August Weather in Biarritz, France

Last updated: February 26, 2025

Biarritz in August boasts vibrant summer weather, with maximum temperatures soaring to 34°C (94°F), while the average comfortably rests at 21°C (70°F). Visitors can expect warm days paired with cooler evenings, dipping to a pleasant 14°C (57°F). However, this picturesque coastal town sees approximately 66 mm (2.6 in) of precipitation over 11 days, contributing to a humidity level of 76% that adds to the lush landscape. Despite occasional showers, August remains an ideal time to explore Biarritz's stunning beaches and cultural richness, making it a must-visit destination for summer escapades.

August Temperature in Biarritz

In August, Biarritz embraces the height of summer with pleasantly warm temperatures, making it a popular destination for sun-seekers. The month starts with a minimum temperature of 14°C (57°F) and a comfortable average of 21°C (70°F), while daytime highs can reach an inviting 34°C (94°F). These conditions create the ideal backdrop for beach outings and outdoor activities, continuing the warm trend established in July. As the season transitions into September, temperatures begin to moderate, but visitors can still enjoy reminiscent warmth. This inviting climate makes August a delightful time to experience the beauty of Biarritz, where sun-drenched days beckon both relaxation and adventure.

August Weather in Biarritz: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Biarritz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec475153566166707067615451
Data source: Temperature data for Biarritz 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 Biarritz

In August, Biarritz experiences relatively low precipitation, with an average of 66 mm (2.6 in) spread over about 11 rainy days. This marks a decline from the heavier rains earlier in the year, such as the 131 mm in January and 192 mm in November. As summer reaches its peak, the decrease in rainfall in August signals a shift towards drier, more stable weather, allowing locals and visitors alike to enjoy the beautiful beaches and outdoor activities. This trend of reduced precipitation is consistent with the drier months of July and September, offering a reprieve before the onset of autumn's wetter conditions.

August Precipitation Trends in Biarritz

The chart displays monthly precipitation patterns in Biarritz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec13111110789125106746688120192221
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Biarritz

In Biarritz, France, the humidity levels experience a gradual decline as the year progresses, reflecting a notable seasonal trend. While the winter months, particularly January and February, boast humidity levels around 85-86%, a shift occurs as spring transitions into summer. By August, humidity dips to a comfortable 76%, marking it as the month with the lowest humidity of the year, offering a pleasant respite from the heavier, moisture-laden air of earlier months. This reduction continues into early autumn, with September recording just 75% humidity before climbing back to 81% in October. Notably, the winter months again return to higher humidity levels, peaking in December at 87%. This cyclical pattern underscores Biarritz's maritime climate, balancing between moist winters and drier summers, making it a delightful destination year-round.

August Average Humidity in Biarritz

This chart illustrates the average monthly humidity levels in Biarritz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Biarritz

In August, Biarritz experiences a UV Index of 9, categorized as very high, which means that sun exposure should be approached with caution. This is a continuation of the trend seen throughout the summer months, where July also saw a peak UV Index of 10. The burn time is quick, at just 15 minutes, encouraging beach-goers to take protective measures early in the day. Following the moderate levels in the early months of the year, the UV intensity sharply rose from April onward, highlighting the need for sun safety during the sunny summer. For a detailed look at the UV conditions throughout the year, visit Biarritz UV Index.

Maximum UV Index Levels in Biarritz for August

The chart shows the monthly maximum UV Index (UVI) for Biarritz 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.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Biarritz 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 Biarritz

August in Biarritz, France, brings a delightful blend of warm sun and balmy breezes, with an impressive 388 hours of sunshine. This month stands as a slight dip from the peak July sun, which boasts 410 hours, yet it remains a vibrant time to enjoy the last traces of summer before autumn's arrival. The gradual increase in daylight hours from January’s 172 hours to August showcases a trend of rising brightness, peaking through the summer months. As the sun begins its descent into September with 338 hours, it invites visitors to savor the remaining warmth, reminding us that even as days shorten, Biarritz continues to bask in its stunning coastal charm.

Monthly Sunshine Duration in Biarritz: August Highlighted

The August sunshine duration represents the total number of hours Biarritz 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.
JanFebMarAprMayJunJulAugSepOctNovDec172h243h310h338h378h393h410h388h338h295h232h207h
Data source: Biarritz August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Biarritz During August

In August, Biarritz enjoys a 42% chance of sunny weather, reflecting a noteworthy trend of increasing sunshine as summer unfolds. This month stands out as a peak for sun in comparison to the cooler months, notably following July's slightly lower 37% and preceding a dip in September at 32%. While March boasts the earliest surge with a 47% chance, the overall trajectory from late spring into summer suggests that August is a delightful choice for sun seekers. With the sun shining more often, beachgoers can revel in the warmth and beauty of this vibrant coastal city.

Percentage of Sunny Days in August in Biarritz

The chart illustrates the percentage of sunny days in Biarritz 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 Biarritz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%24%48%43%31%33%37%42%32%42%22%35%
Data source: Biarritz August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Biarritz in August

In August, Biarritz enjoys a delightful 13 hours of daylight, marking a gentle decline from the sun-soaked peak of 15 hours seen in June and July. This transition reflects the gradual shift from the height of summer to the earlier days of fall. As the days grow shorter, the golden light still allows for ample time to bask on the beaches and explore the vibrant coastal town. With daylight durations steadily increasing from January's 9 hours through spring, Biarritz thrives in the warmth of summer, providing the perfect backdrop for endless outdoor adventures. The progression into September, with its 12 hours of daylight, signals that while summer may be waning, the charm of the region is far from over.

Average Daylight Hours in Biarritz for August

The chart illustrates the variation in daylight duration in Biarritz throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 26m14h 42m15h 20m15h13h 53m12h 27m10h 58m9h 40m8h 59m
Data source: Biarritz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Biarritz

In August, Biarritz basks in a lull as the average wind speed dips to a gentle 2.8 m/s (6 mph), the lowest of the year. This serene atmosphere marks a noticeable trend, as summer months like July and August transition from moderate breezes to calmer days, inviting visitors to enjoy the sun-soaked beaches without the crispness of the wind. Following the lively spring and early summer months, where wind speeds hovered around 3.1 to 4.4 m/s, August brings a relaxed vibe perfect for leisurely strolls along the coastline or indulging in the local café culture. As the summer days gradually fade into September, the wind continues to ease, with an even quieter 2.7 m/s to accompany the changing season, making Biarritz a splendid retreat for anyone seeking tranquility by the sea.

Average August Wind Speed in Biarritz

The chart displays monthly wind speed patterns in Biarritz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.43.23.23.43.23.12.8 m/s2.73.13.34.4
Data source: Biarritz August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Biarritz Compares to Other Months

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

August and January present contrasting weather experiences. In August, temperatures range from a pleasant 14°C (57°F) to a scorching 34°C (94°F), with an average of 21°C (70°F). The humidity sits at a relatively high 76%, and the month sees about 66 mm (2.6 in) of precipitation over 11 days. In contrast, January brings much cooler conditions, with temperatures dipping as low as -1°C (30°F) and peaking at 20°C (69°F), averaging around 8°C (47°F). This winter month experiences higher rainfall, totaling 131 mm (5.2 in) over 13 days, and slightly elevated humidity at 86%. For a more detailed look at January's weather, you can check this link: Biarritz weather in January.

August and February present strikingly different weather profiles. In August, temperatures range from a comfortable 14°C (57°F) to a hot 34°C (94°F), contributing to an average of 21°C (70°F). Although it experiences some rainfall, with 66 mm (2.6 in) over 11 days, humidity is relatively moderate at 76%. In contrast, February showcases a cooler climate, with temperatures dipping as low as -3°C (27°F) and peaking at 24°C (75°F), averaging around 11°C (52°F). This month sees more precipitation, totaling 111 mm (4.4 in) across 12 days, and a higher humidity level of 85%. For a deeper dive into the February weather in Biarritz, check out Biarritz weather in February.

August and March present strikingly different weather conditions. In August, temperatures can soar, with averages around 21°C (70°F) and highs reaching up to 34°C (94°F), making it a warm, humid month with a humidity level of 76%. Despite the high temperatures, August sees an average of 66 mm (2.6 in) of rainfall over 11 days. In contrast, March experiences a cooler climate, with average temperatures of 12°C (53°F), maximums of 26°C (79°F), and chilling lows of -2°C (29°F). This month is wetter, receiving 107 mm (4.2 in) of precipitation across 15 days, accompanied by a slightly higher humidity level of 82%. For a more detailed look at March weather, you can visit Biarritz weather in March.

When comparing the weather in August and April, notable differences emerge in both temperature and precipitation. In August, the average temperature is significantly warmer, ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), while April experiences cooler temperatures, with averages between 2°C (36°F) and 28°C (83°F). Humidity levels are also quite high in both months, with August at 76% and April slightly higher at 81%. Precipitation patterns differ as well, with August receiving about 66 mm (2.6 in) over 11 days, compared to April’s 89 mm (3.5 in) over 12 days. For more detailed insights, check out Biarritz weather in April.

August and May present distinctly different weather patterns. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average of 21°C (70°F). The month sees relatively less precipitation, totaling 66 mm (2.6 in) over 11 days, and experiences a humidity level of 76%. In contrast, May is cooler, with temperatures ranging from 4°C (40°F) to 31°C (88°F), averaging 16°C (61°F). It also has higher precipitation at 125 mm (4.9 in) across 15 days, alongside slightly higher humidity at 80%. These differences highlight the transition from the mild spring conditions of May to the warmer and drier summer weather typical of August. For more information, check Biarritz weather in May.

When comparing the weather in June and August, June typically has a slightly cooler average temperature with a minimum of 11°C (52°F) and a maximum of 35°C (95°F), while August sees a minimum of 14°C (57°F) and an average of 21°C (70°F). Additionally, June experiences higher precipitation, totaling 106 mm (4.2 in) over 13 days, compared to August's 66 mm (2.6 in) across 11 days. Humidity levels are also slightly higher in June at 81%, compared to 76% in August. For more detailed information, you can visit Biarritz weather in June.

In comparing the weather between July and August, both months exhibit similar minimum and average temperatures, with July peaking at a higher maximum temperature of 37°C (99°F) compared to August's 34°C (94°F). Precipitation levels are slightly higher in July at 74 mm (2.9 in) with the same number of rainy days as August, which sees 66 mm (2.6 in) of rain. Additionally, humidity is marginally lower in August at 76%, while July has a humidity level of 80%. For more detailed information, you can check Biarritz weather in July.

August and September in Biarritz present a notable shift in weather patterns. In August, temperatures typically range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average temperature around 21°C (70°F). The month sees a significant amount of precipitation, totaling 66 mm (2.6 in) over approximately 11 days, along with relatively high humidity at 76%.

In contrast, September offers slightly cooler temperatures, with a minimum of 11°C (52°F) and an average of 20°C (67°F), while still matching August's maximum of 34°C (94°F). Precipitation increases to 88 mm (3.5 in) over the same number of rainy days, and humidity remains comparable at 75%. For more details about the weather conditions in September, check Biarritz weather in September.

In August, the weather tends to be warmer with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), while October sees cooler conditions with temperatures dipping to a low of 7°C (45°F) and peaking at 28°C (82°F). August experiences 66 mm (2.6 in) of precipitation over 11 days, whereas October is wetter, with 120 mm (4.7 in) of rainfall spread over 13 days. Humidity levels are also slightly higher in October at 81%, compared to August’s 76%. For a detailed look at October weather, check out Biarritz weather in October.

August in Biarritz features warmer temperatures, with an average of 21°C (70°F) and highs soaring up to 34°C (94°F). In contrast, November brings cooler weather, with average temperatures dropping to 12°C (54°F) and a maximum of 24°C (75°F). While August experiences a moderate amount of precipitation at 66 mm (2.6 in) over 11 days, November sees a significant increase in rainfall, totaling 192 mm (7.6 in) across 16 days. The humidity levels are also higher in November, reaching 85% compared to August's 76%. For more detailed information, visit Biarritz weather in November.

August and December exhibit striking differences in weather. In August, temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), with an average of 21°C (70°F). The month experiences 66 mm (2.6 in) of precipitation across 11 days, accompanied by a humidity level of 76%. In contrast, December is much cooler, with temperatures varying from a chilly 1°C (35°F) to a mild 19°C (67°F), averaging at 11°C (51°F). This month sees significantly higher precipitation, totaling 221 mm (8.7 in) over 16 days, while humidity rises to 87%. For more detailed insights into December weather, you can refer to Biarritz weather in December.

Compare Biarritz's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Biarritz

As summer reaches its peak in Biarritz, August welcomes warmer temperatures that differentiate it from the milder months preceding it. With plenty of sunny days complemented by occasional rainfall, the average temperature hovers comfortably, allowing visitors to enjoy both the vibrant beach scene and the city's cultural offerings. The 76% humidity adds a tropical feel, making those sunny days even more refreshing. While August is known for its warmth and increased precipitation, it remains a delightful month for travelers eager to experience the lively atmosphere of this coastal gem. For more in-depth weather insights, check out Biarritz Climate.