), spread over about 15 days, and humidity rises to a high of 90%. For more detailed insights, you can check Nantes weather in December.
As August arrives in Nantes, the weather takes on a character all its own, characterized by warmer temperatures and a lively mix of sun and rain. With maximum highs reaching up to 38°C (100°F), it’s a stark contrast to the cooler months, inviting outdoor activities and exploration. Despite its warm disposition, August is also marked by a fair share of precipitation, averaging 42 mm over approximately seven days, which helps to keep the lush landscapes vibrant. The 67% humidity adds a touch of stickiness to the air, further emphasizing the summer vibe. For detailed insights into how August fits into the broader spectrum of local weather patterns, explore Nantes Climate.