August Weather in Frankfurt am Main, Germany

Last updated: February 26, 2025

August in Frankfurt am Main, Germany, brings a delightful mix of warmth and humidity, with temperatures soaring to a maximum of 36°C (97°F) and settling at an average of 21°C (70°F). While the minimum dips to a comfortable 7°C (45°F) during the cooler nights, residents and visitors can expect a touch of summer's essence with about 53 mm (2.1 in) of precipitation spread across 10 days. With humidity levels at an average of 84%, the month presents a humid yet vibrant atmosphere, perfect for exploring the city's lively outdoor scene amidst occasional summer showers.

August Temperature in Frankfurt am Main

In Frankfurt am Main, August stands out as a month where the summer heat still lingers, with average temperatures hitting a pleasant 21°C (70°F). Early mornings are comfortably mild, with minimums around 7°C (45°F), while the afternoons can still sizzle, reaching up to a sweltering 36°C (97°F) on the hottest days. This month typically bridges the gap between the peak summer warmth of July and the cooler temperatures that start to creep in with September. As the summer draws to a close, residents and visitors alike can enjoy the vibrant outdoor life, knowing that the days may be warm, but the nights remain refreshingly cool. Overall, August reflects a delightful balance between summer’s embrace and the anticipation of autumn's arrival.

August Weather in Frankfurt am Main: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Frankfurt am Main, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373944515868696961534339
Data source: Temperature data for Frankfurt am Main 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 Frankfurt am Main

August in Frankfurt am Main sees a moderate precipitation total of 53 mm (2.1 in), consistent with the city's overall summer patterns. Spanning approximately 10 days of rainfall, the month reflects a slight decrease compared to the wetter month of July, which recorded 56 mm. This trend suggests a transition towards drier conditions as the summer winds down. Notably, the precipitation levels in August are similar to those in February, indicating that late summer can be just as unpredictable as winter in this vibrant city. As autumn approaches, residents can expect a gradual shift in weather, with September bringing even less rainfall at 43 mm, making August a potential last gasp of summer's moderate wetness. Overall, August acts as a bridge, connecting the lush, rainy days of summer with the drier months ahead.

August Precipitation Trends in Frankfurt am Main

The chart displays monthly precipitation patterns in Frankfurt am Main, 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.
JanFebMarAprMayJunJulAugSepOctNovDec615370367173565343574898
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Frankfurt am Main

In Frankfurt am Main, Germany, August experiences a slight uptick in humidity, averaging around 84%. This marks a subtle rise from the drier conditions seen in May, which recorded the lowest humidity at 79%. Following a pattern of gradual increase, humidity levels generally begin to ascend after the summer months, culminating in September’s 85%. Interestingly, the warmer months of June and July also hover in the low 80s, indicating a tendency for humidity to stabilize as the season progresses. Overall, while August may not be the most humid month, it contributes to a broader trend of rising moisture in the air as autumn approaches, setting the stage for the wetter months ahead.

August Average Humidity in Frankfurt am Main

This chart illustrates the average monthly humidity levels in Frankfurt am Main, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Frankfurt am Main

In August, Frankfurt am Main experiences a UV Index of 7, which falls into the high exposure category, with a burn time of around 25 minutes. This marks a slight decrease from the peak UV Index of 8 reached in the summer months of May, June, and July, where the risk of harm from unprotected sun exposure was significantly heightened. As summer progresses into fall, individuals should remain vigilant, particularly in August when the UV intensity is still notable. It's advisable to take protective measures during midday hours to minimize skin damage while enjoying the lingering warmth of the season. For more detailed insights on UV exposure throughout the year, visit Frankfurt am Main UV Index.

Maximum UV Index Levels in Frankfurt am Main for August

The chart shows the monthly maximum UV Index (UVI) for Frankfurt am Main 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.
JanFebMarAprMayJunJulAugSepOctNovDec234588875421
Data source: Frankfurt am Main 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 Frankfurt am Main

As summer reaches its zenith in August, Frankfurt am Main basks in an impressive 383 hours of sunshine, marking a slight dip from the previous month’s 413 hours. This seasonal pattern showcases a consistent rise in daylight from the beginning of the year, peaking in July before tapering off. The warm weather encourages a vibrant outdoor atmosphere, making it an ideal time for locals and visitors alike to enjoy the city's parks and riverside promenades. As summer transitions to fall, August serves as a reminder of the sunshine-filled days that have energized the city, with September still holding onto a commendable 319 hours before the autumn days roll in, bringing cooler temperatures and fewer sunlit hours.

Monthly Sunshine Duration in Frankfurt am Main: August Highlighted

The August sunshine duration represents the total number of hours Frankfurt am Main 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.
JanFebMarAprMayJunJulAugSepOctNovDec107h203h267h345h383h392h413h383h319h247h171h123h
Data source: Frankfurt am Main August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Frankfurt am Main During August

In Frankfurt am Main, August offers a 30% chance of sunny weather, placing it in the middle tier of the year’s sunshine likelihood. After a modest rise in sunshine probability through the spring months, summer's peak in July provides a slight decline, marking a transition as the city gears up for the cooler seasons. Notably, this dip contrasts with the trend observed in September, where the likelihood of sunny days once again increases to 42%. Thus, while August may not boast the highest chances for sunshine, it still fulfills that leisurely summer vibe, inviting residents and visitors alike to savor the outdoors before autumn sets in.

Percentage of Sunny Days in August in Frankfurt am Main

The chart illustrates the percentage of sunny days in Frankfurt am Main 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 Frankfurt am Main experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%33%46%44%31%34%35%30%42%31%17%14%
Data source: Frankfurt am Main August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Frankfurt am Main in August

In Frankfurt am Main, the month of August offers a delightful 14 hours of daylight, marking a gradual transition from the sun-drenched days of summer towards the shorter hours of autumn. This decline follows a peak in June when residents enjoyed an impressive 16 hours of sunlight, showcasing how the city basks in illumination as summer reaches its zenith. As August progresses, daylight begins to wane, yet it still provides ample time for outdoor activities, reminiscent of the vibrant days of May and July, which both boasted 15 hours. The longer days of summer foster a sense of vitality that shifts gently into September's 12 hours of light, signaling the delightful changes in both season and scenery in this picturesque German city.

Average Daylight Hours in Frankfurt am Main for August

The chart illustrates the variation in daylight duration in Frankfurt am Main throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 37m10h 5m11h 55m13h 47m15h 25m16h 15m15h 49m14h 21m12h 33m10h 41m9h 1m8h 9m
Data source: Frankfurt am Main daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Frankfurt am Main

In Frankfurt am Main, the month of August experiences a gentle breeze with an average wind speed of 2.7 m/s (6 mph). This marks a slight decrease from the more blustery months of May and July, where wind speeds peaked at 3.5 m/s and 2.5 m/s respectively. The summer months generally exhibit lower wind speeds, with June recording the softest gusts at 2.2 m/s. Interestingly, despite the overall decline through the summer, August maintains a moderate breeze, consistent with the trends of previous months. As autumn approaches, the wind begins to pick up again, suggesting that the transition into the fall will bring crisper air and invigorating winds to the region. This pattern highlights the calmness of late summer in Frankfurt while hinting at the refreshing changes on the horizon.

Average August Wind Speed in Frankfurt am Main

The chart displays monthly wind speed patterns in Frankfurt am Main, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.13.02.83.52.22.52.7 m/s2.22.92.53.0
Data source: Frankfurt am Main August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Frankfurt am Main Compares to Other Months

The weather in Frankfurt am Main 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 Frankfurt am Main and find detailed weather information for every month.

In August, temperatures in Frankfurt am Main soar, with a minimum of 7°C (45°F) and a maximum reaching up to 36°C (97°F), providing an average of 21°C (70°F). The month experiences moderate rainfall of 53 mm (2.1 in) over approximately 10 days, accompanied by high humidity at 84%. In stark contrast, January brings much colder weather, where temperatures range from a chilly -10°C (13°F) to a milder 13°C (56°F), averaging just 3°C (37°F). With slightly higher precipitation at 61 mm (2.4 in) spread over 13 days and humidity levels peaking at 91%, January presents a much frostier and damp atmosphere. For more details, you can check out Frankfurt am Main weather in January.

August and February present strikingly contrasting weather conditions. In August, temperatures soar with a minimum of 7°C (45°F) and an average of 21°C (70°F), peaking at a scorching 36°C (97°F). The humidity is notably high at 84%, contributing to a warm and often sticky atmosphere. In contrast, February is much colder, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 18°C (65°F) and an average of only 4°C (40°F). The humidity is slightly higher at 89%, but overall, February brings a chill that sharply contrasts with August's warmth. Both months receive similar precipitation, approximately 53 mm (2.1 in), but the experience of the seasons varies greatly. For more details on February weather, visit Frankfurt am Main weather in February.

August and March present contrasting weather patterns, highlighting the transition from summer to late winter. In August, temperatures range from a minimum of 7°C (45°F) to a sweltering maximum of 36°C (97°F), with an average temperature of 21°C (70°F). The month sees about 53 mm (2.1 in) of precipitation over 10 days, with humidity levels averaging 84%. In sharp contrast, March experiences much colder conditions, with minimum temperatures plummeting to -10°C (14°F) and a maximum of 22°C (73°F), leading to an average of only 7°C (44°F). This month also has higher precipitation at 69 mm (2.7 in) spread over 13 days and a humidity level of 87%. For more detailed insights on March weather, you can visit Frankfurt am Main weather in March.

The weather in August contrasts significantly with that of April. In August, temperatures soar with a minimum of 7°C (45°F) and an average of 21°C (70°F), peaking at a hot 36°C (97°F), while April experiences much cooler conditions with a minimum of -4°C (25°F) and an average of just 10°C (51°F), reaching a maximum of 27°C (80°F). Precipitation is also higher in August, with 53 mm (2.1 in) spread over 10 days, compared to April's 36 mm (1.4 in) over 7 days. Despite early spring resembling a cooler climate, both months share similar humidity levels, hovering around 84% in August and 83% in April. For more details, you can check out the link: Frankfurt am Main weather in April.

When comparing the weather in August and May, several notable differences emerge. August experiences significantly warmer temperatures, with averages of 21°C (70°F) compared to May's average of 14°C (58°F). The maximum temperature in August can reach a scorching 36°C (97°F), while May peaks at a more modest 32°C (90°F). Precipitation patterns also differ, as August receives 53 mm (2.1 in) of rain over about 10 days, while May has slightly more rainfall at 71 mm (2.8 in) over 11 days. Additionally, humidity levels are higher in August at 84%, compared to May's 79%. For more detailed information, you can check Frankfurt am Main weather in May.

In June, temperatures range from a minimum of 7°C (45°F) to a maximum of 37°C (99°F), with an average temperature of 20°C (68°F). The month sees around 73 mm (2.9 in) of precipitation across approximately 10 days, with humidity levels at 82%. In contrast, August offers slightly higher average temperatures of 21°C (70°F), with a maximum reaching 36°C (97°F). However, it experiences less rainfall, totaling 53 mm (2.1 in) over the same number of days, and a slight increase in humidity to 84%. Thus, while both months have a similar minimum temperature and number of rainy days, August tends to be a touch warmer and drier than June. For more details, you can check Frankfurt am Main weather in June.

In comparing the weather between August and July, we observe that both months have similar average temperatures, with August averaging 21°C (70°F) and July also at 21°C (70°F). However, July tends to be slightly warmer, with maximum temperatures reaching up to 40°C (104°F), compared to August's maximum of 36°C (97°F). Precipitation levels are quite close, with July receiving 56 mm (2.2 in) over 9 days, while August sees 53 mm (2.1 in) over 10 days, showing a marginally wetter trend in August. Humidity levels are relatively consistent, hovering around 84% in August and 83% in July. For more details, you can check the Frankfurt am Main weather in July.

August typically experiences warmer temperatures, with a minimum of 7°C (45°F) and an average high reaching up to 36°C (97°F), making it the hotter month. In contrast, September sees cooler temperatures, with a minimum of 3°C (38°F) and an average high of 33°C (92°F). While August has a higher average temperature of 21°C (70°F) and greater precipitation at 53 mm (2.1 in) over approximately 10 days, September is slightly drier with 43 mm (1.7 in) of rain over just 6 days. The humidity remains relatively high in both months, with August at 84% and September slightly higher at 85%. For more detailed insights on the weather during this transition, check out Frankfurt am Main weather in September.

In August, the weather is considerably warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 36°C (97°F), and an average of 21°C (70°F). The month sees about 53 mm (2.1 in) of precipitation over approximately 10 days, with humidity levels soaring to 84%. In contrast, October experiences much cooler temperatures, with a minimum of 1°C (33°F), an average of 12°C (53°F), and a maximum of 27°C (81°F). Precipitation slightly increases to 57 mm (2.2 in) over 12 days, and humidity rises to 88%. For more details about October weather specifics in Frankfurt, visit Frankfurt am Main weather in October.

August and November present stark contrasts in weather patterns. In August, temperatures range from a mild 7°C (45°F) at night to a sweltering maximum of 36°C (97°F) during the day, with an average temperature of 21°C (70°F). The month sees a moderate amount of precipitation at 53 mm (2.1 in) over about 10 days, accompanied by high humidity levels of 84%. In contrast, November brings a cooler climate, where temperatures drop significantly, with a minimum of -4°C (26°F), an average of 6°C (43°F), and a maximum reaching only 21°C (70°F). Precipitation is slightly lower at 48 mm (1.9 in) over the same number of days, while humidity increases to 89%. For more detailed insights, you can visit Frankfurt am Main weather in November.

August and December present stark contrasts in weather. In August, temperatures range from a pleasant 7°C (45°F) at night to a scorching 36°C (97°F) during the day, with an average of 21°C (70°F). The month sees about 53 mm (2.1 in) of precipitation over 10 days and features high humidity at 84%, making the air feel warm and sometimes muggy.

In contrast, December is much colder, with temperatures dipping to a minimum of -6°C (21°F) and only reaching a maximum of 15°C (59°F), averaging just 4°C (40°F). The month is wetter, with 98 mm (3.9 in) of precipitation spread over 17 days, and humidity rises to 91%, contributing to a chilly and damp atmosphere. For more insights, you can check Frankfurt am Main weather in December.

Compare Frankfurt am Main's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Frankfurt am Main

August in Frankfurt am Main presents a unique blend of warmth and humidity, setting it apart from the cooler months of the year. With the potential for high temperatures reaching 36°C (97°F), this month often feels like a warm embrace before autumn's arrival. While the average temperature remains comfortable at around 21°C (70°F), the 84% humidity can sometimes make it feel warmer. August also experiences a moderate amount of rainfall, with about 53 mm (2.1 in) falling over approximately 10 days, adding a refreshing contrast to the summer heat. For those interested in the broader climate patterns, you can explore more at Frankfurt am Main Climate.