August Weather in Vannes, France

Last updated: February 26, 2025

Experience the enchanting August weather in Vannes, France, where daily temperatures range from a cozy minimum of 9°C (48°F) to a delightful maximum of 34°C (94°F). The month boasts an average temperature of 18°C (65°F), providing a pleasant backdrop for outdoor adventures. While basking in the warm sun, be prepared for occasional drizzle, with precipitation amounting to 50 mm (2.0 in) over 9 days. The air is filled with a humidity level of 78%, adding a refreshing touch to the sultry summer days. Enjoy the harmony of warmth and cool, as Vannes invites you to explore its vibrant attractions amidst a beautifully balanced climate.

August Temperature in Vannes

August in Vannes, France, is characterized by warm and inviting temperatures, making it a prime time for both locals and tourists to enjoy the region's beautiful offerings. With minimum temperatures starting at a comfortable 9°C (48°F) and soaring to maximums of 34°C (94°F), this month experiences a delightful range that appeals to sun-seekers. The average temperature hovers around 18°C (65°F), showcasing a noticeable warmth that builds on the milder summer months of June and July. As the height of summer, August not only maintains the pleasant warmth found earlier in the season but can also surprise with peaks that flirt with the year’s highest readings, enhancing Vannes' allure for outdoor festivities and seaside strolls.

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

The chart illustrates August temperature patterns in Vannes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444648525763666561564947
Data source: Temperature data for Vannes 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 Vannes

In August, Vannes experiences a mild precipitation total of 50 mm (2.0 in), slightly above the summer average. With 9 days of rain, the month provides a balance between sunny intervals and refreshing showers, offering a welcome respite from the heat. This pattern aligns with the wetter months preceding and following August, such as June’s 84 mm and September’s 42 mm, hinting at the transition to the fall season. Despite this moderate rainfall, August's total is notably lower than the subsequent months, which often see increased precipitation, particularly in October, with 91 mm (3.6 in). This trend underscores a gradual shift towards the wetter conditions characteristic of late summer and early autumn in this charming French locale.

August Precipitation Trends in Vannes

The chart displays monthly precipitation patterns in Vannes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4970634568844850429175104
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Vannes

In August, Vannes experiences a humidity level of 78%, marking a slight dip from the preceding months, with July being at 77%. This decline indicates a gradual transition to the end of summer, as humidity levels in Vannes are generally high throughout the year, averaging around 81%. The warmer months from June to August reveal a trend towards slightly lower humidity, likely influenced by warmer temperatures and a reduction in precipitation. Following August, humidity levels inch back up, peaking again in the fall and winter months, which consistently hover around 81% to 83%. Overall, Vannes' humidity showcases a seasonal rhythm, with a refreshing breath of drier air during the peak of summer before the return of the characteristic coastal dampness.

August Average Humidity in Vannes

This chart illustrates the average monthly humidity levels in Vannes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%81%82%82%80%77%78%79%82%81%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Vannes

In August, Vannes experiences a UV Index of 8, categorizing the exposure as very high with a burn time of just 15 minutes. This trend highlights the peak of the summer season where sun exposure must be taken seriously, mirroring the high levels seen in July. Notably, the UV Index in August begins to decline as summer wanes, showing a reduction from the intensest months of June and July, both peaking at an Index of 9. However, the emphasis on sun safety remains critical, as even this slight drop still indicates a strong potential for skin damage. As you enjoy the sunny days of late summer, ensure you protect your skin. For more detailed information, visit Vannes UV Index.

Maximum UV Index Levels in Vannes for August

The chart shows the monthly maximum UV Index (UVI) for Vannes 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Vannes 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 Vannes

August in Vannes, France, captures the essence of summer with 399 hours of brilliant sunshine, blending into a vibrant tapestry of warmth and light. This month marks a slight dip from July's peak of 427 hours, yet it remains a favorite for sun-seekers, showcasing a steady trend of increasing sunlight from the depths of winter, where January struggled with merely 144 hours. As the year progresses, each month steadily reveals longer days, culminating in the sun-soaked months of May through August, where the city basks in over 400 hours of radiant sunshine. As summer fades into fall, September continues to offer 335 hours, allowing Vannes to savor lingering sunny days before the gradual decline of daylight in the cooler months.

Monthly Sunshine Duration in Vannes: August Highlighted

The August sunshine duration represents the total number of hours Vannes 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.
JanFebMarAprMayJunJulAugSepOctNovDec144h204h298h356h408h410h427h399h335h277h227h189h
Data source: Vannes August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vannes During August

In Vannes, France, August showcases a compelling likelihood of sunny weather, boasting 43% chance of sunshine. This places it just below the peak summer months of July (44%) and September (45%), indicating a trend of relatively stable sun chances as the summer transitions to fall. Interestingly, while the early months of the year struggle with lower percentages—hovering around 23% to 34%—there’s a noticeable upward trend from March through August. Transitioning from the cool springtime, where April reaches 57%, the summer months maintain a promising outlook, making Vannes a delightful destination for sun seekers in August.

Percentage of Sunny Days in August in Vannes

The chart illustrates the percentage of sunny days in Vannes 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 Vannes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%28%47%57%34%39%44%43%45%42%39%26%
Data source: Vannes August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vannes in August

In August, Vannes basks in approximately 14 hours of daylight, making it one of the sunniest months of the year. This follows a gradual increase from the 8 hours seen in January, peaking in the summer months of June and July, where daylight stretches to a glorious 15 hours. As summer transitions to autumn, daylight begins to wane, yet August retains ample sunshine for outdoor activities and late-night strolls. This trend of increasing daylight leading into the summer months, then gently declining into autumn, highlights the rhythmic seasonal shifts that define the charm of Vannes.

Average Daylight Hours in Vannes for August

The chart illustrates the variation in daylight duration in Vannes throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 15m11h 56m13h 39m15h 8m15h 54m15h 30m14h 10m12h 30m10h 48m9h 16m8h 28m
Data source: Vannes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Vannes

In August, Vannes experiences a gentle breeze with an average wind speed of 4.0 m/s (9 mph), which is slightly below the vibrant gusts of earlier summer months. The wind begins to mellow after June's peak at 3.1 m/s (7 mph), indicating a transition as the year winds down. Interestingly, August's conditions are reminiscent of the cooler months, where the wind speeds hover around 4.0 - 4.2 m/s. This trend highlights a picturesque balance, allowing visitors to enjoy mild summer days while embracing a subtle shift towards autumn, offering the perfect backdrop for leisurely strolls along the coast. As summer fades, the air remains refreshingly dynamic, crafting an inviting atmosphere unique to this charming French locale.

Average August Wind Speed in Vannes

The chart displays monthly wind speed patterns in Vannes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.14.34.15.13.14.24.0 m/s3.64.23.54.9
Data source: Vannes August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Vannes Compares to Other Months

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

August and January showcase stark contrasts in weather patterns. In August, temperatures range from a comfortable minimum of 9°C (48°F) to a sweltering maximum of 34°C (94°F), with an average of 18°C (65°F). The month experiences around 50 mm (2.0 in) of precipitation over 9 days, coupled with a high humidity level of 78%. Conversely, January presents a much colder climate, with temperatures dropping to a minimum of -6°C (21°F) and averaging 7°C (44°F), peaking at only 15°C (59°F). Precipitation remains similar at 49 mm (1.9 in) for the month, but the humidity is slightly higher at 82%. For more details on January's chilly atmosphere, you can refer to Vannes weather in January.

August and February present contrasting weather conditions, showcasing the shift from summer warmth to winter chill. In August, temperatures range from a minimum of 9°C (48°F) to a scorching maximum of 34°C (94°F), with an average of 18°C (65°F). The month also experiences 50 mm (2.0 in) of precipitation over 9 days, and humidity levels sit at a relatively comfortable 78%. In stark contrast, February features much colder temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (67°F), averaging just 8°C (46°F). This winter month sees slightly more precipitation at 70 mm (2.8 in) over 12 days, accompanied by higher humidity at 83%. For those interested in learning more about specific conditions, you can check out Vannes weather in February.

When comparing the weather in August and March, one can observe notable differences. August typically experiences much warmer temperatures, with an average of 18°C (65°F) and a maximum reaching up to 34°C (94°F). In contrast, March is significantly cooler, with an average temperature of 9°C (49°F) and a maximum of 21°C (70°F). Precipitation is slightly higher in March, with 63 mm (2.5 in) over 12 days compared to August’s 50 mm (2.0 in) over 9 days. Additionally, the humidity remains relatively high in both months, with March at 81% and August at 78%. For more details on the specifics of March weather, you can check Vannes weather in March.

In comparing the weather of August and April, it’s clear that August tends to be much warmer, with average temperatures hovering around 18°C (65°F) and maximums reaching up to 34°C (94°F). In contrast, April experiences cooler conditions, with average temperatures at 11°C (53°F) and maximums of only 25°C (78°F). Both months see a similar amount of precipitation, with August receiving 50 mm (2.0 in) over approximately 9 days and April slightly less at 45 mm (1.8 in) over about 8 days. Additionally, August has a humidity level of 78%, while April's humidity is slightly higher at 82%. For more detailed information, you can check out Vannes weather in April.

When comparing the weather in August and May, it's clear that August tends to be warmer with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (94°F), resulting in a comfortable average of 18°C (65°F). In contrast, May experiences cooler conditions with temperatures varying from a minimum of 1°C (34°F) to a maximum of 28°C (83°F) and an average of 14°C (58°F). Precipitation is higher in May, totaling 68 mm (2.7 in) over 12 days, compared to August's 50 mm (2.0 in) over 9 days. Humidity levels are quite similar, with May at 82% and August at 78%. For more detailed insights, check out Vannes weather in May.

When comparing the weather in August and June, August tends to be slightly warmer, with an average temperature of 18°C (65°F) compared to June's 17°C (63°F). Both months experience similar maximum temperatures, reaching 34°C (94°F) in August and 33°C (92°F) in June. However, June receives more precipitation, with 84 mm (3.3 in) spread over 11 days, while August has 50 mm (2.0 in) over 9 days. Humidity levels are also comparable, at 78% in August and 80% in June, making both months feel relatively humid. For a more detailed look at the weather in June, you can check Vannes weather in June.

In comparing the weather between July and August, we see a slight rise in temperature during August, with an average of 18°C (65°F) compared to July's 19°C (66°F). Notably, both months share the same minimum temperature of 9°C (48°F), while August hits a slightly higher maximum temperature of 34°C (94°F) compared to July's 33°C (92°F). Precipitation levels are quite similar, with August receiving 50 mm (2.0 in) over 9 days, while July saw 48 mm (1.9 in) over 8 days. Humidity levels are also quite close, with August at 78% and July at 77%. For more detailed information about July's weather, you can check Vannes weather in July.

August typically presents warmer weather compared to September, with average temperatures reaching 18°C (65°F) and maximums peaking at 34°C (94°F). In contrast, September sees a slight drop in temperatures, averaging 16°C (62°F), with maximums around 31°C (88°F). Precipitation levels are relatively close, with August recording 50 mm (2.0 in) over 9 days, while September experiences 42 mm (1.7 in) across 8 days. Humidity remains fairly consistent, slightly higher in September at 79% compared to August's 78%. For more detailed insights on September weather, you can visit Vannes weather in September.

In August, the weather is generally warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (94°F) and an average of 18°C (65°F). The month sees about 50 mm (2.0 in) of precipitation over roughly 9 days, with humidity levels around 78%. In contrast, October brings cooler temperatures, with a minimum of 1°C (34°F), an average of 13°C (56°F), and a maximum of 23°C (74°F). Precipitation increases to 91 mm (3.6 in) across approximately 12 days, and humidity rises slightly to 82%. For a detailed look at the weather patterns in October, you can check out Vannes weather in October.

In August, the weather is generally warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (94°F) and an average of 18°C (65°F). With about 50 mm (2.0 in) of precipitation over 9 days, the humidity averages 78%. In contrast, November brings cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 18°C (64°F), averaging around 9°C (49°F). This month also sees increased precipitation, totaling 75 mm (3.0 in) over 11 days, and slightly higher humidity at 81%. For more details, check out Vannes weather in November.

In August, Vannes experiences a warm climate with temperatures ranging from a cool 9°C (48°F) to a high of 34°C (94°F), averaging around 18°C (65°F). The month sees relatively low precipitation at 50 mm (2.0 in), with rain falling on about 9 days. Humidity levels are moderately high at 78%, typical for summer.

Conversely, December presents a stark contrast, with temperatures dropping significantly to between -1°C (30°F) and 14°C (58°F), averaging just 8°C (47°F). Precipitation is more pronounced in December, totaling 104 mm (4.1 in) and occurring on approximately 15 days, which contributes to a slightly higher humidity rate of 82%. For more detailed information, check out Vannes weather in December.

Compare Vannes's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Vannes

In August, Vannes experiences a delightful mix of warm temperatures and moderate humidity, setting it apart from the milder spring and the cooler autumn months. With peaks reaching up to 34°C (94°F) and an average of 18°C (65°F), this month offers a vibrant atmosphere perfect for outdoor activities. While summer showers may grace the city, with about 50 mm (2.0 in) of rainfall spread over 9 days, the overall feel is significantly drier compared to the wetter months that precede it. As the season transitions, August stands out as a time of enjoyable warmth and lively energy, making it a perfect opportunity to explore the charm of Vannes. For more detailed climate insights, visit Vannes Climate.