Last updated: February 26, 2025
August in Cologne, Germany showcases a delightful blend of warm temperatures and a hint of summer rainfall. With maximum temperatures reaching up to 37°C (99°F), this month is characterized by an average temperature of 20°C (68°F), allowing for comfortable days and pleasant evenings. However, August also brings some variability, as temperatures can dip to a cool minimum of 7°C (44°F). Rainfall is moderate, with 78 mm (3.1 in) of precipitation spread over approximately 14 days, leading to a humidity level of 71%. This weather pattern not only enhances the vibrant atmosphere of the city but also creates a unique backdrop for both residents and visitors to enjoy.
In August, Koeln experiences a noticeable warmth as summer reaches its peak. The temperatures range from a comfortable minimum of 7°C (44°F) to a maximum of 37°C (99°F), with an inviting average of 20°C (68°F). This month marks a significant departure from the chill of earlier months, showcasing a trend where the city transitions from the frosty depths of winter to the sun-soaked days of late summer. With highs that can push towards the extremes seen in July, August offers a vibrant atmosphere, perfect for outdoor activities, festivals, and enjoying the lush parks that Koeln has to offer. Visitors should be prepared for the warmth while also appreciating the transition to the cooler temperatures that will return in September.
August in Cologne brings an average precipitation of 78 mm (3.1 in), marking a notable shift from the drier months of April and May. With 14 rainy days, it’s evident that summer is still delivering its fair share of showers, yet the amount is less than the peak seen in July, which recorded 97 mm (3.8 in). This trend aligns with the city’s yearly pattern where summer months often feature higher rainfall, particularly when compared to early spring. As we transition into September, precipitation typically decreases, hinting at the approach of autumn and a gradual shift in weather dynamics. Overall, August serves as a reminder of the lushness that frequent rain brings to Cologne’s vibrant landscape.
August in Köln, Germany, marks the tail end of summer, and with it comes a notable drop in humidity levels, settling at 71%. This peak month for warmth reveals a steady decrease from the sultry highs of 91% in January to the more comfortable figures typical in late summer. As the seasons transition, there's a clear trend: from 74% in June to 71% in August, humidity gradually lowers, offering a brief respite before the autumnal increase. This fluctuation continues into September, where humidity rises again to 81%, hinting at the forthcoming chill. Overall, August not only showcases a shift in the weather but also serves as a pivotal point in the humidity cycle, setting the stage for the wetter months ahead.
As summer peaks in Koeln, August showcases a high UV Index of 7, indicating that while the sun's intensity remains significant, it’s a notch below the intense levels of July. This means that during this month, residents and visitors should be cautious, with a burn time of just 25 minutes under direct sunlight. Compared to the earlier months, where the UV Index slowly escalated from a low of 1 in January to a moderate 5 in April, the transition to the very high levels of June and July illustrates a clear trend of increasing sun exposure risk in the summer months. As UV levels begin to taper off in September, August serves as a reminder of the importance of sun protection during this vibrant period. For more information, check out the detailed analysis at Koeln UV Index.
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August in Köln, Germany, shines as a vibrant bridge between the peak summer months and the gentle onset of autumn. With 377 hours of sunshine, it follows a dazzling July, which boasts the year's highest total at 405 hours. This trend showcases the consistency of warm weather, as August continues to bask in abundant sunlight, though slightly diminished. The gradual transition is evident when comparing the sun-drenched days of summer with the crisp beginnings of fall; September's 313 hours marks a notable decline, signaling the shift toward shorter days and cooler temperatures. As summer begins to wane, August remains a cherished time for outdoor activities, capturing the essence of sunny days before the shadows grow longer.
In August, Koeln, Germany, experiences a 33% chance of sunny weather, offering a delightful balance to the peak summer months. This figure reflects a slight increase from the preceding months of July and June, both at 31%. While August enjoys more sun than the winter months, which see chances plummet as low as 9% in January and 13% in December, it still trails behind the sunniest periods typically found in early spring, where March boasts a promising 41%. As summer edges towards fall, the slight uptick in sunshine makes August an appealing time for outdoor activities, though one should remain prepared for the playful variations of German weather.
In August, Koeln, Germany, basks in approximately 14 hours of daylight, highlighting the vibrant peak of summer. This month marks a gradual transition from the sun’s zenith in June, with its impressive 16 hours, to a slightly shorter but still generous span of daylight. As summer wanes, the daylight begins to recede more noticeably, setting the stage for the autumn months ahead. Following the pattern seen throughout the year, August’s longer days facilitate outdoor activities, making it an ideal time for both locals and visitors to enjoy the city’s rich offerings before the shorter days of September, which drop to 12 hours. The steady decline from the summer peak to the autumnal glow underscores the rhythmic beauty of Koeln's seasonal changes.
As August rolls into Köln, the winds begin to shift, bringing a gentle breeze that averages 3.0 m/s (7 mph). This slight uptick from the preceding two months, which saw wind speeds drop to 2.5 m/s (6 mph) in June and 2.7 m/s (6 mph) in July, signifies a return to more lively conditions. Analyzing the pattern, it’s interesting to note that wind speeds tend to fluctuate throughout the year, with the strongest gusts typically occurring in the colder months, peaking in October at 3.8 m/s (8 mph). However, August's moderate winds contribute to a tranquil atmosphere, perfect for enjoying the late-summer outdoors before the autumn chill sets in.
The weather in Koeln 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 Koeln and find detailed weather information for every month.
In August, temperatures in the region can swing from a cool 7°C (44°F) at night to a sweltering high of 37°C (99°F) during the day, averaging around 20°C (68°F). This month also sees about 78 mm (3.1 in) of precipitation over 14 days, accompanied by a notable humidity level of 71%. In contrast, January presents a much chillier picture, with temperatures ranging from a low of -8°C (17°F) to a maximum of 15°C (59°F), averaging just 3°C (38°F). This winter month is wetter, with 91 mm (3.6 in) of precipitation spread across 15 days and a higher humidity of 91%. For a more detailed look at the weather patterns, check out Koeln weather in January.
August and February present contrasting weather conditions. August boasts a much warmer climate, with temperatures ranging from a cool 7°C (44°F) to a scorching 37°C (99°F), and an average temperature of 20°C (68°F). Despite this warmth, it also experiences a fair amount of precipitation, totaling 78 mm (3.1 in) over 14 days, coupled with a relative humidity of 71%. In contrast, February is significantly colder, with temperatures fluctuating between a frigid -9°C (16°F) and a mild 20°C (68°F), and an average of only 5°C (41°F). Although February sees slightly more precipitation at 86 mm (3.4 in) over 13 days, the higher humidity at 90% adds to the cold atmosphere. For a detailed breakdown of February weather, visit Koeln weather in February.
August and March present contrasting weather conditions. In August, temperatures range from a mild 20°C (68°F) to a scorching maximum of 37°C (99°F), with an average of 20°C (68°F) and relatively lower humidity at 71%. In contrast, March experiences much cooler temperatures, with minimums dipping as low as -9°C (16°F) and a maximum of 22°C (72°F), averaging only 7°C (45°F). The month of March also experiences higher humidity at 87% and slightly increased precipitation, with 91 mm (3.6 in) falling over 15 days, compared to August's 78 mm (3.1 in) spread over 14 days. For more detailed information on March weather, visit Koeln weather in March.
When comparing the weather in August and April, there are notable differences in temperature and humidity. August boasts a warm average temperature of 20°C (68°F), with highs soaring up to 37°C (99°F), while April's temperatures are significantly cooler, averaging 10°C (51°F) and peaking at 27°C (81°F). In terms of precipitation, August receives more rainfall with 78 mm (3.1 in) over about 14 days, compared to April's 38 mm (1.5 in) spread across 9 days. Humidity is also higher in April at 84%, compared to August's 71%. For a closer look at April's specific conditions, you can visit Koeln weather in April.
August weather tends to be much warmer than May, with average temperatures reaching 20°C (68°F) compared to May's average of 14°C (57°F). The maximum temperature in August can soar to 37°C (99°F), while May peaks at a milder 33°C (91°F). Precipitation levels are slightly higher in August at 78 mm (3.1 in) over 14 days, compared to May's 66 mm (2.6 in) over 13 days. Additionally, humidity is slightly lower in August at 71%, in contrast to the 77% humidity experienced in May. For more detailed information, you can check Koeln weather in May.
When comparing the weather in August and June, we see notable differences in temperature and precipitation. August experiences slightly warmer temperatures, with average highs reaching 37°C (99°F) compared to June's 35°C (95°F). However, June typically has a marginally higher minimum temperature at 8°C (46°F) versus August's 7°C (44°F). In terms of precipitation, August sees more rainfall, with 78 mm (3.1 in) over 14 days, compared to June’s 60 mm (2.4 in) over 10 days. Humidity levels are also similar, with August at 71% and June a bit higher at 74%. For a more detailed look at June's weather, you can visit Koeln weather in June.
In comparing the weather of August and July, we see some notable differences. August recorded a minimum temperature of 7°C (44°F) and a maximum of 37°C (99°F), with an average temperature that remained steady at 20°C (68°F). In contrast, July had a slightly higher minimum temperature of 8°C (48°F) and a peak of 40°C (104°F), while also sharing the same average temperature of 20°C (68°F).
August experienced 78 mm (3.1 in) of rainfall over 14 days, slightly less than July's 97 mm (3.8 in) across 12 days. Humidity levels were comparable, with August at 71% and July at 72%. Overall, both months had warm averages, but July was marked by more extreme heat and precipitation. For more detailed statistics, visit Koeln weather in July.
August typically boasts warmer temperatures, with a minimum of 7°C and an average high of 37°C, while September cools down, featuring a minimum of 3°C and an average high of 34°C. Both months experience some rainfall, with August seeing 78 mm over 14 days compared to September's 65 mm over 10 days. Additionally, September tends to be slightly more humid at 81%, compared to August's 71%. For more detailed weather information, you can check Koeln weather in September.
August and October present distinctly different weather patterns. In August, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 37°C (99°F), with an average temperature of 20°C (68°F). The month experiences moderate rainfall totaling 78 mm (3.1 in) over 14 days and features a humidity level of 71%. In contrast, October sees a significant drop in temperature, with a minimum of 1°C (34°F) and a maximum of 27°C (80°F), averaging just 12°C (54°F). Rainfall increases slightly to 97 mm (3.8 in) spread over 15 days, and the humidity rises to 88%. These differences highlight the transition from the warmth of summer to the cooler, wetter atmosphere of fall. For those interested in more detailed weather conditions, check out Koeln weather in October.
August presents a much warmer climate compared to November, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 37°C (99°F) and an average of 20°C (68°F). In contrast, November sees cooler temperatures, with a minimum of -4°C (26°F), an average of 7°C (45°F), and a maximum that matches August's average at 20°C (68°F). Although August experiences a higher level of precipitation at 78 mm (3.1 in) over 14 days, November is not far behind with 67 mm (2.6 in) over 13 days, reflecting a notable dampness, particularly due to the increased humidity in November at 91% compared to August's 71%. For more details, check out Koeln weather in November.
In comparing the weather between August and December, a stark contrast is evident. August experiences significantly warmer temperatures, with averages around 20°C (68°F) and maximums reaching up to 37°C (99°F), while December sees much cooler conditions, with an average temperature of just 5°C (41°F) and maximums of 15°C (59°F). Precipitation is also more frequent in December, totaling 127 mm (5.0 in) over 20 days compared to August's 78 mm (3.1 in) across 14 days. Additionally, humidity levels soar in December to 92%, compared to a lower 71% in August, emphasizing the chill of the winter month. For more details on December weather conditions, check out this link: Koeln weather in December.
August in Koeln is a vibrant transition month, marked by warm temperatures that often reach their peak, making it notably hotter than the preceding months. While the average temperature provides a comfortable atmosphere for outdoor activities, residents and visitors should be prepared for the occasional cooler days that remind us that summer is gradually yielding to autumn. The humidity levels can feel quite high, contributing to an often muggy environment, and the 14 days of precipitation serve as a reminder that summer storms can still make an appearance. Overall, August stands out as a blend of heat, humidity, and sporadic rain, setting it apart from the more stable patterns of spring and early summer. For those interested in a deeper dive into Koeln's weather patterns, check out Koeln Climate.