August Weather in Les Sables-d'Olonne, France

Last updated: February 26, 2025

In August, Les Sables-d'Olonne delights visitors with its mild climate, showcasing maximum temperatures reaching a comfortable 30°C (86°F) and an average of 20°C (68°F). The evenings cool down to a pleasant minimum of 13°C (56°F), making it ideal for outdoor activities. While the month sees 37 mm (1.5 in) of precipitation spread across 6 days, these brief showers are often followed by rejuvenating sunshine. With a humidity level of 67%, the seaside atmosphere remains inviting, perfect for beachgoers and nature enthusiasts alike. Enjoy the balance of warmth and refreshing coastal breezes in this charming French destination!

August Temperature in Les Sables-d'Olonne

In August, Les Sables-d'Olonne experiences its warmest temperatures, with minimums around 13°C (56°F) and averages reaching a pleasant 20°C (68°F). The maximums can soar to a comfortable 30°C (86°F), making it an ideal time for beachgoers and outdoor enthusiasts alike. This mid-summer warmth follows a gradual increase from the cooler months earlier in the year, where temperatures climb from chilly January lows of -2°C (28°F) to the inviting warmth of August. The trend signifies the peak of summer, consistently drawing visitors who seek the sun-drenched shores and vibrant coastal atmosphere that define this lovely French destination.

August Weather in Les Sables-d'Olonne: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Les Sables-d'Olonne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464850545965686864595249
Data source: Temperature data for Les Sables-d'Olonne generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Les Sables-d'Olonne

In August, Les Sables-d'Olonne experiences a modest precipitation level of 37 mm (1.5 in), accompanied by 6 rainy days. This marks a slight increase compared to the drier summer months of July, which recorded only 30 mm (1.2 in) of rainfall over 7 days, indicating a gradual transition towards the wetter autumn season. As the summer peaks, the decrease in precipitation days signifies a typical vacation period, allowing visitors to enjoy the beach and outdoor activities. However, as August gives way to September, the rainfall picks up, signaling that the region's climate is shifting towards more frequent rain showers and cooler temperatures in the months to come.

August Precipitation Trends in Les Sables-d'Olonne

The chart displays monthly precipitation patterns in Les Sables-d'Olonne, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec71787635596830374687106140
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Les Sables-d'Olonne

In August, Les Sables-d'Olonne experiences a modest humidity level of 67%, a slight increase from the 65% recorded in July. This uptick marks a transitional moment in the summer months, as humidity begins to rise again after reaching its lowest point. The trend of decreasing humidity from the earlier spring months through mid-summer reflects a shift towards more comfortable conditions, while the subsequent return to higher levels in September (75%) suggests that the region’s maritime climate plays a significant role in shaping monthly weather patterns. Overall, August’s moderate humidity hints at the lingering heat of summer, setting the stage for a gradual transition into the more humid autumn months.

August Average Humidity in Les Sables-d'Olonne

This chart illustrates the average monthly humidity levels in Les Sables-d'Olonne, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%84%83%81%75%65%67%75%85%88%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Les Sables-d'Olonne

In August, Les Sables-d'Olonne experiences a UV Index of 8, categorized as very high, which indicates a significant risk of harm from unprotected sun exposure. With a burn time of just 15 minutes, sunbathers should prioritize effective sun protection to prevent skin damage. This trend of elevated UV levels begins in May and peaks in July, highlighting the summer months as a critical time for sun safety. As the season transitions into September, the UV Index drops to 6, marking a return to high exposure levels but with a more manageable burn time of 25 minutes. To stay informed and prepared, you can check the full details on the Les Sables-d'Olonne UV Index.

Maximum UV Index Levels in Les Sables-d'Olonne for August

The chart shows the monthly maximum UV Index (UVI) for Les Sables-d'Olonne in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Les Sables-d'Olonne August 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.

August Sunshine in Les Sables-d'Olonne

In August, Les Sables-d'Olonne basks in the golden glow of 398 hours of sunshine, making it one of the sunniest months of the year. This warm, vibrant weather follows a steady rise in sunshine hours from January's modest 151 to July's peak of 419 hours. While August experiences a slight dip from July, it still boasts abundant sunlight, keeping summer alive and inviting locals and tourists alike to relish the beach and outdoor activities. As the sun begins to wane in September, with 337 hours of sunshine, the lingering warmth of August remains a cherished memory, highlighting how the summer months are characterized by plentiful hours of sunshine that encourage joyful gatherings and seaside adventures.

Monthly Sunshine Duration in Les Sables-d'Olonne: August Highlighted

The August sunshine duration represents the total number of hours Les Sables-d'Olonne experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec151h215h298h348h399h404h419h398h337h287h235h196h
Data source: Les Sables-d'Olonne August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Les Sables-d'Olonne During August

In Les Sables-d'Olonne, France, August showcases a promising 55% chance of sunny weather, making it one of the more favorable months for enjoying the outdoors. This sunny potential marks a notable peak in the summer season, following a steady increase from the earlier months of the year. After starting at just 23% in January, the likelihood of sunshine gradually escalates, with April's 60% being the highest prior to August. Interestingly, the sunny chances remain quite competitive into September at 53%, suggesting the region's persistent appeal for late summer visitors seeking warmth and brightness. Overall, the trends indicate that August stands out as a reliable choice for those craving rich sunshine during their getaway.

Percentage of Sunny Days in August in Les Sables-d'Olonne

The chart illustrates the percentage of sunny days in Les Sables-d'Olonne throughout the year, with August 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 Les Sables-d'Olonne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%32%52%60%39%47%49%55%53%51%41%37%
Data source: Les Sables-d'Olonne August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Les Sables-d'Olonne in August

In Les Sables-d'Olonne, August offers a delightful 14 hours of daylight, marking a slight decline from the peak 15 hours experienced in the summer months of June and July. This gradual tapering of daylight signals the transition towards autumn, where September’s daylight drops to 12 hours. The pattern throughout the year showcases a gradual increase in daylight from a modest 9 hours in January, peaking in the height of summer before beginning to recede. The ebb and flow of light not only highlight the changing seasons but also invite locals and visitors alike to relish the lingering warmth and vibrant evenings under the late summer sun.

Average Daylight Hours in Les Sables-d'Olonne for August

The chart illustrates the variation in daylight duration in Les Sables-d'Olonne throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 2m10h 19m11h 56m13h 36m15h 1m15h 44m15h 21m14h 5m12h 29m10h 50m9h 23m8h 37m
Data source: Les Sables-d'Olonne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Les Sables-d'Olonne

In August, the winds in Les Sables-d'Olonne, France blow steadily at an average speed of 5.0 m/s (11 mph), marking a gentle continuation of the trend seen in the earlier summer months. While this is a slight decrease from the breezier days of May and July, the summer remains comfortably breezy, offering ideal conditions for beachgoers and water sports enthusiasts alike. Throughout the year, wind speeds tend to fluctuate, peaking in the colder months, with December boasting the highest average at 6.4 m/s (14 mph), showcasing a seasonal rhythm that breathes life into this charming coastal destination. Overall, the August winds embody a serene calm, inviting visitors to revel in the enchanting seaside atmosphere.

Average August Wind Speed in Les Sables-d'Olonne

The chart displays monthly wind speed patterns in Les Sables-d'Olonne, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.36.25.25.06.24.05.15.0 m/s4.45.15.26.4
Data source: Les Sables-d'Olonne August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Les Sables-d'Olonne Compares to Other Months

The weather in Les Sables-d'Olonne 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 Les Sables-d'Olonne and find detailed weather information for every month.

In August, the weather in Les Sables-d'Olonne is typically warm, with minimum temperatures around 13°C (56°F) and average highs reaching up to 30°C (86°F). The month sees an average precipitation of 37 mm (1.5 in) over about 6 days, coupled with a humidity level of 67%. In contrast, January brings significantly cooler conditions, with minimum temperatures dropping to -2°C (28°F) and average highs only reaching 14°C (57°F). This month has higher precipitation at 71 mm (2.8 in) over 12 days and increased humidity at 88%. For a closer look at the January climate specifics, visit Les Sables-d'Olonne weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures range from a mild 13°C (56°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 20°C (68°F). The humidity sits at a comfortable 67%, and the month sees relatively low precipitation at 37 mm (1.5 in) over just 6 days. In contrast, February experiences much colder temperatures, with lows plunging to -3°C (26°F) and a maximum of only 16°C (61°F), averaging 9°C (48°F). Precipitation is more frequent in February, with 78 mm (3.1 in) spread across 13 days, and humidity is higher at 87%. For more specific details about February weather in Les Sables-d'Olonne, visit Les Sables-d'Olonne weather in February.

When comparing the weather in August and March, notable differences emerge. August boasts an average temperature of about 20°C (68°F), with highs reaching up to 30°C (86°F) and only 37 mm of precipitation over six days. This results in a relatively warm and dry summer month, along with a moderate humidity level of 67%. In sharp contrast, March experiences much cooler temperatures, averaging just 10°C (50°F), with minimums dropping as low as -4°C (26°F) and maximums at 18°C (64°F). It also sees higher precipitation at 76 mm spread over 13 days and increased humidity at 84%. For those interested in more details, you can view Les Sables-d'Olonne weather in March.

Comparing the weather in August and April reveals distinct seasonal differences. August typically enjoys warmer temperatures, with minimums around 13°C (56°F) and averages reaching 20°C (68°F), peaking at a maximum of 30°C (86°F). In contrast, April's temperatures are noticeably cooler, with minimums of 2°C (36°F) and averages of 12°C (54°F), peaking at 22°C (72°F). While both months experience similar levels of precipitation—37 mm (1.5 in) in August and 35 mm (1.4 in) in April—the humidity in April is higher at 83%, compared to 67% in August. For more details on April's weather specifics, you can explore Les Sables-d'Olonne weather in April.

When comparing the weather in August and May, we can observe notable differences. August typically enjoys higher temperatures, with average lows of 13°C (56°F) and highs reaching up to 30°C (86°F), while May tends to be cooler, averaging between 6°C (44°F) and 26°C (80°F). Additionally, August has less precipitation with about 37 mm (1.5 in) over just 6 days, compared to May's increased rainfall of 58 mm (2.3 in) across 10 days. Humidity levels are also slightly lower in August at 67%, compared to May's higher humidity of 81%. For a closer look at the conditions during May, you can check Les Sables-d'Olonne weather in May.

When comparing the weather in June and August, June tends to be slightly cooler on average, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), while August sees a warmer average of 20°C (68°F) with a minimum of 13°C (56°F) and a maximum of 30°C (86°F). June also experiences more rainfall, with 68 mm (2.7 in) over approximately 10 days, compared to August's 37 mm (1.5 in) over about 6 days. Additionally, humidity levels are higher in June at 75%, compared to 67% in August, indicating that June may feel more muggy overall. For more specifics on June weather, you can check Les Sables-d'Olonne weather in June.

When comparing the weather in July and August, both months exhibit similar temperature ranges, with mid-July and mid-August averaging around 20°C (68°F), while the maximum temperatures hover between 30°C (86°F) and 30°C (87°F). However, August tends to be slightly wetter, receiving 37 mm (1.5 in) of precipitation over 6 days compared to July's 30 mm (1.2 in) over 7 days. Humidity levels remain relatively close, with August at 67% and July slightly lower at 65%. For those interested in a more detailed look at July's weather, you can check out Les Sables-d'Olonne weather in July.

In comparing the weather of August and September, August tends to be slightly warmer, with average temperatures around 20°C (68°F) and a maximum of 30°C (86°F), while September sees a decrease in average temperatures to 18°C (65°F) and a maximum of 29°C (84°F). Precipitation also increases from 37 mm (1.5 in) over 6 days in August to 46 mm (1.8 in) over 8 days in September, indicating a trend toward wetter conditions as summer transitions into autumn. Additionally, September experiences higher humidity at 75% compared to August's 67%. For more detailed information on the September weather, you can check the link: Les Sables-d'Olonne weather in September.

In August, the weather is generally warmer with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), and average temperatures around 20°C (68°F). This month experiences relatively low precipitation at 37 mm (1.5 in) over about 6 days, with humidity levels at 67%. In contrast, October brings cooler temperatures, with lows of 4°C (40°F) and highs reaching 22°C (72°F), averaging 15°C (59°F). The month sees a considerable increase in rainfall, accumulating 87 mm (3.4 in) over 13 days, and humidity rises to 85%. For a detailed look at October weather in this region, check out Les Sables-d'Olonne weather in October.

August and November present quite contrasting weather conditions. In August, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), with an average of 20°C (68°F), making it a warm month. Precipitation is relatively low at 37 mm (1.5 in) over about 6 days, and humidity hovers around 67%. Conversely, November experiences much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 18°C (65°F), averaging only 11°C (52°F). This month also sees an increase in rainfall, with a total of 106 mm (4.2 in) spread over 13 days, accompanied by higher humidity levels at 88%. For more detailed insights, check Les Sables-d'Olonne weather in November.

August and December present contrasting weather conditions in terms of temperature and precipitation. In August, temperatures are significantly warmer, with a minimum of 13°C (56°F) and an average of 20°C (68°F), peaking at 30°C (86°F). The month experiences relatively low precipitation, totaling 37 mm (1.5 in) over only 6 days, alongside a moderate humidity level of 67%.

In contrast, December brings cooler temperatures, with a minimum of 2°C (35°F) and an average of just 10°C (50°F), while the maximum reaches only 15°C (59°F). This month sees a considerable increase in rainfall, accumulating 140 mm (5.5 in) over 18 days, coupled with higher humidity levels of 90%. For a closer look at December weather specifics, click here: Les Sables-d'Olonne weather in December.

Compare Les Sables-d'Olonne's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Les Sables-d'Olonne

As August rolls in, Les Sables-d'Olonne shines with its warmest days of the year, offering a delightful escape with temperatures peaking at 30°C (86°F). This month stands out with a pleasant average of 20°C (68°F), creating the perfect backdrop for beach days and outdoor adventures. While rain may greet visitors on about 6 days, the overall 37 mm (1.5 in) of precipitation is a mild contrast to the wetter months of spring and early summer. With an inviting humidity level of 67%, August embodies a perfect summer vibe, making it an ideal time to explore all that this beautiful coastal town has to offer. For a detailed look at the overall weather patterns, check out Les Sables-d'Olonne Climate.